Datasheet

6 Maxim Integrated
3V/5V Low-Power, Low-Noise, CMOS,
Rail-to-Rail I/O Op Amps
MAX9636/MAX9637/MAX9638
Typical Operating Characteristics (continued)
(V
DD
= 3.3V, V
SS
= 0V, V
IN+
= V
IN-
= V
CM
= V
DD
/2, R
L
= 10kI to V
DD
/2, SHDN = V
DD
, T
A
= -40NC to +125NC. Typical values are at
T
A
= +25NC, unless otherwise noted.)
INPUT CURRENT NOISE vs. FREQUENCY
MAX9636 toc19
FREQUENCY (Hz)
INPUT CURRENT NOISE (fA/√Hz)
100101
1
2
3
4
5
6
7
8
9
10
0
0.1 1000
0.1Hz TO 10Hz VOLTAGE vs. TIME
MAX9636 toc20
2µV/div
5µV
P-P
NOISE
10s/div
TOTAL HARMONIC DISTORTION vs.
INPUT VOLTAGE AMPLITUDE
V
DD
= 5.5V, A
O
= 1V/V
MAX9636 toc21
INPUT VOLTAGE AMPLITUDE (V
P-P
)
TOTAL HARMONIC DISTORTION (dB)
54321
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
06
TOTAL HARMONIC DISTORTION vs.
FREQUENCY V
DD
= 5.5V, A
O
= 1V/V,
V
OUT
= 2V
P-P
, R
L
= 10kI to V
DD
/2
MAX9636 toc22
FREQUENCY (kHz)
TOTAL HARMONIC DISTORTION (dB)
1010.1
-100
-80
-60
-40
-20
0
-120
0.01 100
SMALL-SIGNAL TRANSIENT RESPONSE
MAX9636 toc23
1µs/div
V
OUT
20mV/div
V
IN
100mV/div
LARGE-SIGNAL TRANSIENT RESPONSE
MAX9636 toc24
V
IN
2V/div
V
OUT
500mV/div
2µs/div