参数资料
型号: AD8428BRZ
厂商: Analog Devices Inc
文件页数: 14/20页
文件大小: 0K
描述: IC OPAMP INST 3.5MHZ LN 8SOIC
标准包装: 1
放大器类型: 仪表
电路数: 1
转换速率: 50 V/µs
-3db带宽: 3.5MHz
电流 - 输入偏压: 200nA
电压 - 输入偏移: 25µV
电流 - 电源: 6.5mA
电流 - 输出 / 通道: 30mA
电压 - 电源,单路/双路(±): ±4 V ~ 18 V
工作温度: -40°C ~ 85°C
安装类型: *
封装/外壳: *
供应商设备封装: *
包装: *
Data Sheet
AD8428
Rev. A | Page 3 of 20
SPECIFICATIONS
VS = ±15 V, VREF = 0 V, TA = 25°C, G = 2000, RL = 10 kΩ, unless otherwise noted.
Table 2.
Test Conditions/
A Grade
B Grade
Parameter
Comments
Min
Typ
Max
Min
Typ
Max
Unit
COMMON-MODE REJECTION RATIO
(CMRR)
RTI, VCM = ±10 V
DC to 60 Hz
130
140
dB
At 50 kHz
110
120
dB
NOISE (RTI)
VIN+, VIN = 0 V
Voltage Noise
f = 1 kHz
1.3
1.5
1.3
1.5
nV/√Hz
f = 0.1 Hz to 10 Hz
40
50
40
50
nV p-p
Current Noise
f = 1 kHz
1.5
pA/√Hz
f = 0.1 Hz to 10 Hz
150
pA p-p
VOLTAGE OFFSET
Input Offset, VOSI
100
25
μV
Average TC
TA = 40°C to +85°C
1
0.3
μV/°C
Offset RTI vs. Supply (PSRR)
120
130
dB
INPUT CURRENT
Input Bias Current
200
50
nA
Over Temperature
TA = 40°C to +85°C
250
pA/°C
Input Offset Current
50
10
nA
Over Temperature
TA = 40°C to +85°C
20
pA/°C
DYNAMIC RESPONSE
3 dB Small Signal Bandwidth
3.5
MHz
Settling Time to 0.01%
10 V step
0.75
μs
Settling Time to 0.001%
10 V step
1.4
μs
Slew Rate
40
50
40
50
V/μs
GAIN
First Stage Gain
200
V/V
Subtractor Stage Gain
10
V/V
Total Gain Error
VOUT = 10 V to +10 V
0.2
0.05
%
Total Gain Nonlinearity
VOUT = 10 V to +10 V
5
ppm
Gain Drift
10
5
ppm/°C
INPUT
Impedance (Pin to Ground)1
1||2
GΩ||pF
Input Operating Voltage Range
VS = ±4 V to ±18 V
VS + 2.5
+VS 2.5
VS + 2.5
+VS 2.5
V
Over Temperature
TA = 40°C to +85°C
VS + 2.5
+VS 2.5
VS + 2.5
+VS 2.5
V
OUTPUT
Output Voltage Swing
RL = 2 kΩ
VS + 1.7
+VS 1.2
VS + 1.7
+VS 1.2
V
Over Temperature
TA = 40°C
VS + 2.0
+VS 1.3
VS + 2.0
+VS 1.3
V
TA = +85°C
VS + 1.6
+VS 1.1
VS + 1.6
+VS 1.1
V
Output Voltage Swing
RL = 10 kΩ
VS + 1.7
+VS 1.0
VS + 1.7
+VS 1.0
V
Over Temperature
TA = 40°C
VS + 1.8
+VS 1.2
VS + 1.8
+VS 1.2
V
TA = +85°C
VS + 1.4
+VS 0.9
VS + 1.4
+VS 0.9
V
Short-Circuit Current
30
mA
REFERENCE INPUT
Input Impedance, RIN
132
Input Current, IIN
VIN+, VIN = 0 V
6.5
μA
Voltage Range
VS
+VS
VS
+VS
V
Reference Gain to Output
1
V/V
Reference Gain Error
0.01
%
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