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ADIዐ࿔Ӳຕ֩ᆈ࿔Ӳຕ֩ڦᅳ࿔Lj൩ଌᅳዐీ٪ሞڦᇕჾፇኯᅳٱဃLjADIփܔᅳዐ٪ሞڦֶᅴᆯׂُิڦٱဃሴăසႴඓණඪࢆَᇕڦጚඓႠLj൩֖ADI
༵ࠃڦፌႎᆈ࿔Ӳຕ֩ă
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.
Specications 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.
থ
–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. 8ᆅগPDIP (N)ĂCERDIP (Q)ࢅSOIC (R)ހጎ
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. ෙሏݣݴ૬ᅏݣٷഗยᇑAD620Բড
SOURCE RESISTANCE (
Ω
)
100M10k1k 10M1M100k
10,000
0.1
100
1,000
10
1
RTI VOLTAGE NOISE
(0.1 – 10Hz) (
μ
V p-p)
TYPICAL STANDARD
BIPOLAR INPUT
IN-AMP
AD620 SUPER
β
ETA
BIPOLAR INPUT
IN-AMP
G = 100
00775-0-003
3. ጺۉუሯำᇑ႑ࡽᇸۉፆڦ࠲ဣ
༬Ⴀ
ᅟᇀ๑ᆩ
! ሺᅮཚࡗᅃ߲ྔևۉፆยዃ
! ! )ሺᅮݔྷ: 110,000*
! ۉᇸۉუݔྷ)±2.3 V±18 V*
! Ⴀీߛᇀ3ሏݣݴ૬ᅏݣٷഗย
!֑ᆩ8ᆅগDIPࢅSOICހጎ
! گࠀࡼ,ፌٷ߾ፕۉୁ1.3 mA
ڦୁႠీ)B*
! ฿ۙۉუ: 50 µV(ፌٷኵ)
! ฿ۙᅎ: 0.6 µV/
°C(ፌٷኵ)
! ೋዃۉୁ: 1.0 nA(ፌٷኵ)
! ࠌఇᅞԲ: 100 dB(ፌၭኵ,G = 10)
گሯำ
! ۉუሯำ: 9 nV/√Hz (1 kHz)
0.28 Vރރኵሯำ)0.1 Hz10 Hz*
ڦୁ༬Ⴀ
!ټ: 120 kHz(G = 100)
0.01%૬้: 15 µs
ᆌᆩ
ۉጱ
ECGࢅᅅଐᅏഗ
دߌഗথ
ຕ֑ဣཥ
߾ᄽࡗײ
ۉࠃۉՍၻ๕ยԢ
ׂ௮ຎ
AD620ᅃگׯԨĂߛ܈ᅏݣٷഗLjৈႴᄲᅃ߲ྔ
ևۉፆઠยዃሺᅮLjሺᅮݔྷྺ110,000ăُྔLjAD620
֑ᆩ8ᆅগSOICࢅDIPހጎLj٫ၭᇀݴ૬ۉୟยLjժ
ࠀࡼ߸گ)ፌٷ߾ፕۉୁৈ1.3 mA*Ljᅺܸݥࢇۉࠃۉ
Սၻ๕)ᇺײ*ᆌᆩă
AD620ᆶߛ܈)ፌٷݥ၍Ⴀ܈40 ppm*Ăگ฿ۙۉუ)ፌٷ
50 μV*ࢅگ฿ۙᅎ)ፌٷ0.6 μV/°C*༬ႠLjۉጱࢅدߌ
ഗথڪຕ֑ဣཥڦၙኮăُྔLjAD620࣏
ᆶگሯำĂگೋዃۉୁࢅگࠀࡼ༬ႠLj๑ኮݥ
ࢇECGࢅظეუ֪ᅏڪᅅଐᆌᆩă
ᆯᇀഄ֑ᆩSuperβetaتLjᅺُᅜํ၄ፌٷ1.0
nAڦگೋዃۉୁăAD620ሞ1 kHz้ᆶ9 nV/√Hzڦگ
ۉუሯำLjሞ0.1 Hz10 Hzټฉڦሯำྺ0.28 μVރރ
ኵLjۉୁሯำྺ0.1pA/√HzLjᅺܸፕྺമዃݣٷഗ๑
ᆩၳࡕࡻăAD620࣏ݥࢇܠୟްᆩᆌᆩLjഄ0.01%
૬้ྺ15 μsLjܸׯԨگLjፁᅜํ၄ཚڢᅃ߲ᅏݣ
ٷഗڦยă
گׯԨĂگࠀࡼ
ᅏݣٷഗ
AD620
Rev. G | Page 2 of 20
ణ
200412ሆ—Ⴊ۩ӲFႪ۩ӲG
20037ሆ—“ຕ֩”ٗႪ۩ӲEืႪ۩ӲF
ຍࡀ߭ ........................................................................................... 3
ܔፌٷܮۨኵ
.............................................................................. 5
ESDয়ߢ
................................................................................... 5
ۆ႙߾ፕ༬Ⴀ
.................................................................................. 7
߾ፕᇱ
......................................................................................... 13
! ሺᅮስ
................................................................................ 16
! ᇑ฿ۙۉუ
.......................................................... 16
! ጚᆅগ
................................................................................ 16
