VSY = 16 " />
參數(shù)資料
型號: AD8639WARZ
廠商: Analog Devices Inc
文件頁數(shù): 15/20頁
文件大?。?/td> 0K
描述: IC OPAMP CHOPPER R-R DUAL 8SOIC
標準包裝: 98
放大器類型: 自動調(diào)零
電路數(shù): 2
輸出類型: 滿擺幅
轉(zhuǎn)換速率: 2 V/µs
增益帶寬積: 1.5MHz
電流 - 輸入偏壓: 1pA
電壓 - 輸入偏移: 3µV
電流 - 電源: 1.25mA
電流 - 輸出 / 通道: 37mA
電壓 - 電源,單路/雙路(±): 5 V ~ 16 V,±2.5 V ~ 8 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 8-SO
包裝: 管件
AD8638/AD8639
Rev. F | Page 4 of 20
ELECTRICAL CHARACTERISTICS—16 V OPERATION
VSY = 16 V, VCM = VSY/2, TA = 25°C, unless otherwise noted.
Table 3.
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 ≤ +14 V
3
9
μV
40°C ≤ TA ≤ +125°C
23
μV
Input Bias Current
IB
1
75
pA
40°C ≤ TA ≤ +85°C
4
75
pA
40°C ≤ TA ≤ +125°C
85
250
pA
Input Offset Current
IOS
20
70
pA
40°C ≤ TA ≤ +85°C
20
75
pA
40°C ≤ TA ≤ +125°C
50
150
pA
Input Voltage Range
40°C ≤ TA ≤ +125°C
0.1
+14
V
Common-Mode Rejection Ratio
CMRR
VCM = 0 V to 14 V
127
142
dB
40°C ≤ TA ≤ +125°C
127
dB
Large Signal Voltage Gain
AVO
RL = 10 kΩ, VO = 0.5 V to 15.5 V
130
147
dB
40°C ≤ TA ≤ +125°C
130
dB
Offset Voltage Drift for All Packages
Except SOT-23
VOS/T
40°C ≤ TA ≤ +125°C
0.03
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
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
15.94
15.96
V
40°C ≤ TA ≤ +125°C
15.93
V
RL = 2 kΩ to VCM
15.77
15.82
V
40°C ≤ TA ≤ +125°C
15.70
V
Output Voltage Low
VOL
RL = 10 kΩ to VCM
30
40
mV
40°C ≤ TA ≤ +125°C
60
mV
RL = 2 kΩ to VCM
120
140
mV
40°C ≤ TA ≤ +125°C
200
mV
Short-Circuit Current
ISC
TA = 25°C
±37
mA
Closed-Loop Output Impedance
ZOUT
f = 100 kHz, AV = 1
3.0
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
1.25
1.5
mA
40°C ≤ TA ≤ +125°C
1.7
mA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 10 kΩ, CL = 20 pF, AV = 1
2
V/μs
Settling Time to 0.1%
tS
VIN = 4 V step, CL = 20 pF, RL = 1 kΩ, AV = 1
4
μs
Overload Recovery Time
50
μs
Gain Bandwidth Product
GBP
RL = 2 kΩ, CL = 20 pF, AV = 1
1.5
MHz
Phase Margin
ΦM
RL = 2 kΩ, CL = 20 pF, AV = 1
74
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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