Datasheet

6 ______________________________________________________________________________________
MAX9613/MAX9615
Low-Power, High-Efficiency,
Single/Dual, Rail-to-Rail I/O Op Amps
Typical Operating Characteristics (continued)
(V
CC
= 3.3V, V
IN+
= V
IN-
= 0V, V
CM
= V
CC
/2, R
L
= 10kI to V
CC
/2, values are at T
A
= +25NC, unless otherwise noted.)
OPEN-LOOP GAIN vs. FREQUENCY
MAX9613 toc19
FREQUENCY (kHz)
OPEN-LOOP GAIN (dB)
10001001010.10.01
20
40
60
80
100
120
0
0.001 10,000
STABILITY vs. CAPACITIVE AND
RESISTIVE LOAD IN PARALLEL
MAX9613 toc20
CAPACITIVE LOAD (pF)
RESISTIVE LOAD (kI)
900800700600500400300200100
2
4
6
8
10
12
14
0
0 1000
UNSTABLE
STABLE
STABILITY vs. CAPACITANCE WITH
SERIES ISOLATION RESISTOR
MAX9613 toc21
CAPACITIVE LOAD (pF)
ISOLATION RESISTOR (I)
1000800200 400 600
10
20
30
40
50
60
70
80
0
0 1200
UNSTABLE
STABLE
100mV STEP RESPONSE
C
LOAD
= 200pF
MAX9613 toc22
V
OUT
50mV/div
V
IN
50mV/div
GND
GND
1µs/div
2V STEP RESPONSE
C
LOAD
= 200pF
MAX9613 toc23
V
OUT
1V/div
V
IN
1V/div
GND
GND
4µs/div
RECOVERY FROM SATURATION
OUTPUT SATURATED TO GND
MAX9613 toc24
V
OUT
500mV/div
V
IN
50mV/div
GND
GND
10µs/div
A
V
= 10V/V