Datasheet

4Maxim Integrated
MAX44250/MAX44251/MAX44252
20V, Ultra-Precision, Low-Noise Op Amps
ELECTRICAL CHARACTERISTICS
(V
DD
= 3.3V, V
SS
= 0V, V
IN+
= V
IN-
= V
DD
/2, R
L
= 10kI to V
DD
/2, T
A
= -40°C to +125°C, unless otherwise noted. Typical values
are at T
A
= +25°C.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
POWER SUPPLY
Quiescent Current Per Amplifier
(MAX44250)
I
DD
R
L
= J
T
A
= +25NC 1.17 1.65
mA
-40NC < T
A
< +125NC 1.80
Quiescent Current Per Amplifier
(MAX44251/MAX44252))
I
DD
R
L
= J
T
A
= +25NC 1.1 1.5
mA
-40NC < T
A
< +125NC 1.65
Power-Up Time t
ON
25 Fs
DC SPECIFICATIONS
Input Common-Mode Range V
CM
Guaranteed by CMRR test
V
SS
-
0.05
V
DD
-
1.5
V
Common-Mode Rejection Ratio
(Note 3)
CMRR
T
A
= +25NC, V
CM
= -0.05V to (V
DD
-
1.5V)
120 129
dB
-40NC < T
A
< +125NC 117
Input Offset Voltage
(MAX44250)(Note 3)
V
OS
3 8.5 FV
Input Offset Voltage (MAX44251/
MAX44252)(Note 3)
V
OS
T
A
= +25NC 3 5.5
FV
-40NC < T
A
< +125NC 6.5
Input Offset Voltage Drift
(MAX44250)(Note 3)
TC V
OS
8 25 nV/NC
Input Offset Voltage Drift
(MAX44251/MAX44252)(Note 3)
TC V
OS
8 18 nV/NC
Input Bias Current
(MAX44250)(Note 3)
I
B
200 1450 pA
Input Bias Current (MAX44251/
MAX44252)(Note 3)
I
B
T
A
= +25NC 200 1100
pA
-40NC < T
A
< +125NC 1200
Input Offset Current (Note 3) I
OS
400 pA
Open-Loop Gain (Note 3) A
VOL
250mV P V
OUT
P V
DD
- 250mV,
R
L
= 10kI to
V
DD
/2
T
A
= +25NC 136 151
dB
-40NC < T
A
< +125NC 133
Output Short-Circuit Current To V
DD
or V
SS
Noncontinuous 58 mA
Output Voltage Low
(MAX44250)
V
OL
V
OUT
- V
SS
R
L
= 10kI to V
DD
/2 5 26
mV
R
L
= 2kI to V
DD
/2 17 46
Output Voltage Low
(MAX44251/MAX44252)
V
OL
V
OUT
- V
SS
R
L
= 10kI to V
DD
/2 5 22
mV
R
L
= 2kI to V
DD
/2 17 42
Output Voltage High V
OH
V
DD
- V
OUT
R
L
= 10kI to V
DD
/2 9 22
mV
R
L
= 2kI to V
DD
/2 29 52