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AD8671 Datasheet(PDF) 4 Page - Analog Devices

Part No. AD8671
Description  Precision, Very Low Noise, Low Input Bias Current Operational Amplifiers
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD8671 Datasheet(HTML) 4 Page - Analog Devices

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AD8671/AD8672/AD8674
Rev. C | Page 4 of 16
ELECTRICAL CHARACTERISTICS, ±15 V
VS = ±15 V, VCM = 0 V, TA = 25°C, unless otherwise noted.
Table 2.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
20
75
μV
–40°C < TA < +125°C
30
125
μV
Offset Voltage Drift
∆VOS/∆T
–40°C < TA < +125°C
AD8671
0.3
0.5
μV/°C
AD8672/AD8674
0.3
0.8
μV/°C
Input Bias Current
IB
–12
+3
+12
nA
+25°C < TA < +125°C
–20
+5
+20
nA
–40°C < TA < +125°C
–40
+8
+40
nA
Input Offset Current
IOS
–12
+6
+12
nA
+25°C < TA < +125°C
–20
+6
+20
nA
–40°C < TA < +125°C
–40
+8
+40
nA
Input Voltage Range
–12
+12
V
Common-Mode Rejection Ratio
CMRR
VCM = –12 V to +12 V
100
120
dB
Large Signal Voltage Gain
AVO
RL = 2 kΩ, VO = –10 V to +10 V
1000
6000
V/mV
Input Capacitance, Common Mode
CINCM
6.25
pF
Input Capacitance, Differential Mode
CINDM
7.5
pF
Input Resistance, Common Mode
RIN
3.5
Input Resistance, Differential Mode
RINDM
15
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
RL = 2 kΩ, –40°C to +125°C
+13.2
+13.8
V
Output Voltage Low
VOL
RL = 2 kΩ, –40°C to +125°C
–13.8
–13.2
V
Output Voltage High
VOH
RL = 600 Ω
+11
+12.3
V
Output Voltage Low
VOL
RL = 600 Ω
–12.4
–11
V
Output Current
IOUT
±20
mA
Short Circuit Current
ISC
±30
mA
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VS = ±4 V to ±18 V
AD8671/AD8672
110
130
dB
AD8674
106
115
dB
Supply Current/Amplifier
ISY
VO = 0 V
3
3.5
mA
–40°C <TA < +125°C
4.2
mA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 2 kΩ
4
V/μs
Settling Time
tS
To 0.1% (10 V step, G = 1)
2.2
μs
To 0.01% (10 V step, G = 1)
6.3
μs
Gain Bandwidth Product
GBP
10
MHz
NOISE PERFORMANCE
Peak-to-Peak Noise
en p-p
0.1 Hz to 10 Hz
77
100
nV p-p
Voltage Noise Density
en
f = 1 kHz
2.8
3.8
nV/√Hz
Current Noise Density
in
f = 1 kHz
0.3
pA/√Hz
Channel Separation
AD8672/AD8674
CS
f = 1 kHz
–130
dB
f = 10 kHz
–105
dB


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