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