Low-Cost, High-Slew-Rate,
Rail-to-Rail I/O Op Amps in SC70
MAX4490/MAX4491/MAX4492
Typical Operating Characteristics (continued)
(V
DD
= +5V, V
SS
= 0, V
CM
= V
DD
/2, R
L
= 100kΩ to V
DD
/2, T
A
= +25°C, unless otherwise noted.)
OUTPUT IMPEDANCE vs. FREQUENCY
MAX4490 toc10
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX4490 toc11
LARGE-SIGNAL TRANSIENT RESPONSE
(NONINVERTING)
MAX4490toc12
1k
A
V
= +1
100
OUTPUT IMPEDANCE (Ω)
0.040
0.035
0.030
THD + NOISE (%)
A
V
= +1V/V
2Vp-p SIGNAL
500kHz LOWPASS FILTER
R
L
= 2kΩ
0.025
0.020
0.015
0.010
0.005
R
L
= 10kΩ
IN
2V/div
10
1
0.1
0.01
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
OUT
2V/div
0
10
100
1k
10k
100k
40µs/div
A
V
= +1
FREQUENCY (Hz)
LARGE-SIGNAL TRANSIENT RESPONSE
(INVERTING)
MAX4490toc13
SMALL-SIGNAL TRANSIENT RESPONSE
(NONINVERTING)
MAX4490toc14
SMALL-SIGNAL TRANSIENT RESPONSE
(INVERTING)
MAX4490toc15
IN
2V/div
IN
50mV/div
IN
50mV/div
OUT
2V/div
40µs/div
OUT
50mV/div
40µs/div
A
V
= +1
OUT
50mV/div
A
V
= -1
40µs/div
A
V
= -1
POWER-UP TRANSIENT RESPONSE
MAX4490toc16
SLEW RATE vs. SUPPLY VOLTAGE
MAX4490 toc17
MAX4491/MAX4492
CROSSTALK vs. FREQUENCY
MAX4492toc18
12
10
SLEW RATE (V/µS)
8
6
4
2
0
2.5
3.0
3.5
4.0
4.5
5.0
A
V
= +1
10% TO 90% STEP
0
-20
-40
CROSSTALK (dB)
-60
-80
-100
-120
0.001
V
DD
2V/div
OUT
1V/div
4µs/div
A
V
= +1, V
IN
CONNECTED TO V
DD
/2, R
L
= 2kΩ
5.5
0.01
0.1
1
10
100
1000
SUPPLY VOLTAGE (V)
FREQUENCY (MHz)
4
_______________________________________________________________________________________
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
