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¯ ï ( ¯ | O W c w€¦ · AD620 Rev. G | Page 3 of 20 0 @ í 25°C VS = ±15 V RL = 2 kΩ I ¦...
20
ADI ADI ADI AD620 Rev. G Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved. –IN R G –V S +IN R G +V S OUTPUT REF 1 2 3 4 8 7 6 5 AD620 TOP VIEW 00775-0-001 1. 8 PDIP (N) CERDIP (Q) SOIC (R) 0 5 10 15 20 30,000 5,000 10,000 15,000 20,000 25,000 0 TOTAL ERROR, PPM OF FULL SCALE SUPPLY CURRENT (mA) AD620A R G 3 OP AMP IN-AMP (3 OP-07s) 00775-0-002 2. AD620 SOURCE RESISTANCE (Ω) 100M 10k 1k 10M 1M 100k 10,000 0.1 100 1,000 10 1 RTI VOLTAGE NOISE (0.1 – 10Hz) (μV p-p) TYPICAL STANDARD BIPOLAR INPUT IN-AMP AD620 SUPERβETA BIPOLAR INPUT IN-AMP G = 100 00775-0-003 3. : 1 10,000 ±2.3 V ±18 V 3 8 DIP SOIC , 1.3 mA B : 50 μV( ) : 0.6 μV/°C( ) : 1.0 nA( ) : 100 dB( ,G = 10) : 9 nV/√Hz (1 kHz) 0.28 μV 0.1 Hz 10 Hz : 120 kHz(G = 100) 0.01% : 15 μs ECG AD620 1 10,000 AD620 8 SOIC DIP 1.3 mA AD620 40 ppm 50 μV 0.6 μV/°C AD620 ECG Superβeta 1.0 nA AD620 1 kHz 9 nV/√Hz 0.1 Hz 10 Hz 0.28 μV 0.1pA/√Hz AD620 0.01% 15 μs
Transcript of ¯ ï ( ¯ | O W c w€¦ · AD620 Rev. G | Page 3 of 20 0 @ í 25°C VS = ±15 V RL = 2 kΩ I ¦...
ADI ADI ADI
AD620
Rev. G Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 www.analog.com
Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved.
–IN
RG
–VS
+IN
RG
+VS
OUTPUT
REF
1
2
3
4
8
7
6
5AD620
TOP VIEW 0077
5-0-
001
1. 8 PDIP (N) CERDIP (Q) SOIC (R)
0 5 10 15 20
30,000
5,000
10,000
15,000
20,000
25,000
0
TO
TA
L E
RR
OR
, PP
M O
F F
UL
L S
CA
LE
SUPPLY CURRENT (mA)
AD620A
RG
3 OP AMP IN-AMP(3 OP-07s)
0077
5-0-
002
2. AD620
SOURCE RESISTANCE (Ω)100M10k1k 10M1M100k
10,000
0.1
100
1,000
10
1
RT
I VO
LT
AG
E N
OIS
E(0
.1–
10H
z) (μ
V p
-p)
TYPICAL STANDARDBIPOLAR INPUTIN-AMP
AD620 SUPERβETABIPOLAR INPUTIN-AMP
G = 100
0077
5-0-
003
3.
: 1 10,000
±2.3 V ±18 V
3
8 DIP SOIC
, 1.3 mA
B
: 50 μV( )
: 0.6 μV/°C( )
: 1.0 nA( )
: 100 dB( ,G = 10)
: 9 nV/√Hz (1 kHz)
0.28 μV 0.1 Hz 10 Hz
: 120 kHz(G = 100)
0.01% : 15 μs
ECG
AD6201 10,000 AD620
8 SOIC DIP1.3 mA
AD620 40 ppm50 μV 0.6 μV/°C
AD620
ECG
Superβeta 1.0 nA AD620 1 kHz 9 nV/√Hz
0.1 Hz 10 Hz 0.28 μV0.1pA/√Hz
AD620 0.01%15 μs
AD620
Rev. G | Page 2 of 20
2004 12 — F G 2003 7 —“ ” E F
........................................................................................... 3
.............................................................................. 5
ESD ................................................................................... 5
.................................................................................. 7
......................................................................................... 13
................................................................................ 16
.......................................................... 16
................................................................................ 16
....................................................................................
