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AD8691 Datasheet(PDF) 3 Page - Analog Devices

Part No. AD8691
Description  Low Cost, Low Noise, CMOS Rail-to-Rail Output Operational Amplifiers
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD8691 Datasheet(HTML) 3 Page - Analog Devices

 
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AD8691/AD8692/AD8694
Rev. 0 | Page 3 of 12
ELECTRICAL CHARACTERISTICS
VS = 2.7 V, VCM = VS/2, TA = 25°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
VCM = −0.3 V to +1.6 V
0.4
2.0
mV
VCM = −0.1 V to +1.6 V; −40°C < TA < +125°C
3.0
mV
Input Bias Current
IB
0.2
1
pA
−40°C < TA < +85°C
50
pA
−40°C < TA < +125°C
260
pA
Input Offset Current
IOS
0.1
0.5
pA
−40°C < TA < +85°C
20
pA
−40°C < TA < +125°C
75
pA
Input Voltage Range
−0.3
+1.6
V
Common-Mode Rejection Ratio
CMRR
VCM = −0.3 V to +1.6 V
68
90
dB
VCM = −0.1 V to +1.6 V; −40°C < TA < +125°C
60
85
dB
Large Signal Voltage Gain
AVO
RL = 2 kΩ, VO = 0.5 V to 2.2 V
90
250
V/mV
AD8694
RL = 2 kΩ, VO = 0.5 V to 2.2 V
60
V/mV
Offset Voltage Drift
∆VOS/∆T
AD8691
2
12
µV/°C
AD8692/AD8694
1.3
6
µV/°C
INPUT CAPACITANCE
Common-Mode Input Capacitance
CCM
5
pF
Differential Input Capacitance
CDM
2.5
pF
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
IL = 1 mA
2.64
2.66
V
−40°C < TA < +125°C
2.6
V
Output Voltage Low
VOL
IL = 1 mA
25
40
mV
−40°C < TA < +125°C
60
mV
Short-Circuit Current
ISC
±20
mA
Closed-Loop Output Impedance
ZOUT
f = 1 MHz, AV = 1
12
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VS = 2.7 V to 5.5 V
80
95
dB
−40°C < TA < +125°C
75
95
dB
Supply Current/Amplifier
ISY
VO = 0 V
0.85
0.95
mA
−40°C < TA < +125°C
1.2
mA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 2 kΩ
5
V/µs
Settling Time
tS
To 0.01%
1
µs
Gain Bandwidth Product
GBP
10
MHz
Phase Margin
ØO
60
Degrees
Total Harmonic Distortion + Noise
THD + N
G = 1, RL = 600
Ω, f = 1 kHz, VO = 250 mV p-p
0.003
%
NOISE PERFORMANCE
Voltage Noise
en p-p
f = 0.1 Hz to 10 Hz
1.6
3.0
µV p-p
Voltage Noise Density
en
f = 1 kHz
8
12
nV/√Hz
en
f = 10 kHz
6.5
nV/√Hz
Current Noise Density
in
f = 1 kHz
0.05
pA/√Hz


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