߭๕߸ႎ
.................................................................................... ཚೊ
Ⴊ߀“༬Ⴀ”ևݴ!
.............................................................................. 1
Ⴊ߀“ׂ௮ຎ”ևݴ
...................................................................... 1
Ⴊ߀“ຍࡀ߭”ևݴ
...................................................................... 3
ሺޮཟӲቷೌ
.............................................................................. 4
߸࣑46
.................................................................................. 6
߸࣑15
........................................................................................... 7
߸࣑33
......................................................................................... 10
߸࣑34ࢅ35
............................................................................ 10
߸࣑37
......................................................................................... 10
Ⴊ߀3
........................................................................................... 13
Ⴊ߀41ࢅ42
............................................................................ 14
Ⴊ߀43
......................................................................................... 15
Ⴊ߀44
......................................................................................... 17
Ⴊ߀“ԍࢺ”ևݴ
.................................................................... 15
أ9
........................................................................................... 15
Ⴊ߀“พೕ)RF*߅ඡ”ևݴ
............................................................ 15
Պ“ೋዃۉୁ࣮ୟ”ևݴ
.................................................. 17
ሞ“۩ࠔኸళ”ዐሺAD620CHIPS
........................................... 19
Պ“༬Ⴀ”ևݴ!
.............................................................................. 1
Ⴊ߀“ຍࡀ߭”ևݴ
...................................................................... 2
ٗ“۩ࠔኸళ”ዐأAD620CHIPS
............................................. 4
أޮཟӲቷೌ
.............................................................................. 4
߸࣑TPC 1–3
.................................................................................... 5
߸࣑TPC 12
...................................................................................... 6
߸࣑TPC 30