“ ” .............................................................................. 1
“ ” ...................................................................... 1
“ ” ...................................................................... 3
.............................................................................. 4
4 6 .................................................................................. 6
15 ........................................................................................... 7
33 ......................................................................................... 10
34 35 ............................................................................ 10
37 ......................................................................................... 10
3 ........................................................................................... 13
41 42 ............................................................................ 14
43 ......................................................................................... 15
44 ......................................................................................... 17
“ ” .................................................................... 15
9 ........................................................................................... 15
“ RF ” ............................................................ 15
“ ” .................................................. 17
“ ” AD620CHIPS ........................................... 19
“ ” .............................................................................. 1
“ ” ...................................................................... 2
“ ” AD620CHIPS ............................................. 4
.............................................................................. 4
TPC 1–3 .................................................................................... 5
TPC 12 ...................................................................................... 6
TPC 30 ...................................................................................... 9
TPC 31 TPC 32 ................................................................... 10
4 ........................................................................................... 10
I ............................................................................................ 11
6 7 ................................................................................ 12
8 ........................................................................................... 13
“ ” .................................................................... 13
9 ........................................................................................... 13
“RF ” ....................................................................... 14
“ ” .................................................. 15
“ ” .................................................................... 16
................................................................................ 16
(RF) ........................................................................ 16
................................................................................ 17
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AD620
Rev. G | Page 3 of 20
25°C VS = ±15 V RL = 2 kΩ1
AD620A AD620B AD620S1
G = 1 + (49.4 kΩ/RG) 1 10,000 1 10,000 1 10,000
