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AD623ARM 数据表(PDF) 3 Page - Analog Devices

部件名 AD623ARM
功能描述  Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
PDF  16 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD623ARM 数据表(HTML) 3 Page - Analog Devices

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–3–
REV. C
AD623
DUAL SUPPLIES
Model
AD623A
AD623ARM
AD623B
Specification
Conditions
Min
Typ
Max
Min
Typ Max
Min
Typ
Max
Units
GAIN
G = 1 + (100 k/RG)
Gain Range
1
1000
1
1000
1
1000
Gain Error
1
G1 VOUT =
–4.8 V to 3.5 V
G > 1 VOUT =
0.05 V to 4.5 V
G = 1
0.03
0.10
0.03 0.10
0.03
0.05
%
G = 10
0.10
0.35
0.10 0.35
0.10
0.35
%
G = 100
0.10
0.35
0.10 0.35
0.10
0.35
%
G = 1000
0.10
0.35
0.10 0.35
0.10
0.35
%
Nonlinearity,
G1 VOUT =
–4.8 V to 3.5 V
G > 1 VOUT =
–4.8 V to 4.5 V
G = 1–1000
50
50
50
ppm
Gain vs. Temperature
G = 1
5
10
5
10
5
10
ppm/
°C
G > 1
1
50
50
50
ppm/
°C
VOLTAGE OFFSET
Total RTI Error =
VOSI + VOSO/G
Input Offset, VOSI
25
200
200 500
25
100
µV
Over Temperature
350
650
160
µV
Average TC
0.1
2
0.1
2
0.1
1
µV/°C
Output Offset, VOSO
200
1000
500 2000
200
500
µV
Over Temperature
1500
2600
1100
µV
Average TC
2.5
10
2.5
10
2.5
10
µV/°C
Offset Referred to the Input
vs. Supply (PSR)
G = 1
80
100
80
100
80
100
dB
G = 10
100
120
100
120
100
120
dB
G = 100
120
140
120
140
120
140
dB
G = 1000
120
140
120
140
120
140
dB
INPUT CURRENT
Input Bias Current
17
25
17
25
17
25
nA
Over Temperature
27.5
27.5
27.5
nA
Average TC
25
25
25
pA/
°C
Input Offset Current
0.25
2
0.25 2
0.25
2
nA
Over Temperature
2.5
2.5
2.5
nA
Average TC
5
5
5
pA/
°C
INPUT
Input Impedance
Differential
2 22 22 2G
Ω pF
Common-Mode
2 22 22 2G
Ω pF
Input Voltage Range
2
VS = +2.5 V to ± 6 V
(–VS) – 0.15
(+VS) – 1.5
(–VS) –0.15
(+VS) – 1.5
(–VS) – 0.15
(+VS) – 1.5
V
Common-Mode Rejection at
60 Hz with 1 k
Ω Source
Imbalance
G = 1
VCM = +3.5 V to –5.15 V
70
80
70
80
77
86
dB
G = 10
VCM = +3.5 V to –5.15 V
90
100
90
100
94
100
dB
G = 100
VCM = +3.5 V to –5.15 V
105
110
105
110
105
110
dB
G = 1000
VCM = +3.5 V to –5.15 V
105
110
105
110
105
110
dB
OUTPUT
Output Swing
RL = 10 kΩ, VS = ±5 V
(–VS) +0. 2
(+VS) – 0.5
(–VS) + 0.2
(+VS) – 0.5
(–VS) + 0.2
(+VS) – 0.5
V
RL = 100 kΩ
(–VS) + 0.05
(+VS) – 0.15 (–VS) + 0.05
(+VS) – 0.15 (–VS) + 0.05
(+VS) – 0.15 V
DYNAMIC RESPONSE
Small Signal –3 dB
Bandwidth
G = 1
800
800
800
kHz
G = 10
100
100
100
kHz
G = 100
10
10
10
kHz
G = 1000
2
2
2
kHz
Slew Rate
0.3
0.3
0.3
V/
µs
Settling Time to 0.01%
VS = ±5 V, 5 V Step
G = 1
30
30
30
µs
G = 10
20
20
20
µs
(typical @ +25 C Dual Supply, VS =
5 V, and RL = 10 k , unless otherwise noted)



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