...................................................................................... 9
߸࣑TPC 31ࢅTPC 32
................................................................... 10
߸࣑4
........................................................................................... 10
Ⴊ߀I
............................................................................................ 11
Ⴊ߀6ࢅ7
................................................................................ 12
Ⴊ߀8
........................................................................................... 13
Պ“ԍࢺ”ևݴ
.................................................................... 13
ႎሺ9
........................................................................................... 13
Ⴊ߀“RFথ”ևݴ
....................................................................... 14
Պ“ೋዃۉୁ࣮ୟ”ևݴ
.................................................. 15
߸ႎ“ྔႚ٫”ևݴ
.................................................................... 16
! ԍࢺ
................................................................................ 16
!พೕ(RF)߅ඡ
........................................................................ 16
ࠌఇᅞ
................................................................................ 17
!থں
......................................................................................... 17
! ೋዃۉୁ࣮ୟ
.............................................................. 18
ྔႚ٫
......................................................................................... 19
! ۩ࠔኸళ
................................................................................ 20
Ⴊ۩૦๏
AD620
Rev. G | Page 3 of 20
ຍࡀ߭
25°CĂV
S
= ±15 VĂR
L
= 2 kΩ้ڦۆ႙ኵLj༬՚ำأྔă
1
AD620A AD620B
AD620S
1
֖ຕ ཉ
ፌၭኵ ۆ႙ኵ ፌٷኵ ፌၭኵ ۆ႙ኵ ፌٷኵ ፌၭኵ ۆ႙ኵ ፌٷኵ ڇ࿋
ሺᅮ G = 1 + (49.4 kΩ/R
G
)
ሺᅮݔྷ 1 10,000 1 10,000 1 10,000
ሺᅮဃֶ
2
V
OUT
= ±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 %
ሺᅮݥ၍Ⴀ܈ V
OUT
= −10 V+10 V
G = 1–1000 R
L
= 10 kΩ 10 40 10 40 10 40 ppm
G = 1–100 R
L
= 2 kΩ 10 95 10 95 10 95 ppm
ሺᅮᇑ࿒܈ڦ࠲ဣ
G = 1 10 10 10 ppm/°C
ሺᅮ >1
2
−50 −50 −50 ppm/°C
฿ۙۉუ (ችࢇڟ܋ጺဃֶ= V
OSI
+ V
OSO
/G)
฿ۙLjV
OSI
V
S
= ±5 V
± 15 V
30 125 15 50 30 125 μV
ඇ࿒܈ݔྷ V
S
= ±5 V
± 15 V
185 85 225 μV
ೝ࿒܈ဣຕ(TC) V
S
= ±5 V
± 15 V
0.3 1.0 0.1 0.6 0.3 1.0 μV/°C
฿ۙLjV
OSO
V
S