2 VOUT = ±10 V G = 1 0.03 0.10 0.01 0.02 0.03 0.10 % G = 10 0.15 0.30 0.10 0.15 0.15 0.30 % G = 100 0.15 0.30 0.10 0.15 0.15 0.30 % G = 1000 0.40 0.70 0.35 0.50 0.40 0.70 %
VOUT = −10 V +10 V G = 1–1000 RL = 10 kΩ 10 40 10 40 10 40 ppm G = 1–100 RL = 2 kΩ 10 95 10 95 10 95 ppm
G = 1 10 10 10 ppm/°C >12 −50 −50 −50 ppm/°C
( = VOSI + VOSO/G)VOSI VS = ±5 V
± 15 V 30 125 15 50 30 125 μV
VS = ±5 V ± 15 V
185 85 225 μV
(TC) VS = ±5 V ± 15 V
0.3 1.0 0.1 0.6 0.3 1.0 μV/°C
VOSO VS = ±15 V 400 1000 200 500 400 1000 μV V S = ± 5 V 1500 750 1500 μV VS = ±5 V
± 15 V 2000 1000 2000 μV
(TC) VS = ±5 V ± 15 V
5.0 15 2.5 7.0 5.0 15 μV/°C
(PSR) VS = ±2.3 V
±18 V
G = 1 80 100 80 100 80 100 dB G = 10 95 120 100 120 95 120 dB G = 100 110 140 120 140 110 140 dB G = 1000 110 140 120 140 110 140 dB
0.5 2.0 0.5 1.0 0.5 2 nA 2.5 1.5 4 nA
(TC) 3.0 3.0 8.0 pA/°C 0.3 1.0 0.3 0.5 0.3 1.0 nA 1.5 0.75 2.0 nA
(TC) 1.5 1.5 8.0 pA/°C
10||2 10||2 10||2 GΩ_pF 10||2 10||2 10||2 GΩ_pF
3 VS = ±2.3 V ±5 V
−VS + 1.9 +VS − 1.2 −VS + 1.9 +VS − 1.2 −VS + 1.9 +VS − 1.2 V
−VS + 2.1 +VS − 1.3 −VS + 2.1 +VS − 1.3 −VS + 2.1 +VS − 1.3 V V S = ± 5 V
±18 V −VS + 1.9 +VS − 1.4 −VS + 1.9 +VS − 1.4 −VS + 1.9 +VS − 1.4 V
−VS + 2.1 +VS − 1.4 −VS + 2.1 +VS + 2.1 −VS + 2.3 +VS − 1.4 V
AD620
Rev. G | Page 4 of 20
AD620A AD620B AD620S1
DC 60 Hz 1 kΩ VCM = 0 V ± 10 V
G = 1 73 90 80 90 73 90 dB G = 10 93 110 100 110 93 110 dB G = 100 110 130 120 130 110 130 dB G = 1000 110 130 120 130 110 130 dB
RL = 10 kΩ V S = ±2.3 V
± 5 V −VS + 1.1
+VS − 1.2 −VS + 1.1 +VS − 1.2 −VS + 1.1 +VS − 1.2 V
−VS + 1.4 +VS − 1.3 −VS + 1.4 +VS − 1.3 −VS + 1.6 +VS − 1.3 V VS = ±5 V
± 18 V −VS + 1.2 +VS − 1.4 −VS + 1.2 +VS − 1.4 −VS + 1.2 +VS − 1.4 V
−VS + 1.6 +VS – 1.5 −VS + 1.6 +VS – 1.5 –VS + 2.3 +VS – 1.5 V ±18 ±18 ±18 mA
-3 dB G = 1 1000 1000 1000 kHz G = 10 800 800 800 kHz G = 100 120 120 120 kHz G = 1000 12 12 12 kHz
0.75 1.2 0.75 1.2 0.75 1.2 V/μs 0.01% 10 V
G = 1–100 15 15 15 μs G = 1000 150 150 150 μs
1 kHz 2 2 )/()( Gee= noni +
eni 9 13 9 13 9 13 nV/√Hz eno 72 100 72 100 72 100 nV/√Hz
RTI 0.1 Hz 10 Hz G = 1 3.0 3.0 6.0 3.0 6.0 μV p-p G = 10 0.55 0.55 0.8 0.55 0.8 μV p-p G = 100–1000 0.28 0.28 0.4 0.28 0.4 μV p-p
f = 1 kHz 100 100 100 fA/√Hz 0.1 Hz 10 Hz 10 10 10 pA p-p
RIN 20 20 20 kΩ IIN VIN+, VREF = 0 50 60 50 60 50 60 μA
−VS + 1.6 +VS − 1.6 −VS + 1.6 +VS − 1.6 −VS + 1.6 +VS − 1.6 V 1 ± 0.0001 1 ± 0.0001 1 ± 0.0001
4 ±2.3 ±18 ±2.3 ±18 ±2.3 ±18 V
VS = ±2.3 V ±18 V
0.9 1.3 0.9 1.3 0.9 1.3 mA
1.1 1.6 1.1 1.6 1.1 1.6 mA -40 +85 -40 +85 -55 +125 °C
1 883B ADI2 RG3 G = 14 PSR
AD620
Rev. G | Page 5 of 20
2
±18 V 1 650 mW ( ) ±VS
25 V
(Q) −65°C +150°C (N, R) −65°C +125°C
AD620 (A, B) −40°C +85°C AD620 (S) −55°C +125°C
(10 ) 300°C
1
8 θJA = 95°C8 CERDIP θJA = 110°C8 SOIC θJA = 155°C
ESD
ESD( 4000 VESD
ESD
AD620
Rev. G | Page 6 of 20
0077
5-0-
004
4.
AD620
Rev. G | Page 7 of 20
(25°C VS = ±15 V RL = 2 kΩ , )
INPUT OFFSET VOLTAGE (μV)
20
30
40
50
–40 0 40 80
PE
RC
EN
TA
GE
OF
UN
ITS
–80
SAMPLE SIZE = 360
10
000
775-
0-00
5
5.
INPUT BIAS CURRENT (pA)
0
10
20
30
40
50
–600 0 600
PE
RC
EN
TA
GE
OF
UN
ITS
–1200 1200
SAMPLE SIZE = 850
0077
5-0-
006
6.
10
20
30
40
50
–200 0 200 400
INPUT OFFSET CURRENT (pA)
PE
RC
EN
TA
GE
OF
UN
ITS
–4000
SAMPLE SIZE = 850
0077
5-0-
007
7.
TEMPERATURE (°C)
INP
UT
BIA
S C
UR
RE
NT
(n
A)
+IB–IB
2.0
–2.0175
–1.0
–1.5
–75
–0.5
0
0.5
1.0
1.5
1257525–25
0077
5-0-
008
8.
CH
AN
GE
IN O
FF
SE
T V
OL
TA
GE
(μV
)1.5
0.5
WARM-UP TIME (Minutes)
2.0
00 1
1.0
432 5
0077
5-0-
009
9.
