User Manual

MAX492/MAX494/MAX495
Single/Dual/Quad, Micropower,
Single-Supply Rail-to-Rail Op Amps
6 _______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(T
A
= +25°C, V
CC
= 5V, V
EE
= 0V, unless otherwise noted.)
60
-40
0.01 10 10,000
GAIN AND PHASE
vs. FREQUENCY
-20
MAX492-01
FREQUENCY (kHz)
GAIN (dB)
0
20
40
80
0.1 1 100 1000
-180
-120
-60
0
60
120
180
A
V
= +1000
NO LOAD
PHASE (DEG)
PHASE
GAIN
60
-40
0.01 10 10,000
GAIN AND PHASE
vs. FREQUENCY
-20
MAX492-02
FREQUENCY (kHz)
GAIN (dB)
0
20
40
80
0.1 1 100 1000
-180
-120
-60
0
60
120
180
C
L
= 470pF
A
V
= +1000
R
L
= ∞
PHASE (DEG)
GAIN
PHASE
140
-20
0.01 10 1000
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
20
MAX492-03
FREQUENCY (kHz)
PSRR (dB)
60
100
120
0
40
80
0.1 1 100
V
IN
= 2.5V
V
EE
V
CC
100
0
0.01 10 10,000
CHANNEL SEPARATION 
vs. FREQUENCY
20
MAX492-04
FREQUENCY (kHz)
CHANNEL SEPARATION (dB)
40
60
80
120
0.1 1 100 1000
V
IN
= 2.5V
140
20
-30
02 6
INPUT BIAS CURRENT
vs. COMMON-MODE VOLTAGE
-20
10
MAX492-07
V
CM
(V)
INPUT BIAS CURRENT (nA)
4
0
-10
-25
-15
-5
5
15
1357
V
CC
= 2.7V
V
CC
= 6V
160
0
-60 -20 60 140
OFFSET VOLTAGE 
vs. TEMPERATURE
40
140
MAX492-05
TEMPERATURE (°C)
OFFSET VOLTAGE (µV)
20 100
100
80
-40 0 40 80 120
20
60
120
V
CM
= 0V
60
-60 -20 60 140
COMMON-MODE REJECTION RATIO 
vs. TEMPERATURE
80
MAX492-06
TEMPERATURE (°C)
CMRR (dB)
20 100
110
100
-40 0 40 80 120
70
90
120
V
CM
= 0V TO +5V
V
CM
= -01V TO +5.1V
V
CM
= -0.2V TO +5.2V
V
CM
= -0.3V TO +5.3V
V
CM
= -0.4V TO +5.4V
125
-125
-60 0 100
INPUT BIAS CURRENT
vs. TEMPERATURE
-75
75
MAX492-08
TEMPERATURE (°C)
INPUT BIAS CURRENT (nA)
60
25
-25
-100
-50
0
50
100
-20 20 80 120
V
CC
= 2.7V
V
CC
= 6V
140-40 40
V
CC
= 6V
V
CM
= 0
V
CM
= V
CC
220
0
-60 -20 60 140
SUPPLY CURRENT PER AMPLIFIER
vs. TEMPERATURE
60
180
MAX492-09
TEMPERATURE (°C)
SUPPLY CURRENT PER OP AMP (µA)
20 100
140
100
200
160
120
80
40
20
-40 0 40 80 120
V
OUT
= V
CM
= V
CC
/2
V
CC
= 5V
V
CC
= 2.7V