= ±15 V 400 1000 200 500 400 1000 μV
V
S
= ± 5 V 1500 750 1500 μV
ඇ࿒܈ݔྷ V
S
= ±5 V
± 15 V
2000 1000 2000 μV
ೝ࿒܈ဣຕ(TC) V
S
= ±5 V
± 15 V
5.0 15 2.5 7.0 5.0 15 μV/°C
ችࢇڟ܋ڦ฿ۙ
ᇑۉᇸڦ࠲ဣ(PSR) V
S
= ±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
ۉୁ
ೋዃۉୁ 0.5 2.0 0.5 1.0 0.5 2 nA
ඇ࿒܈ݔྷ 2.5 1.5 4 nA
ೝ࿒܈ဣຕ(TC) 3.0 3.0 8.0 pA/°C
฿ۙۉୁ 0.3 1.0 0.3 0.5 0.3 1.0 nA
ඇ࿒܈ݔྷ 1.5 0.75 2.0 nA
ೝ࿒܈ဣຕ(TC) 1.5 1.5 8.0 pA/°C
ፆ
ֶݴ 10||2 10||2 10||2 GΩ_pF
ࠌఇ 10||2 10||2 10||2 GΩ_pF
ۉუݔྷ
3
V
S
= ±2.3 V
±5 V
−V
S
+ 1.9 +V
S
− 1.2 −V
S
+ 1.9 +V
S
− 1.2 −V
S
+ 1.9 +V
S
− 1.2 V
ඇ࿒܈ݔྷ −V
S
+ 2.1 +V
S
− 1.3 −V
S
+ 2.1 +V
S
− 1.3 −V
S
+ 2.1 +V
S
− 1.3 V
V
S
= ± 5 V
±18 V
−V
S
+ 1.9 +V
S
− 1.4 −V
S
+ 1.9 +V
S
− 1.4 −V
S
+ 1.9 +V
S
− 1.4 V
ඇ࿒܈ݔྷ −V
S
+ 2.1 +V
S
− 1.4 −V
S
+ 2.1 +V
S
+ 2.1 −V
S
+ 2.3 +V
S
− 1.4 V
AD620
Rev. G | Page 4 of 20
AD620A AD620B
AD620S
1
֖ຕ ཉ
ፌၭኵ ۆ႙ኵ ፌٷኵ ፌၭኵ ۆ႙ኵ ፌٷኵ ፌၭኵ ۆ႙ኵ ፌٷኵ ڇ࿋
ࠌఇᅞԲLj
DC60 HzLj
1 kΩݥ࢚႑ࡽᇸ V
CM
= 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
Ӧޗ R
L
= 10 kΩ
V
S
= ±2.3 V
± 5 V
−V
S
+
1.1
+V
S
− 1.2
−V
S
+ 1.1
+V
S
− 1.2 −V
S
+ 1.1 +V
S
− 1.2 V
ඇ࿒܈ݔྷ −V
S
+ 1.4 +V
S
− 1.3
−V
S
+ 1.4
+V
S
− 1.3 −V
S
+ 1.6 +V
S
− 1.3 V
V
S
= ±5 V
± 18 V
−V
S
+ 1.2 +V
S
− 1.4
−V
S
+ 1.2
+V
S
− 1.4 −V
S
+ 1.2 +V
S
− 1.4 V
ඇ࿒܈ݔྷ −V
S
+ 1.6 +V
S
– 1.5
−V
S
+ 1.6
+V
S
– 1.5 –V
S
+ 2.3 +V
S
– 1.5 V
܌ୟۉୁ ±18 ±18 ±18 mA
ۯༀၚᆌ
ၭ႑ࡽ-3 dBټ
G = 1 1000 1000 1000 kHz
G = 10 800 800 800 kHz
G = 100 120 120 120 kHz
G = 1000 12 12 12 kHz
უӦ୲ 0.75 1.2 0.75 1.2 0.75 1.2 V/μs
0.01%૬้ 10 Vօ
G = 1–100 15 15 15 μs
G = 1000 150 150 150 μs
ሯำ
ۉუሯำLj1 kHz
2
2
)/()( Geeችࢇڟ܋ጺሯำ=
no
ni
+
LjۉუሯำLje
ni
9 13 9 13 9 13 nV/√Hz
LjۉუሯำLje
no
72 100 72 100 72 100 nV/√Hz
RTILj0.1 Hz10 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
ۉୁሯำ f = 1 kHz 100 100 100 fA/√Hz
0.1 Hz10 Hz 10 10 10 pA p-p
ጚ
R
IN
20 20 20 kΩ
I
IN
V
IN+
, V
REF
= 0 50 60 50 60 50 60 μA
ۉუݔྷ −V
S
+ 1.6 +V
S
− 1.6 −V
S
+ 1.6 +V
S
− 1.6 −V
S
+ 1.6 +V
S
− 1.6 V
ሺᅮ 1 ± 0.0001 1 ± 0.0001 1 ± 0.0001
ۉᇸ
߾ፕۉუݔྷ
4
±2.3 ±18 ±2.3 ±18 ±2.3 ±18 V
ৢༀۉୁ V
S
= ±2.3 V
±18 V
0.9 1.3 0.9 1.3 0.9 1.3 mA
ඇ࿒܈ݔྷ 1.1 1.6 1.1 1.6 1.1 1.6 mA
ܮۨ࿒܈ݔྷ
-40+85 -40+85 -55+125 °C
1
ැႴ883B֪ຍࡀ߭Lj൩֖ADIࠅິᆩຕ֩ă
2
փԈઔྔևۉፆR
G
ڦᆖၚă
3
ᅃୟথںăG = 1ă
4
ᇑᆩઠࡀۨPSR༬Ⴀڦۉᇸۉუݔྷ၎ཞă
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