FREQUENCY (Hz)
1000
11 100k
100
10
10k1k100
VO
LT
AG
E N
OIS
E (
nV
/ H
z)
GAIN = 1
GAIN = 10
10
GAIN = 100, 1,000GAIN = 1000BW LIMIT
0077
5-0-
010
10. (G = 1−1000)
AD620
Rev. G | Page 8 of 20
FREQUENCY (Hz)
1000
100
101 10 1000100
CU
RR
EN
T N
OIS
E (
fA/
Hz)
0077
5-0-
011
11.
RT
I NO
ISE
(2.
0μV
/DIV
)
TIME (1 SEC/DIV) 0077
5-0-
012
12. 0.1 Hz 10 Hz RTI (G = 1)
RT
I NO
ISE
(0.
1μV
/DIV
)
TIME (1 SEC/DIV) 0077
5-0-
013
13. 0.1 Hz 10 Hz RTI (G = 1000)
0077
5-0-
014
14. 0.1 Hz 10 Hz (5 pA/ )
100
1000
AD620A
FET INPUTIN-AMP
SOURCE RESISTANCE (Ω)
TO
TA
L D
RIF
T F
RO
M 2
5°C
TO
85°
C, R
TI (μV
)
100,000
101k 10M
10,000
10k 1M100k
0077
5-0-
015
15.
FREQUENCY (Hz)
CM
R (
dB
)
160
01M
80
40
1
60
0.1
140
100
120
100k10k1k10010
G = 1000
G = 100
G = 10
G = 1
20
0077
5-0-
016
16. CMR (RTI 1 kΩ )
AD620
Rev. G | Page 9 of 20
FREQUENCY (Hz)
PS
R (
dB
)
160
1M
80
40
1
60
0.1
140
100
120
100k10k1k1001020
G = 1000
G = 100
G = 10
G = 1
180
0077
5-0-
017
17. PSR (RTI G = 1−1000)
FREQUENCY (Hz)
PS
R (
dB
)
160
1M
80
40
1
60
0.1
140
100
120
100k10k1k1001020
180
G = 10
G = 100
G = 1
G = 1000
0077
5-0-
018
18. PSR (RTI G = 1−1000)
1000
100 10M
100
1
1k
10
100k 1M10k FREQUENCY (Hz)
GA
IN (
V/V
)
0.1
0077
5-0-
019
19.
OU
TP
UT
VO
LT
AG
E (
V p
-p)
FREQUENCY (Hz)
35
01M
15
5
10k
10
1k
30
20
25
100k
G = 10, 100, 1000
G = 1
G = 1000 G = 100
BW
LIM
IT
0077
5-0-
020
20.
INP
UT
VO
LT
AG
E L
IMIT
(V
)(R
EF
ER
RE
D T
O S
UP
PL
Y V
OL
TA
GE
S)
20
+1.0
+0.5
50
+1.5
–1.5
–1.0
–0.5
1510SUPPLY VOLTAGE ± Volts
+VS –0.0
–VS +0.0
0077
5-0-
021
21. (G = 1)
20
+1.0
+0.5
50
+1.5
–1.5
–1.0
–0.5
1510SUPPLY VOLTAGE ± Volts
RL = 10kΩ
RL = 2kΩ
RL = 10kΩ
OU
TP
UT
VO
LT
AG
E S
WIN
G (
V)
(RE
FE
RR
ED
TO
SU
PP
LY
VO
LT
AG
ES
)
RL = 2kΩ
+VS
–VS
0077
5-0-
022
–0.0
+0.0
22. (G = 10)
Rev. G | Page 10 of 20
OU
TP
UT
VO
LT
AG
E S
WIN
G (
V p
-p)
LOAD RESISTANCE (Ω)
30
00 10k
20
10
100 1k
VS = ±15VG = 10
0077
5-0-
023
23.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0077
5-0-
024
24. (G = 1 0.5 mV = 0.01%)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0077
5-0-
025
25. (G = 1 RL = 2 kΩ CL = 100 pF)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0077
