User Manual

MAX492/MAX494/MAX495
Single/Dual/Quad, Micropower,
Single-Supply Rail-to-Rail Op Amps
_______________________________________________________________________________________ 7
120
GAIN (dB)

110
MAX492-10

70
200
90
V
CC
- V
OUT
(mV)
500
100
80
60
50
0 100 300 400 600
LARGE-SIGNAL GAIN
vs. OUTPUT VOLTAGE
R
L
= 1kΩ
R
L
= 10kΩ
R
L
= 100kΩ
R
L
= 1MΩ
V
CC
= +6V
R
L
TO V
EE
120
GAIN (dB)

110
MAX492-11

70
200
90
V
CC
- V
OUT
(mV)
500
100
80
60
50
0 100 300 400 600
LARGE-SIGNAL GAIN
vs. OUTPUT VOLTAGE
R
L
= 1kΩ
R
L
= 10kΩ
R
L
= 100kΩ
R
L
= 1MΩ
V
CC
= +2.7V
R
L
TO V
EE
120
80
-60 -20 60 140
LARGE-SIGNAL GAIN
vs. TEMPERATURE
90
110
MAX492-12
TEMPERATURE (°C)
LARGE-SIGNAL GAIN (dB)
20 100
100
-40 0 40 80 120
85
95
105
115
R
L
TO V
CC
R
L
TO V
EE
R
L
= 1kΩ, 0.5V < V
OUT
< (V
CC
- 0.5V)
V
CC
= +2.7V
V
CC
= +6V
120
GAIN (dB)

110
MAX492-13

60
100
80
V
OUT
(mV)
500
LARGE-SIGNAL GAIN
vs. OUTPUT VOLTAGE
100
90
70
50
0 200 300 400 600
R
L
= 1MΩ

R
L
= 100kΩ
R
L
= 10kΩ
R
L
= 1kΩ
V
CC
= +6V
R
L
TO V
CC
100
0
-60 140
MINIMUM OUTPUT VOLTAGE
vs. TEMPERATURE
20
80
MAX492-16
TEMPERATURE (°C)
V
OUT
MIN (mV)
080
60
40
120
140
160
180
200
220
-40 -20 20 40 60 100 120
R
L
TO V
CC
V
CC
= 6V, R
L
= 1kΩ
V
CC
= 2.7V, R
L
= 1kΩ
V
CC
= 6V, R
L
= 100kΩ
V
CC
= 2.7V, R
L
= 100kΩ
120
GAIN (dB)

110
MAX492-14

60
100
80
V
OUT
(mV)
500
LARGE-SIGNAL GAIN
vs. OUTPUT VOLTAGE
100
90
70
50
0 200 300 400 600
R
L
= 1MΩ

R
L
= 100kΩ
R
L
= 10kΩ
R
L
= 1kΩ
V
CC
= +2.7V
R
L
TO V
CC
120
80
-60 -20 60 140
LARGE-SIGNAL GAIN
vs. TEMPERATURE
90
110
MAX492-15
TEMPERATURE (°C)
LARGE-SIGNAL GAIN (dB)
20 100
100
-40 0 40 80 120
85
95
105
115
R
L
TO V
CC
R
L
TO V
EE
R
L
= 100kΩ, 0.3V < V
OUT
< (V
CC
- 0.3V)
V
CC
= +2.7V
V
CC
= +6V
100
0
-60 140
MAXIMUM OUTPUT VOLTAGE
vs. TEMPERATURE
20
80
MAX492-17
TEMPERATURE (°C)
(V
CC
- V
OUT
) (mV)
080
60
40
120
140
160
180
200
-40 -20 20 40 60 100 120
R
L
TO V
EE
V
CC
= 6V, R
L
= 1kΩ
V
CC
= 2.7V, R
L
= 1kΩ
V
CC
= 6V, R
L
= 100kΩ
V
CC
= 2.7V, R
L
= 100kΩ
1000
0.01 10 10,000
OUTPUT IMPEDANCE
vs. FREQUENCY
0.1
MAX492-18
FREQUENCY (kHz)
OUTPUT IMPEDANCE (Ω)
1
10
100
0.1 1 100 1,000
V
CM
= V
OUT
= 2.5V
____________________________Typical Operating Characteristics (continued)
(T
A
= +25°C, V
CC
= 5V, V
EE
= 0V, unless otherwise noted.)