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参数资料
| 型号： | AD8203YRZ-R7 |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 运动控制电子 |
| 英文描述： | High Common-Mode Voltage, Single-Supply Difference Amplifier |
| 中文描述： | OP-AMP, 1000 uV OFFSET-MAX, PDSO8 |
| 封装： | LEAD FREE, MS-012AA, SOIC-8 |
| 文件页数： | 3/20页 |
| 文件大小： | 239K |
| 代理商： | AD8203YRZ-R7 |
AD8203
SPECIFICATIONS
SINGLE SUPPLY
T
A
= operating temperature range, V
S
= 5 V, unless otherwise noted.
Table 1.
Parameter
Conditions
SYSTEM GAIN
Initial
Error
0.02 ≤ V
OUT
≤ 4.8 V dc @ 25°C
vs. Temperature
VOLTAGE OFFSET
Input Offset (RTI)
V
CM
= 0.15 V; 25°C
vs. Temperature
40°C to +125°C
40°C to +150°C
INPUT
Input Impedance
Differential
Common Mode
CMV
Continuous
CMRR
1
V
CM
= 6 V to +30 V
f = dc
f = 1 kHz
f = 10 kHz
2
Rev. B | Page 3 of 20
AD8203 SOIC
Min
Typ
14
0.3
1
1
10
+0.3
260
320
130
160
6
82
82
80
AD8203 MSOP
Min
Typ
14
0.3
1
2
20
+2
260
320
130
160
6
82
82
80
AD8203 Die
Typ
14
0.3
1
1
10
+0.3
15
+5
260
320
130
160
6
82
82
80
Unit
V/V
%
ppm/°C
mV
μV/°C
μV/°C
kΩ
kΩ
V
dB
dB
dB
Max
+0.3
20
+1
+10
380
190
+30
Max
+0.3
25
+2
+20
380
190
+30
Min
Max
+0.3
30
+1
+10
+15
380
190
+30
PREAMPLIFIER
Gain
Gain Error
Output Voltage Range
Output Resistance
OUTPUT BUFFER
Gain
Gain Error
Output Voltage Range
Input Bias Current
Output Resistance
DYNAMIC RESPONSE
System Bandwidth
Slew Rate
NOISE
0.1 Hz to 10 Hz
Spectral Density, 1 kHz (RTI)
POWER SUPPLY
Operating Range
Quiescent Current vs.
Temperature
PSRR
TEMPERATURE RANGE
For Specified Performance
1
Source imbalance <2 Ω.
2
The AD8203 preamplifier exceeds 80 dB CMRR at 10 kHz. However, since the signal is available only by way of a 100 kΩ resistor, even the small amount of pin-to-pin
capacitance between Pin 1, Pin 8 and Pin 3, Pin 4 may couple an input common-mode signal larger than the greatly attenuated preamplifier output. The effect of pin-
to-pin coupling may be neglected in all applications by using filter capacitors at Node 3.
0.02 ≤ V
OUT
≤ 4.8 V dc
V
IN
= 0.01 V p-p, V
OUT
= 0.14 V p-p
V
IN
= 0.28 V, V
OUT
= 4 V step
V
O
= 0.1 V dc
0.3
0.02
97
0.3
0.02
40
3.5
7
100
2
40
2
60
0.33
10
300
0.25
+0.3
4.8
103
+0.3
4.8
12
1.0
0.3
0.02
97
0.3
0.02
40
3.5
7
100
2
40
2
60
0.33
10
300
0.25
+0.3
4.8
103
+0.3
4.8
12
1.0
0.3
0.02
97
0.3
0.02
40
3.5
7
100
2
40
2
60
0.33
10
300
0.25
+0.3
4.8
103
+0.3
4.8
12
1.0
V/V
%
V
kΩ
V/V
%
V
nA
Ω
kHz
V/μs
μV p-p
nV/√Hz
V
mA
V
S
= 3.5 V to 12 V
75
40
83
+125
75
40
83
+125
75
40
83
+150
dB
°C
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