5-0-
026
26. (G = 10 0.5 mV = 0.01%)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0077
5-0-
027
27. (G = 10 RL = 2 kΩ CL = 100 pF)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0077
5-0-
030
28. (G = 100 0.5 mV = 0.01%)
AD620
Rev. G | Page 11 of 20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0077
5-0-
029
29. (G = 100 RL = 2 kΩ CL = 100 pF)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0077
5-0-
030
30. (G = 1000 0.5 mV = 0.01%)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0077
5-0-
031
31. (G = 1000 RL= 2 kΩ CL = 100 pF)
OUTPUT STEP SIZE (V)
SE
TT
LIN
G T
IME
(μs
) TO 0.01%
TO 0.1%
20
020
15
5
5
10
10 015
0077
5-0-
032
32. (G = 1)
GAIN
SE
TT
LIN
G T
IME
(μs)
1000
11 1000
100
10
10 100
0077
5-0-
033
33. 0.01% ( 10 V)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0077
5-0-
034
34. (G = 1 RL = 10 kΩ 10 μV = 1 ppm)
AD620
Rev. G | Page 12 of 20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0077
5-0-
035
35. (G = 100 RL = 10 kΩ 100 μV = 10 ppm)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0077
5-0-
036
36. (G = 1000 RL = 10 kΩ 1 mV = 100 ppm)
AD620
VOUT
G = 1G = 1000
49.9Ω
10kΩ *1kΩ10T 10kΩ
499Ω
G = 10G = 100
5.49kΩ
+VS
11kΩ 1kΩ 100Ω
100kΩ
INPUT10V p-p
–VS
*ALL RESISTORS 1% TOLERANCE
71
2
3
8
6
4
5
0077
5-0-
037
37.
AD620
Rev. G | Page 13 of 20
VB
–VS
A1 A2
A3
C2
RG
R1 R2
GAINSENSE
GAINSENSE
R3400Ω
10kΩ
10kΩ
I2I1
10kΩREF
10kΩ
+IN– IN
20μA 20μA
R4400Ω
OUTPUT
C1
Q2Q1
0077
5-0-
038
38. AD620
14.49
+Ω
=GRk
G
14.49−Ω
=G
kRG
:
AD620
(G = 100 0.15%)
AD620 “ ”10
39 100 −40°C+85°C 20 mV
3
Q1 Q2 (38) Superϐeta10 Q1-A1-R1 Q2-A2-R2 Q1 Q2
RG A1/A2G = (R1 + R2)/RG + 1
A3 REF
RG RG
(a)(b) ( C1 C2
)(c) 9 nV/√Hz
R1 R2 24.7 kΩ
AD620
Rev. G | Page 14 of 20
R = 350Ω
10V
PRECISION BRIDGE TRANSDUCER
R = 350Ω R = 350Ω
R = 350Ω
0077
5-0-
039
AD620A MONOLITHICINSTRUMENTATIONAMPLIFIER, G = 100
SUPPLY CURRENT = 1.3mA MAX
AD620ARG
499Ω
REFERENCE
0077
5-0-
040
39.
"HOMEBREW" IN-AMP, G = 100 *0.02% RESISTOR MATCH, 3ppm/°C TRACKING**DISCRETE 1% RESISTOR, 100ppm/°C TRACKING SUPPLY CURRENT = 15mA MAX
100Ω**
10kΩ *
10kΩ**
10kΩ*
10kΩ*
10kΩ**
10kΩ*
OP07D
OP07D
OP07D
0077
5-0-
041
3.
