Datasheet

AD8614/AD8644
Rev. B | Page 3 of 16
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
5 V ≤ V
S
≤ 18 V, V
CM
= V
S
/2, T
A
= 25°C, unless otherwise noted.
1
Table 1.
Parameter Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
1.0 2.5 mV
−20°C ≤ T
A
≤ +85°C 3 mV
Input Bias Current I
B
80 400 nA
−20°C ≤ T
A
≤ +85°C 500 nA
Input Offset Current I
OS
5 100 nA
−20°C ≤ T
A
≤ +85°C 200 nA
Input Voltage Range 0 V
S
V
Common-Mode Rejection Ratio CMRR V
CM
= 0 V to V
S
60 75 dB
Voltage Gain A
VO
V
OUT
= 0.5 V to V
S
– 0.5 V, R
L
= 10 kΩ 10 150 V/mV
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
I
LOAD
= 10 mA V
S
− 0.15 V
Output Voltage Low V
OL
I
LOAD
= 10 mA 65 150 mV
Output Short-Circuit Current I
SC
35 70 mA
−20°C ≤ T
A
≤ +85°C 30 mA
POWER SUPPLY
Power Supply Rejection Ratio PSRR V
S
= ±2.25 V to ±9.25 V 80 110 dB
Supply Current/Amplifier I
SY
0.8 1.1 mA
−20°C ≤ T
A
≤ +85°C 1.5 mA
DYNAMIC PERFORMANCE
Slew Rate SR C
L
= 200 pF 7.5 V/μs
Gain Bandwidth Product GBP 5.5 MHz
Phase Margin Φo 65 Degrees
Settling Time t
S
0.01%, 10 V step 3 μs
NOISE PERFORMANCE
Voltage Noise Density e
n
f = 1 kHz 12 nV/√Hz
e
n
f = 10 kHz 11 nV/√Hz
Current Noise Density i
n
f = 10 kHz 1 pA/√Hz
1
All typical values are for V
S
= 18 V.