Datasheet

AD8641/AD8642/AD8643 Data Sheet
Rev. E | Page 4 of 16
V
S
= ±13 V, V
CM
= 0 V, T
A
=25°C, unless otherwise noted.
Table 2.
Parameter Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
70 750 μV
AD8643 LFCSP only 1 mV
–40° < T
A
< +125°C 1.5 mV
Input Bias Current I
B
0.25 1 pA
–40°C < T
A
< +125°C 260 pA
Input Offset Current I
OS
0.5 pA
–40°C < T
A
< +125°C 65 pA
Input Voltage Range –13 +10 V
Common-Mode Rejection Ratio CMRR V
CM
= −13 V to +10 V 90 107 dB
Large Signal Voltage Gain A
VO
R
L
= 10 kΩ, V
O
= –11 V to +11 V 215 290 V/mV
Offset Voltage Drift ∆V
OS
/∆T –40°C < T
A
< +125°C 2.5 μV/°C
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
+12.95 V
I
L
= 1 mA, –40°C to +125°C +12.94 V
Output Voltage Low V
OL
–12.95 V
I
L
= 1 mA, –40°C to +125°C –12.94 V
Output Current I
OUT
±12 mA
POWER SUPPLY
Power Supply Rejection Ratio PSRR V
S
= ±2.5 V to ±13 V 90 107 dB
Supply Current/Amplifier I
SY
200 290 μA
–40°C < T
A
< +125°C 330 μA
DYNAMIC PERFORMANCE
Slew Rate SR 3 V/μs
Gain Bandwidth Product GBP 3.5 MHz
Phase Margin
Ø
m
60 Degrees
NOISE PERFORMANCE
Voltage Noise e
N
p-p f = 0.1 Hz to 10 Hz 4.2 μV p-p
Voltage Noise Density e
N
f = 1 kHz 27.5 nV/√Hz
Current Noise Density i
N
f = 1 kHz 0.5 fA/√Hz