ppm
AD620 “ ” AD620
(TA = 25°C) μV 125 μV/20 mV (150 μV × √2)/20 mV 6,250 10,607 μV 1000 μV/100 mV/20 mV ((150 μV × 2)/100)/20 mV 500 150 nA 2 nA ×350 Ω/20 mV (6 nA ×350 Ω)/20 mV 18 53
CMR, dB 110 dB(3.16 ppm) ×5 V/20 mV (0.02% Match × 5 V)/20 mV/100 791 500
7,559 11,310 85°C
ppm/°C (50 ppm + 10 ppm) ×60°C 100 ppm/°C Track × 60°C 3,600 6,000 μV/°C 1 μV/°C × 60°C/20 mV (2.5 μV/°C × √2 × 60°C)/20 mV 3,000 10,607 μV/°C 15 μV/°C × 60°C/100 mV/20 mV (2.5 μV/°C × 2 × 60°C)/100 mV/20 mV 450 150
7,050 16,757
ppm 40 ppm 40 ppm 40 40
0.1 Hz 10 Hz( μV
28 μV p-p/20 mV (0.38 μV p-p × √2)/20 mV 14 27 54 67 14,663 28,134 G = 100, VS = ±15 V. ( / )
AD620
/
14
OP07√2
AD620
Rev. G | Page 15 of 20
3kΩ
5V
DIGITALDATAOUTPUT
ADC
REF
IN
AGND
20kΩ
10kΩ
20kΩ
AD620BG = 100
1.7mA 0.10mA0.6mAMAX
499Ω
3kΩ
3kΩ3kΩ
2
1
8
37
6
5
4
1.3mAMAX
AD705
0077
5-0-
042
40. 5 V
ECG
G = 7
AD620A0.03HzHIGH-PASS
FILTER
OUTPUT1V/mV
+3V
–3V
RG8.25kΩ
24.9kΩ
24.9kΩ
AD705J
G = 143C1
1MΩR4
10kΩR1 R3
R2
OUTPUTAMPLIFIER
PATIENT/CIRCUITPROTECTION/ISOLATION
0077
5-0-
043
41. ECG
AD620
40 3 kΩ 5 V1.7 mA AD620
3.8 mA
AD620
AD6201 MΩ ECG 41 AD620
8 DIPSOIC
AD620
C1
AD620
Rev. G | Page 16 of 20
V-I
AD620RG
–VS
VIN+
VIN–
LOAD
R1
IL
VxI =L R1
=IN+[(V ) – (V )] GIN–
R1
6
5
+ V –X
42
1
8
3 7
+VS
AD70500
775-
0-04
4
42. ( 1.8 mA ±3 V)
14.49−Ω
=G
kRG
4.
1%
RG (Ω)
0.1%
RG (Ω)
49.9 k 1.990 49.3 k 2.002 12.4 k 4.984 12.4 k 4.984 5.49 k 9.998 5.49 k 9.998 2.61 k 19.93 2.61 k 19.93 1.00 k 50.40 1.01 k 49.91 499 100.0 499 100.0 249 199.4 249 199.4 100 495.0 98.8 501.0 49.9 991.0 49.3 1,003.0
AD62042
(CMR) AD620VX R1
AD620 RG
1 8 AD6200.1% 1% 4
RG G = 1 RG (RG = ∞)RG
RG
RG TC 10 ppm/°C )2(2
1
CDDIFF CCR
FilterFreq+π
=
CCM RC
FilterFreqπ
=2
1
AD620G
VOS
2 V (CMR)
AD620 400 Ω±15 V ±60 mA
6 mA (IIN ≤ VIN/400 Ω)FD333
RF
R-C 43
CD ≥10CC
CD CC R × CC
AD620 CMRRCMRR- CC CD
CD:CC CC
(RTO) =( × G)+
(RTI) = + ( /G)
AD620
Rev. G | Page 17 of 20
499Ω AD620
+
–
VOUT
R
R
CC
CD
CC +IN
–IN REF
–15V
0.1μF 1 μF0
+15V
0.1μF 1 μF0
0077
5-0-
045
43. RF
REFERENCE
VOUTAD620
100Ω
100Ω
– INPUT
+ INPUT
AD648
RG
–VS
+VS
–VS
0077
5-0-
046
44.
100Ω
– INPUT
+ INPUT
REFERENCE
VOUTAD620
–VS
+VS
2RG
2RG
AD548
0077
5-0-
047
45.
DIGITAL P.S.+5VC
ANALOG P.S.+15V C –15V
AD574ADIGITALDATAOUTPUT
+
1μF
AD620
0.1μF
AD585S/H ADC
0.1μF1μF 1μF
0077
5-0-
048
46.
(CMR)AD620
CMR
CMR
CMR44 45
“ ”(bootstrapping)
AD620REF “ ”
46PC
ADC46
AD620
Rev. G | Page 18 of 20
VOUTAD620
– INPUT
RG
TO POWERSUPPLY
GROUND
REFERENCE+ INPUT
+VS
–VS
LOAD00
775-
0-04
9
47.
VOUT
– INPUT
+ INPUT
RG
LOAD
TO POWERSUPPLY
GROUND
REFERENCE
+VS
–VS
AD620
0077
5-0-
050
48.
100kΩ
VOUTAD620
– INPUT
+ INPUT
RG
LOAD
TO POWERSUPPLY
GROUND
REFERENCE
100kΩ –VS
+VS
0077
5-0-
051
49.
