TA = 25°C, VS
參數(shù)資料
型號: AD628ARZ-RL
廠商: Analog Devices Inc
文件頁數(shù): 18/21頁
文件大?。?/td> 0K
描述: IC AMP PGA DIFF PREC 8SOIC
標(biāo)準(zhǔn)包裝: 2,500
放大器類型: 電流檢測
電路數(shù): 1
轉(zhuǎn)換速率: 0.3 V/µs
-3db帶寬: 600kHz
電流 - 輸入偏壓: 1.5nA
電壓 - 輸入偏移: 150µV
電流 - 電源: 1.6mA
電壓 - 電源,單路/雙路(±): 4.5 V ~ 36 V,±2.25 V ~ 18 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SO
包裝: 帶卷 (TR)
AD628
Rev. G | Page 5 of 20
TA = 25°C, VS = 5 V, RL = 2 kΩ, REXT1 = 10 kΩ, REXT2 = ∞, VREF = 2.5 V, unless otherwise noted.
Table 2.
AD628AR
AD628ARM
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Unit
DIFFERENTIAL AND OUTPUT AMPLIFIER
Gain Equation
G = +0.1(1+ REXT1/REXT2)
V/V
Gain Range
0.11
100
0.11
100
V/V
Offset Voltage
VCM = 2.25 V; RTI of input pins2;
output amplifier G = +1
3.0
+3.0
3.0
+3.0
mV
vs. Temperature
6
15
6
15
μV/°C
CMRR3
RTI of input pins; G = +0.1 to +100
75
dB
500 Hz
75
dB
Minimum CMRR Over Temperature
40°C to +85°C
70
dB
vs. Temperature
1
4
1
4
(μV/V)/°C
PSRR (RTI)
VS = 4.5 V to 10 V
77
94
77
94
dB
Input Voltage Range
Common Mode4
12
+17
12
+17
V
Differential
15
+15
15
+15
V
Dynamic Response
Small Signal Bandwidth – 3 dB
G = +0.1
440
kHz
Full Power Bandwidth
30
kHz
Settling Time
G = +0.1; to 0.01%, 30 V step
15
μs
Slew Rate
0.3
V/μs
Noise (RTI)
Spectral Density
1 kHz
350
nV/√Hz
0.1 Hz to 10 Hz
15
μV p-p
DIFFERENTIAL AMPLIFIER
Gain
0.1
V/V
Error
–0.1
+0.01
+0.1
–0.1
+0.01
+0.1
%
Nonlinearity
3
ppm
vs. Temperature
3
10
3
10
ppm
Offset Voltage
RTI of input pins
2.5
+2.5
2.5
+2.5
mV
vs. Temperature
10
μV/°C
Input Impedance
Differential
220
Common Mode
55
CMRR5
RTI of input pins; G = +0.1 to +100
75
dB
500 Hz
75
dB
Minimum CMRR Over Temperature
40°C to +85°C
70
dB
vs. Temperature
1
4
1
4
(μV/V)/°C
Output Resistance
10
Error
0.1
+0.1
0.1
+0.1
%
OUTPUT AMPLIFIER
Gain Equation
G = (1 + REXT1/REXT2)
V/V
Nonlinearity
G = +1, VOUT = 1 V to 4 V
0.5
ppm
Output Offset Voltage
RTI of output amplifier
0.15
+0.15
0.15
+0.15
mV
vs. Temperature
0.6
μV/°C
Output Voltage Swing
RL = 10 kΩ
0.9
4.1
0.9
4.1
V
RL = 2 kΩ
1
4
1
4
V
Bias Current
1.5
3
1.5
3
nA
Offset Current
0.2
0.5
0.2
0.5
nA
CMRR
VCM = 1 V to 4 V
130
dB
Open-Loop Gain
VOUT = 1 V to 4 V
130
dB
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