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AD8629 数据表(PDF) 3 Page - Analog Devices

部件名 AD8629
功能描述  30 V Zero-Drift, Rail-to-Rail Output Precision Amplifier
Download  24 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD8629 数据表(HTML) 3 Page - Analog Devices

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Data Sheet
ADA4638-1
Rev. 0 | Page 3 of 24
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—30 V OPERATION
VS = 30 V, VCM = VSY/2 V, TA = 25°C, unless otherwise specified.
Table 2.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
0.5
4.5
μV
−40°C ≤ TA ≤ +125°C; SOIC
12.5
μV
−40°C ≤ TA ≤ +125°C; LFCSP
14.5
μV
Offset Voltage Drift
ΔVOS/ΔT
−40°C ≤ TA ≤ +125°C; SOIC
0.08
μV/°C
−40°C ≤ TA ≤ +125°C; LFCSP
0.1
μV/°C
Input Bias Current
IB
45
90
pA
−40°C ≤ TA ≤ +125°C
500
pA
Input Offset Current
IOS
25
105
pA
−40°C ≤ TA ≤ +125°C
170
pA
Input Voltage Range
0
27
V
Common-Mode Rejection Ratio
CMRR
VCM = 0 V to 27 V
130
142
dB
−40°C ≤ TA ≤ +125°C
130
dB
Open-Loop Gain
AVO
RL = 10 kΩ, VO = 1 V to 29 V
140
165
dB
−40°C ≤ TA ≤ +125°C
140
dB
Input Resistance, Common Mode
RINCM
330
Input Capacitance, Differential Mode
CINDM
4
pF
Input Capacitance, Common Mode
CINCM
9
pF
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
RL = 10 kΩ to VCM
29.90
29.92
V
−40°C ≤ TA ≤ +125°C
29.85
V
RL = 2 kΩ to VCM
29.50
29.58
V
−40°C ≤ TA ≤ +125°C
29.35
V
Output Voltage Low
VOL
RL = 10 kΩ to VCM
50
60
mV
−40°C ≤ TA ≤ +125°C
95
mV
RL = 2 kΩ to VCM
235
270
mV
−40°C ≤ TA ≤ +125°C
445
mV
Short-Circuit Current
ISC
±38
mA
Closed-Loop Output Impedance
ZOUT
f = 1 MHz, AV = +1
220
Ω
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VS = 4.5 V to 30 V
120
143
dB
−40°C ≤ TA ≤ +125°C
120
dB
Supply Current/Amplifier
ISY
IO = 0 mA
0.85
1.05
mA
−40°C ≤ TA ≤ +125°C
1.25
mA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 10 kΩ, CL = 20 pF, AV = +1
1.5
V/μs
Overload Recovery Time
RL = 10 kΩ, CL = 20 pF, AV = −100
8
μs
Settling Time to 0.1%
tS
VIN = 5 V step, RL = 10 kΩ, CL = 20 pF, AV = −1
4
μs
Unity-Gain Crossover
UGC
VIN = 30 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +1
1.3
MHz
Phase Margin
ΦM
VIN = 30 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +1
69
Degrees
Gain-Bandwidth Product
GBP
VIN = 30 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +100
1.5
MHz
−3 dB Closed-Loop Bandwidth
f−3dB
VIN = 30 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +1
2.5
MHz
NOISE PERFORMANCE
Voltage Noise
en p-p
f = 0.1 Hz to 10 Hz
1.2
μV p-p
Voltage Noise Density
en
f = 1 kHz
66
nV/√Hz
Current Noise Density
in
f = 1 kHz
0.1
pA/√Hz


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