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| 型号： | AD8639WARZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 14/20页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP CHOPPER R-R DUAL 8SOIC |
| 标准包装： | 1,000 |
| 放大器类型： | 自动调零 |
| 电路数： | 2 |
| 输出类型： | 满摆幅 |
| 转换速率： | 2 V/µs |
| 增益带宽积： | 1.5MHz |
| 电流 - 输入偏压： | 1pA |
| 电压 - 输入偏移： | 3µV |
| 电流 - 电源： | 1.25mA |
| 电流 - 输出 / 通道： | 37mA |
| 电压 - 电源，单路/双路(±)： | 5 V ~ 16 V，±2.5 V ~ 8 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
AD8638/AD8639
Rev. F | Page 3 of 20
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—5 V OPERATION
VSY = 5 V, VCM = VSY/2, TA = 25°C, unless otherwise noted.
Table 2.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
3
9
μV
40°C ≤ TA ≤ +125°C
23
μV
0.1 V ≤ VCM ≤ +3.0 V
3
9
μV
40°C ≤ TA ≤ +125°C
23
μV
Input Bias Current
IB
1.5
40
pA
40°C ≤ TA ≤ +85°C
7
40
pA
40°C ≤ TA ≤ +125°C
45
105
pA
Input Offset Current
IOS
7
40
pA
40°C ≤ TA ≤ +85°C
7
40
pA
40°C ≤ TA ≤ +125°C
16.5
60
pA
Input Voltage Range
40°C ≤ TA ≤ +125°C
0.1
+3
V
Common-Mode Rejection Ratio
CMRR
VCM = 0 V to 3 V
118
133
dB
40°C ≤ TA ≤ +125°C
118
dB
Large Signal Voltage Gain
AVO
RL = 10 kΩ, VO = 0.5 V to 4.5 V
120
136
dB
40°C ≤ TA ≤ +125°C
119
dB
Offset Voltage Drift for All Packages
Except SOT-23
VOS/T
40°C ≤ TA ≤ +125°C
0.01
0.06
μV/°C
Offset Voltage Drift for SOT-23
VOS/T
40°C ≤ TA ≤ +125°C
0.04
0.15
μV/°C
Input Resistance
RIN
22.5
TΩ
Input Capacitance, Differential Mode
CINDM
4
pF
Input Capacitance, Common Mode
CINCM
1.7
pF
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
RL = 10 kΩ to VCM
4.97
4.985
V
40°C ≤ TA ≤ +125°C
4.97
V
RL = 2 kΩ to VCM
4.90
4.93
V
40°C ≤ TA ≤ +125°C
4.86
V
Output Voltage Low
VOL
RL = 10 kΩ to VCM
7.5
10
mV
40°C ≤ TA ≤ +125°C
15
mV
RL = 2 kΩ to VCM
32
40
mV
40°C ≤ TA ≤ +125°C
55
mV
Short-Circuit Current
ISC
TA = 25°C
±19
mA
Closed-Loop Output Impedance
ZOUT
f = 100 kHz, AV = 1
4.2
Ω
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VSY = 4.5 V to 16 V
127
143
dB
40°C ≤ TA ≤ +125°C
125
dB
Supply Current per Amplifier
ISY
IO = 0 mA
1.0
1.3
mA
40°C ≤ TA ≤ +125°C
1.5
mA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 10 kΩ, CL = 20 pF, AV = 1
2.5
V/μs
Settling Time to 0.1%
tS
VIN = 2 V step, CL = 20 pF, RL = 1 kΩ, AV = 1
3
μs
Overload Recovery Time
50
μs
Gain Bandwidth Product
GBP
RL = 2 kΩ, CL = 20 pF, AV = 1
1.35
MHz
Phase Margin
ΦM
RL = 2 kΩ, CL = 20 pF, AV = 1
70
Degrees
NOISE PERFORMANCE
Voltage Noise
en p-p
0.1 Hz to 10 Hz
1.2
μV p-p
Voltage Noise Density
en
f = 1 kHz
60
nV/√Hz
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