Datasheet

MAX4291/MAX4292/MAX4294
Ultra-Small, 1.8V, µPower,
Rail-to-Rail I/O Op Amps
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS
(V
CC
= 1.8V to 5.5V, V
EE
= V
CM
= 0, V
OUT
= V
CC
/2, R
L
= 100kΩ connected to V
CC
/2, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
(Note 1)
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 1.8V to 5.5V, V
EE
= V
CM
= 0, V
OUT
= V
CC
/2, R
L
= 100kΩ connected to V
CC
/2, T
A
= +25°C, unless otherwise noted.)
(Note 1)
Channel-to-Channel Isolation
Gain-Bandwidth Product
Phase Margin
Gain Margin
Slew Rate
Input Voltage-Noise Density
Input Current-Noise Density
Capacitive-Load Stability
CH
ISO
GBWP
φ
M
GM
SR
e
n
i
n
Specified at f = 10kHz (MAX4292/MAX4294 only)
f = 10kHz
f = 10kHz
A
VCL
= 1V/V, no sustained oscillations
83
500
65
12
0.2
70
0.05
100 pF
pA/√Hz
nV/√Hz
V/µs
dB
degrees
kHz
dB
mA20Sourcing or sinkingI
OUT(SC)
Output Short-Circuit Current
Output-Voltage Swing Low V
OL
Specified as
|V
EE
- V
OL
|
R
L
= 2kΩ to V
CC
/2
R
L
= 100kΩ to V
CC
/2
46 120
25 80
mV
mV
15 40
220
R
L
= 2kΩ to V
CC
/2
R
L
= 100kΩ to V
CC
/2
Specified as
|V
CC
- V
OH
|
V
OH
Output-Voltage Swing High
Large-Signal Voltage Gain A
V
V
CC
= 5.0V
V
CC
= 1.8V
R
L
= 100kΩ,
0.02V ≤ V
OUT
≤ V
CC
- 0.02V
R
L
= 2kΩ,
0.1V ≤ V
OUT
≤ V
CC
- 0.1V
R
L
= 100kΩ,
0.02V ≤ V
OUT
≤ V
CC
- 0.02V
R
L
= 2kΩ,
0.1V ≤ V
OUT
≤ V
CC
- 0.1V
80 120
80 130
80 110
80 120
dB
UNITSMIN TYP MAXCONDITIONSSYMBOLPARAMETER
270V
CC
= 5.0V
PARAMETER SYMBOL MIN TYP MAX UNITS
±2000
Input Offset Voltage V
OS
±3000
µV
Quiescent Supply Current
(Per Amplifier)
Supply-Voltage Range V
CC
1.8 5.5 V
I
Q
240
µA
CONDITIONS
MAX4292/MAX4294
MAX4291
Inferred from PSRR test
V
CC
= 1.8V