Datasheet

MAX4291/MAX4292/MAX4294
Ultra-Small, 1.8V, µPower,
Rail-to-Rail I/O Op Amps
_______________________________________________________________________________________ 7
0.01
0.1
10
1
100
0 23451 678910
LOAD RESISTOR vs. CAPACITIVE LOAD
MAX4291 toc19
CAPACITIVE LOAD (nF)
LOAD RESISTOR (kΩ)
I
OUT
> 20mA
V
CC
= 2.4V
I
OUT
> 20mA
V
CC
= 5.5V
V
CC
= 5.5V
V
CC
= 2.4V
10% OVERSHOOT
A
V
= 1V/V
(NONINVERTING CONFIGURATION)
OUT
IN
0
100mV
0
100mV
1µs/div
SMALL-SIGNAL TRANSIENT RESPONSE
(NONINVERTING CONFIGURATION)
MAX4291 toc20
V
CC
= 2.5V
V
EE
= -2.5V
V
CM
= 0
OUT
IN
0
100mV
0
100mV
1µs/div
SMALL-SIGNAL TRANSIENT RESPONSE
(INVERTING CONFIGURATION)
MAX4291 toc21
V
CC
= 2.5V
V
EE
= -2.5V
V
CM
= 0
OUT
IN
-2V
2V
-2V
2V
10µs/div
LARGE-SIGNAL TRANSIENT RESPONSE
(NONINVERTING CONFIGURATION)
MAX4291 toc22
V
CC
= 2.5V
V
EE
= -2.5V
V
CM
= 0
OUT
IN
-2V
2V
-2V
2V
10µs/div
LARGE-SIGNAL TRANSIENT RESPONSE
(INVERTING CONFIGURATION)
MAX4291 toc23
V
CC
= 2.5V
V
EE
= -2.5V
V
CM
= 0
0
1000
500
2000
1500
2500
3000
010155 202530
SUPPLY CURRENT vs. SINK CURRENT
MAX4291/2/4-24
SINK CURRENT (mA)
SUPPLY CURRENT (µA)
V
CC
= 5.5V
V
CC
= 2.4V
V
CC
= 1.8V
0
60
45
30
15
105
90
75
120
135
150
0105152025
SUPPLY CURRENT vs. SOURCE CURRENT
MAX4291/2/4-25
SOURCE CURRENT (mA)
SUPPLY CURRENT (µA)
V
CC
= 5.5V
V
CC
= 1.8V
V
CC
= 2.4V
Typical Operating Characteristics (continued)
(V
CC
= 2.4V, V
EE
= V
CM
= 0, V
OUT
= V
CC
/2, no load, T
A
= +25°C, unless otherwise noted.)