User Manual

MAX478/MAX479
17µA Max, Dual/Quad, Single-Supply,
Precision Op Amps
6 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS: ±15V
(V
S
= ±15V, T
A
= +25°C, unless otherwise noted.)
PARAMETER
SYMBOL CONDITIONS
MAX478AC
MAX479AC
MIN TYP MAX
MAX478C/E
MAX479C/E
MIN TYP MAX
UNITS
Input Voltage Range
V
IN (CM)
Upper limit 13.5 13.9 13.5 13.9
V
Lower limit -15.0 -15.3
Input Offset Current
I
OS
-15.0 -15.3
0.05 0.25 0.05 0.35 nA
Input Bias Current
I
B
35 36 nA
Common-Mode
Rejection Ratio
CMRR
V
CM
= +13.5V, -15V
97 106 94 106 dB
Slew Rate SR
A
V
= +1V, C
L
= 15pF
Power-Supply
Rejection Ratio
PSRR
V
S
= 5V, 0V to ±15V
96 112 94 112 dB
0.02 0.04 0.02 0.04 V/µs
16 21 17 25
Gain-Bandwidth Product GBW
f
O
≤ 5kHz
85 85 kHz
Input Offset Voltage
V
OS
80 350 100 480 µV
I
S
Supply Current per Amplifer µA
Large-Signal
Voltage Gain
A
VOL
V
O
= ±10V, R
L
= 50kΩ
300 1200 250 1000
V/mV
V
O
= ±10V, no load
600 2500 400 2500
Output Voltage Swing
V
OUT
R
L
= 50kΩ
±13.0 ±14.2 ±13.0 ±14.2
V
R
L
= 2kΩ
±11.0 ±12.7 ±11.0 ±12.7