“ ”47 48 49
“ ”ADI
AD620
Rev. G | Page 19 of 20
COMPLIANT TO JEDEC STANDARDS MS-001-BA
0.022 (0.56)0.018 (0.46)0.014 (0.36)
SEATINGPLANE
0.015(0.38)MIN
0.210(5.33)MAX
PIN 1
0.150 (3.81)0.130 (3.30)0.115 (2.92)
0.070 (1.78)0.060 (1.52)0.045 (1.14)
8
1 4
5 0.280 (7.11)0.250 (6.35)0.240 (6.10)
0.100 (2.54)BSC
0.400 (10.16)0.365 (9.27)0.355 (9.02)
0.060 (1.52)MAX
0.430 (10.92)MAX
0.014 (0.36)0.010 (0.25)0.008 (0.20)
0.325 (8.26)0.310 (7.87)0.300 (7.62)
0.195 (4.95)0.130 (3.30)0.115 (2.92)
0.015 (0.38)GAUGEPLANE
0.005 (0.13)MIN
CONTROLLING DIMENSIONS ARE IN INCHES; MILLIMETER DIMENSIONS(IN PARENTHESES) ARE ROUNDED-OFF INCH EQUIVALENTS FORREFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN.CORNER LEADS MAY BE CONFIGURED AS WHOLE OR HALF LEADS.
50. 8 [PDIP]
(N-8)
CONTROLLING DIMENSIONS ARE IN INCHES; MILLIMETER DIMENSIONS(IN PARENTHESES) ARE ROUNDED-OFF INCH EQUIVALENTS FORREFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN
1 4
8 5
0.310 (7.87)0.220 (5.59)PIN 1
0.005 (0.13)MIN
0.055 (1.40)MAX
0.100 (2.54) BSC
15° 0°
0.320 (8.13)0.290 (7.37)
0.015 (0.38)0.008 (0.20)
SEATINGPLANE
0.200 (5.08)MAX
0.405 (10.29) MAX
0.150 (3.81)MIN
0.200 (5.08)0.125 (3.18)
0.023 (0.58)0.014 (0.36)
0.070 (1.78)0.030 (0.76)
0.060 (1.52)0.015 (0.38)
51. 8 [CERDIP] (Q-8)( )
0.25 (0.0098)0.17 (0.0067)
1.27 (0.0500)0.40 (0.0157)
0.50 (0.0196)0.25 (0.0099)
× 45°
8°0°
1.75 (0.0688)1.35 (0.0532)
SEATINGPLANE
0.25 (0.0098)0.10 (0.0040)
41
8 5
5.00 (0.1968)4.80 (0.1890)
4.00 (0.1574)3.80 (0.1497)
1.27 (0.0500)BSC
6.20 (0.2440)5.80 (0.2284)
0.51 (0.0201)0.31 (0.0122)COPLANARITY
0.10
CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS(IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FORREFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN
COMPLIANT TO JEDEC STANDARDS MS-012AA
52. 8 [SOIC]
(R-8)( )
AD620
Rev. G | Page 20 of 20
1
AD620AN −40°C +85°C N-8 AD620ANZ2 −40°C +85°C N-8 AD620BN −40°C +85°C N-8 AD620BNZ2 −40°C +85°C N-8 AD620AR −40°C +85°C R-8 AD620ARZ2 −40°C +85°C R-8 AD620AR-REEL −40°C +85°C 13"AD620ARZ-REEL2 −40°C +85°C 13"AD620AR-REEL7 −40°C +85°C 7"AD620ARZ-REEL72 −40°C +85°C 7"AD620BR −40°C +85°C R-8 AD620BRZ2 −40°C +85°C R-8 AD620BR-REEL −40°C +85°C 13"AD620BRZ-RL2 −40°C +85°C 13"AD620BR-REEL7 −40°C +85°C 7"AD620BRZ-R72 −40°C +85°C 7"AD620ACHIPS −40°C +85°C AD620SQ/883B −55°C +125°C Q-8
1 N = DIP Q = CERDIP R = SOIC2 Z =
© 2004 Analog Devices, Inc. All rights reserved. Trademarks
and registered trademarks are the property of their respective owners.
C00775–0–12/04(G)
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