Datasheet
MAX951–MAX954
Ultra-Low-Power, Single-Supply
Op Amp + Comparator + Reference
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 2.8V to 7V for MAX951/MAX952, V
DD
= 2.4V to 7V for MAX953/MAX954, V
SS
= 0, V
CM COMP
= 0 for the MAX953/MAX954,
V
CM OPAMP
= 0, AMPOUT = (V
DD
+ V
SS
)/2, COMPOUT = low, T
A
= T
MIN
to T
MAX
, typical values are at T
A
= +25°C, unless
otherwise noted.)
MAX95_M
MAX95_E
T
A
= +25°C
MAX953/MAX954, V
DD
= 2.4V to 7V
MAX95_MJA
MAX951/MAX952, V
DD
= 2.8V to 7V
MAX95_EUA (µMAX)
MAX95_EPA/ESA
T
A
= +25°C
I
OUT
= ±20µA, T
A
= +25°C
MAX95_MJA
0.1Hz to 10Hz
MAX95_EUA (µMAX)
MAX95_EPA/ESA
C
L
= 100pF, T
A
=
+25°C, V
DD
- V
SS
= 5V
I
SOURCE
= 2mA
I
SINK
= 1.8mA
I
OUT
= ±3µA, MAX95_M
I
OUT
= ±6µA, MAX95_E
CONDITIONS
100 1000
nA
0.003 40
I
B
Input Bias Current 0.003 5
0.003 0.050
mV
5
V
OS
Input Offset Voltage
5
4
13
µV
P-P
16e
n
Voltage Noise
%
1.5
Load Regulation
1.5
22
mV/V
0.05 1
PSRR
0.05 1
Power-Supply Rejection Ratio
0.1
V
1.164 1.200 1.236
V
REF
Reference Voltage
(Note 5)
1.130 1.200 1.270
1.176 1.200 1.224
µs
4
t
pd
Response Time
VV
DD
- 0.4VV
OH
Output High Voltage
VV
SS
+ 0.4VV
OL
Output Low Voltage
UNITSMIN TYP MAXSYMBOLPARAMETER
50
10
40 150
25
5
A
V
= 1V/V, MAX951/MAX953, V
DD
- V
SS
= 5V 20
Gain Bandwidth GBW
A
V
= 10V/V, MAX952/MAX954, V
DD
- V
SS
= 5V 125
kHz
A
V
= 1V/V, MAX951/MAX953, V
DD
- V
SS
= 5V 12.5
Slew Rate SR
A
V
= 10V/V, MAX952/MAX954, V
DD
- V
SS
= 5V 66
V/ms
0.07 1.0
Power-Supply Rejection Ratio PSRR
V
DD
= 2.4V to 7V, MAX953/MAX954 0.07 1.0
mV/V
e
n
f
o
= 1kHz 80
nV√Hz
V
OD
= 10mV
V
OD
= 100mV
T
A
= +25°C
MAX95_E
MAX95_M
T
A
= +25°C
MAX95_E
MAX95_M
V
DD
= 2.8V to 7V, MAX951/MAX952
Input Noise Voltage
f
o
= 0.1Hz to 10Hz 1.2 µV
P-P
AMPOUT = 0.5V to
4.5V, V
DD
- V
SS
= 5V
A
VOL
Large-Signal Gain
(No Load)
V/mV
AMPOUT = 0.5V to
4.5V, V
DD
- V
SS
= 5V
A
VOL
Large-Signal Gain
(100kΩ Load to V
SS
)
V/mV
Common-Mode Input Range CMVR V
SS
V
DD
- 1.6 V
Common-Mode Rejection Ratio CMRR V
CM OPAMP
= V
SS
to (V
DD
- 1.6V) 0.03 1 mV/V
REFERENCE
OP AMP