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AD8642ARZ-REEL7 数据表(PDF) 3 Page - Analog Devices

部件名 AD8642ARZ-REEL7
功能描述  Low Power, Rail-to-Rail Output, Precision JFET Amplifiers
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD8642ARZ-REEL7 数据表(HTML) 3 Page - Analog Devices

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Data Sheet
AD8641/AD8642/AD8643
Rev. F | Page 3 of 15
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
VS = 5.0 V, VCM = 2.5 V, TA = 25°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
50
750
µV
AD8643 LFCSP only
1
mV
−40°C < TA < +85°C
1.5
mV
+85°C < TA < +125°C, VCM = 1.5 V
1.6
mV
Input Bias Current
IB
0.25
1
pA
−40°C < TA < +125°C
180
pA
Input Offset Current
IOS
0.5
pA
−40°C < TA < +125°C
60
pA
Input Voltage Range
0
3
V
Common-Mode Rejection Ratio
CMRR
VCM = 0 V to 2.5 V
74
93
dB
Large Signal Voltage Gain
AVO
RL = 10 kΩ, VO = 0.5 to 4.5 V
80
140
V/mV
Offset Voltage Drift
∆VOS/∆T
−40°C < TA < +125°C
2.5
µV/°C
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
4.95
V
IL = 1 mA, −40°C to +125°C
4.94
V
Output Voltage Low
VOL
0.05
V
IL = 1 mA, −40°C to +125°C
0.01
0.05
V
Output Current
IOUT
±6
mA
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VS = 5 V to 26 V
90
107
dB
Supply Current/Amplifier
ISY
195
250
µA
−40°C < TA < +125°C
270
µA
DYNAMIC PERFORMANCE
Slew Rate
SR
2
V/µs
Gain Bandwidth Product
GBP
AD8641, AD8642
3
MHz
AD8643
2.5
MHz
Phase Margin
Øm
50
Degrees
NOISE PERFORMANCE
Voltage Noise
eN p-p
f = 0.1 Hz to 10 Hz
4.0
µV p-p
Voltage Noise Density
eN
f = 1 kHz
28.5
nV/√Hz
Current Noise Density
iN
f = 1 kHz
0.5
fA/√Hz


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