User Manual

MAX478/MAX479
17µA Max, Dual/Quad, Single-Supply,
Precision Op Amps
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS: 5V
(V
S
= 5V, 0V, V
CM
= 0.1V, V
O
= 1.4V, T
A
= -40°C to +85°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS
MAX478EP
MAX479EP
MIN TYP MAX
MAX478ES
MAX479ES
MIN TYP MAX
UNITS
Input Offset Voltage Drift
∆V
OS
∆T
(Note 1) 0.6 3.0
0.8 4.5
µV/°C
Input Offset Current
I
OS
0.07 0.7 0.07 0.7 nA
Input Bias Current
I
B
48 48 nA
Common-Mode
Rejection Ratio
CMRR
V
CM
= 0.05V to 3.2V
84 98 84 98 dB
Input Offset Voltage
V
OS
MAX478 80 315 150 400
µV
Power-Supply
Rejection Ratio
PSRR
V
S
= 3.0V to 12V
86 100 86 100 dB
Large-Signal
Voltage Gain
A
VOL
V
O
= 0.05V to 4V, no load (Note 1)
55 350 55 350
V/mV
MAX479 80 345 160 530
V
O
= 0.05V to 3.5V, R
L
= 50kΩ
35 130 35 130
Output Voltage Swing
V
OUT
Output low, no load 9 13 9 13
mV
Output low, I
SINK
= 100µA
160 220 160 220
Output high, no load 3.9 4.2 3.9 4.2
V
Output high, 2kΩ to GND 3.0 3.7 3.0 3.7
Supply Current per Amplifier
I
S
15 27 15 27 µA