Ult ra -Lo w -P o w e r, Op e n -Dra in ,
S in g le /Du a l-S u p p ly Co m p a ra t o rs
ELECTRICAL CHARACTERISTICS: 3V OPERATION (continued)
(V+ = 5V, V- = GND = 0V, T = T
A
to T
, unless otherwise noted. Typical values are at T = +25°C.)
MIN
MAX
A
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
µV
Voltage Noise
100Hz to 100kHz
MAX9_1/MAX982/MAX9_3
T = +25°C, 100pF load,
A
20
RMS
Hysteresis Input Voltage Range
REF - 0.05
REF
V
Overdrive = 10mV
Overdrive = 100mV
12
4
Response Time
(high-to-low transition)
µs
1MΩ pull-up to V+
Response Time
(low-to-high transition) (Note 2)
T
A
= +25°C, 100pF load, 1MΩ pull-up to V+
300
µs
MAX9_2/MAX9_3, I
= 0.8mA for C/E temp. ranges,
OUT
V- + 0.4
I
= 0.6mA for M temp. range
OUT
Output Low Voltage
V
MAX9_1/MAX9_4, I
= 0.8mA for C/E temp. ranges,
OUT
GND + 0.4
100
I
= 0.6mA for M temp. range
OUT
Output Leakage Current
V
OUT
= 11V
nA
REFERENCE
C temp. range
E temp. range
M temp. range
1.170
1.182
25
1.194
1.206
1.217
Reference Voltage
Source Current
1.158
V
1.147
T
A
= +25°C
15
6
C/E temp. ranges
M temp. range
µA
µA
4
T
A
= +25°C
8
15
Sink Current
C/E temp. ranges
M temp. range
4
2
Voltage Noise
100Hz to 100kHz
100
µV
RMS
Note 1: MAX974/MAX984 comparators work below 2.5V; see Low-Voltage Operation section for more details.
Note 2: Low-to-high response time is the result of the 1MΩ pull-up and the 100pF capacitive load, based on three time constants.
A faster response time is achieved with a smaller RC.
7/1–MAX984
__________________________________________Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s
(V+ = 5V, V- = GND, T = +25°C, unless otherwise noted.)
A
OUTPUT VOLTAGE LOW
vs. LOAD CURRENT
REFERENCE OUTPUT VOLTAGE vs.
MAX971/MAX973/MAX974
REFERENCE VOLTAGE vs. TEMPERATURE
OUTPUT LOAD CURRENT
1.22
1.21
1.20
1.19
1.18
2.5
2.0
1.190
V+ = 5V
SINK
MILITARY TEMP. RANGE
EXTENDED TEMP. RANGE
1.185
1.180
SOURCE
V+ = 3V
COMMERCIAL
TEMP. RANGE
1.5
1.0
1.175
1.170
1.165
1.160
1.155
1.17
1.16
1.15
1.14
V+ = 5V
0.5
0
OR
V+ = 3V
0
4
8
12
16
20
0
5
10
15
20
25
30
-60 -40 -20
0
20 40 60 80 100 120 140
LOAD CURRENT (mA)
OUTPUT LOAD CURRENT (µA)
TEMPERATURE (°C)
4
_______________________________________________________________________________________