Storage Temperature Range .............................-65°C to +165°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Electrical Characteristics
(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 other-
wise noted.)
PARAMETER
Supply Voltage Range
SYMBOL
V
DD
MAX951/MAX952
MAX953/MAX954
T
A
= +25°C, MAX951/MAX952
MAX951E/MAX952E
Supply Current
(Note 1)
I
S
MAX951M/MAX952M
T
A
= +25°C, MAX953/MAX954
MAX953E/MAX954E
MAX953M/MAX954M
COMPARATOR
T
A
= +25°C
Input Offset Voltage
(Note 2)
V
OS
MAX95_EPA/ESA
MAX95_EUA (μMAX)
MAX95_MJA
T
A
= +25°C
Trip Point
(Note 3)
MAX95_EUA (μMAX)
MAX95_EPA/ESA
MAX95_MJA
Input Leakage Current
(Note 4)
T
A
= +25°C
MAX95_E
MAX95_M
4
17
5
7
0.003
0.003
0.050
5
40
nA
mV
1
3
14
14
6
mV
5
CONDITIONS
T
A
= T
MIN
to T
MAX
T
A
= -10°C to +85°C
MIN
2.8
2.7
2.4
7
TYP
MAX
7.0
7.0
7.0
10
11
13
8
9
11
µA
V
UNITS
www.maximintegrated.com
Maxim Integrated
│
2
MAX951–MAX954
Ultra-Low-Power, Single-Supply
Op Amp + Comparator + Reference
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 other-
wise noted.)
PARAMETER
Common-Mode Input
Range
Common-Mode Rejection
Ratio
Power-Supply Rejection
Ratio
Response Time
Output High Voltage
Output Low Voltage
REFERENCE
Reference Voltage
(Note 5)
MAX95_EPA/ESA
V
REF
MAX95_EUA (μMAX)
MAX95_MJA
I
OUT
= ±20μA, T
A
= +25°C
Load Regulation
Voltage Noise
OP AMP
T
A
= +25°C
Input Offset Voltage
V
OS
MAX95_EPA/ESA
MAX95_EUA (μMAX)
MAX95_MJA
T
A
= +25°C
Input Bias Current
I
B
MAX95_E
MAX95_M
Large-Signal Gain
(No Load)
A
VOL
AMPOUT = 0.5V to
4.5V, V
DD
- V
SS
= 5V
AMPOUT = 0.5V to
4.5V, V
DD
- V
SS
= 5V
T
A
= +25°C
MAX95_E
MAX95_M
T
A
= +25°C
MAX95_E
MAX95_M
100
50
10
40
25
5
20
125
kHz
150
V/mV
0.003
0.003
0.003
1000
V/mV
1
3
4
5
5
0.050
5
40
nA
mV
e
n
I
OUT
= ±6μA, MAX95_E
I
OUT
= ±3μA, MAX95_M
0.1Hz to 10Hz
16
1.176
1.130
1.164
1.200
1.200
1.200
0.1
1.5
1.5
μV
P-P
%
1.224
1.270
1.236
V
SYMBOL
CMVR
CMRR
PSRR
t
pd
V
OH
V
OL
V
SS
to (V
DD
- 1.6V), MAX953/MAX954
MAX951/MAX952, V
DD
= 2.8V to 7V
MAX953/MAX954, V
DD
= 2.4V to 7V
C
L
= 100pF, T
A
= +25°C,
V
DD
- V
SS
= 5V
I
SOURCE
= 2mA
I
SINK
= 1.8mA
V
OD
= 10mV
V
OD
= 100mV
V
DD
- 0.4V
V
SS
+ 0.4V
CONDITIONS
MIN
V
SS
0.1
0.05
0.05
22
4
TYP
MAX
V
DD
-1.6V
1
1
1
UNITS
V
mV/V
mV/V
µs
V
V
Large-Signal Gain
(100kΩ Load to V
SS
)
Gain Bandwidth
A
VOL
GBW
A
V
= 1V/V, MAX951/MAX953, V
DD
- V
SS
= 5V
A
V
= 10V/V, MAX952/MAX954, V
DD
- V
SS
= 5V
www.maximintegrated.com
Maxim Integrated
│
3
MAX951–MAX954
Ultra-Low-Power, Single-Supply
Op Amp + Comparator + Reference
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 other-
wise noted.)
PARAMETER
Slew Rate
Common-Mode Input
Range
Common-Mode Rejection
Ratio
Power-Supply Rejection
Ratio
Input Noise Voltage
Output High Voltage
Output Low Voltage
SYMBOL
SR
CMVR
CMRR
PSRR
e
n
V
OH
V
OL
I
SRC
V
CM OPAMP
= V
SS
to (V
DD
- 1.6V)
V
DD
= 2.8V to 7V, MAX951/MAX952
V
DD
= 2.4V to 7V, MAX953/MAX954
f
o
= 1kHz
f
o
= 0.1Hz to 10Hz
R
L
= 100kΩ to V
SS
R
L
= 100kΩ to V
SS
T
A
= +25°C
Output Source Current
T
A
= +25°C, V
DD
- V
SS
= 5V
MAX95_E
MAX95_M
T
A
= +25°C
Output Sink Current
I
SNK
T
A
= +25°C, V
DD
- V
SS
= 5V
MAX95_E
MAX95_M
70
300
60
40
70
200
50
30
570
µA
820
µA
CONDITIONS
A
V
= 1V/V, MAX951/MAX953, V
DD
- V
SS
= 5V
A
V
= 10V/V, MAX952/MAX954, V
DD
- V
SS
= 5V
V
SS
0.03
0.07
0.07
80
1.2
V
DD
- 500mV
V
SS
+ 50mV
MIN
TYP
12.5
66
V
DD
- 1.6
1
1.0
1.0
MAX
UNITS
V/ms
V
mV/V
mV/V
nV√Hz
μV
P-P
V
V
Note 1:
Supply current is tested with COMPIN+ = (REF - 100mV) for MAX951/MAX952, and COMPIN+ = 0 for MAX953/MAX954.
Note 2:
Input Offset Voltage is defined as the center of the input-referred hysteresis. VCM COMP
= REF for MAX951/MAX952, and
VCM COMP = 0 for MAX953/MAX954.
Note 3:
Trip Point is defined as the differential input voltage required to make the comparator output change. The difference
between upper and lower trip points is equal to the width of the input-referred hysteresis. VCM COMP
= REF for MAX951/
MAX952, and VCM COMP = 0 for MAX953/MAX954.
Note 4:
For MAX951/MAX952, input leakage current is measured for COMPIN- at the reference voltage. For MAX953/MAX954,
input leakage current is measured for both COMPIN+ and COMPIN- at VSS.
Note 5:
Reference voltage is measured with respect to V
SS
. Contact factory for availability of a 3% accurate reference voltage in
1 Introduction
In the mid-1960s, American scientist Maas conducted extensive experimental research on the charging process of open-cell batteries and proposed an acceptable charging curve for ...[详细]
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