Datasheet

4Maxim Integrated
MAX44244/MAX44245/MAX44248
36V, Precision, Low-Power, 90µA,
Single/Quad/Dual Op Amps
ELECTRICAL CHARACTERISTICS
(V
DD
= 30V, V
SS
= 0V, V
IN+
= V
IN-
= V
DD
/2, R
L
= 5kI to V
DD
/2, T
A
= -40NC to +125NC, unless otherwise noted. Typical values are
at +25NC.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
POWER SUPPLY
Quiescent Current Per Amplifier
(MAX44244 Only)
I
DD
T
A
= +25NC 100 160
FA
-40NC < T
A
< +125NC 190
Quiescent Current Per Amplifier
(MAX44245/MAX44248 Only)
I
DD
T
A
= +25NC 90 130
FA
-40NC < T
A
< +125NC 145
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
= V
SS
- 0.05V to V
DD
-
1.5V
130 140
dB
-40NC < T
A
< +125NC, V
CM
= V
SS
- 0.05V
to V
DD
- 1.5V
126
Input Offset Voltage (Note 3) V
OS
T
A
= +25NC 2 7.5
FV
-40NC < T
A
< +125NC 10
Input Offset Voltage Drift
(Note 3)
TC V
OS
10 30 nV/°C
Input Bias Current (Note 3) I
B
T
A
= +25NC 150 300
pA
-40NC < T
A
< +125NC 700
Input Offset Current (Note 3) I
OS
T
A
= +25NC 300 600
pA
-40NC < T
A
< +125NC 1400
Open-Loop Gain (Note 3) A
VOL
V
SS
+ 0.5V P V
OUT
P V
DD
- 0.5V
T
A
= +25NC 146 150
dB
-40NC < T
A
< +125NC 140
Output Short-Circuit Current To V
DD
or V
SS
, noncontinuous 40 mA
Output Voltage Swing
V
DD
-
V
OUT
T
A
= +25NC 200
mV
-40NC < T
A
< +125NC 270
V
OUT
-
V
SS
T
A
= +25NC 140
-40NC < T
A
< +125NC 220
AC SPECIFICATIONS
Input Voltage-Noise Density e
N
f = 1kHz 50 nV/√Hz
Input Voltage Noise 0.1Hz < f < 10Hz 500 nV
P-P
Input Current-Noise Density i
N
f = 1kHz 0.1 pA/√Hz
Gain-Bandwidth Product GBW 1 MHz