VS = 2.7 V," />
參數(shù)資料
型號: AD8572AR
廠商: Analog Devices Inc
文件頁數(shù): 19/24頁
文件大?。?/td> 0K
描述: IC OPAMP CHOPPER R-R DUAL 8SOIC
標(biāo)準(zhǔn)包裝: 98
放大器類型: 斷路器(零漂移)
電路數(shù): 2
輸出類型: 滿擺幅
轉(zhuǎn)換速率: 0.4 V/µs
增益帶寬積: 1.5MHz
電流 - 輸入偏壓: 10pA
電壓 - 輸入偏移: 1µV
電流 - 電源: 850µA
電流 - 輸出 / 通道: 30mA
電壓 - 電源,單路/雙路(±): 2.7 V ~ 5.5 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(yīng)商設(shè)備封裝: 8-SO
包裝: 管件
AD8571/AD8572/AD8574
Rev. E | Page 4 of 24
2.7 V ELECTRICAL CHARACTERISTICS
VS = 2.7 V, VCM = 1.35 V, VO = 1.35 V, TA = 25°C, unless otherwise noted.
Table 2.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
1
5
μV
40°C ≤ TA ≤ +125°C
10
μV
Input Bias Current
IB
10
50
pA
AD8571/AD8574
40°C ≤ TA ≤ +125°C
1.0
1.5
nA
AD8572
40°C ≤ TA ≤ +85°C
160
300
pA
40°C ≤ TA ≤ +125°C
2.5
4
nA
Input Offset Current
IOS
10
50
pA
AD8571/AD8574
40°C ≤ TA ≤ +125°C
150
200
pA
AD8572
40°C ≤ TA ≤ +85°C
30
150
pA
40°C ≤ TA ≤ +125°C
150
400
pA
Input Voltage Range
0
2.7
V
Common-Mode Rejection Ratio
CMRR
VCM = 0 V to 2.7 V
115
130
dB
40°C ≤ TA ≤ +125°C
110
130
dB
Large Signal Voltage Gain1
AVO
RL = 10 kΩ, VO = 0.3 V to 2.4 V
110
140
dB
40°C ≤ TA ≤ +125°C
105
130
dB
Offset Voltage Drift
VOS/T
40°C ≤ TA ≤ +125°C
0.005
0.04
μV/°C
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
RL = 100 kΩ to GND
2.685
2.697
V
RL = 100 kΩ to GND @ 40°C to +125°C
2.685
2.696
V
RL = 10 kΩ to GND
2.67
2.68
V
RL = 10 kΩ to GND @ 40°C to +125°C
2.67
2.675
V
Output Voltage Low
VOL
RL = 100 kΩ to V+
1
10
mV
RL = 100 kΩ to V+ @ 40°C to +125°C
2
10
mV
RL = 10 kΩ to V+
10
20
mV
RL = 10 kΩ to V+ @ 40°C to +125°C
15
20
mV
Short-Circuit Limit
ISC
±10
±15
mA
40°C to +125°C
±10
mA
Output Current
IO
±10
mA
40°C to +125°C
±5
mA
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VS = 2.7 V to 5.5 V
120
130
dB
40°C ≤ TA ≤ +125°C
115
130
dB
Supply Current per Amplifier
ISY
VO = 0 V
750
900
μA
40°C ≤ TA ≤ +125°C
950
1000
μA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 10 kΩ
0.5
V/μs
Overload Recovery Time
0.05
ms
Gain Bandwidth Product
GBP
1
MHz
NOISE PERFORMANCE
Voltage Noise
en p-p
0 Hz to 10 Hz
2.0
μV p-p
Voltage Noise Density
en
f = 1 kHz
94
nV/√Hz
Current Noise Density
in
f = 10 Hz
2
fA/√Hz
1 Gain testing is dependent upon test bandwidth.
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