MAX921–MAX924
Ultra Low-Power,
Single/Dual-Supply Comparators
______________________________________________________________________________________ 13
INB+
INB-
INC+
INC-
IND+
IND-
INA+
INA-
OUTA
OUTB
OUTC
OUTD
5
4
7
6
11
10
13
12
750mV
1V
500mV
250mV
250k
250k
250k
250k
182k
9
2
1
16
15
REF
8
V-
V+
GND
14
MAX924
3
+5V
V
IN
R1
R2
1.182V
330Ω
330Ω
330Ω
330Ω
INB+
INB-
INC+
INC-
IND+
IND-
INA+
INA-
OUTA
OUTB
OUTC
OUTD
10k
V+
GND
MAX924
+5V
10k
10k
10k
REF
V-
N.C.
-5V
0 FOR V
INA
< 0V
1 FOR V
INB
> 0V
V
INA
V
INB
V
INC
V
IND
Figure 7. Bar-Graph Level Gauge Figure 8. Level Shifter: ±5V Input to CMOS Output
MAX921–MAX924
Ultra Low-Power,
Single/Dual-Supply Comparators
14 ______________________________________________________________________________________
1
2
3
4
8
7
6
5
OUT
V+
REF
HYST
IN-
IN+
V-
GND
MAX921
DIP/SO/μMAX
TOP VIEW
1
2
3
4
8
7
6
5
OUTB
V+
INB+
INB-
INA-
INA+
V-
OUTA
MAX922
DIP/SO/μMAX
1
2
3
4
8
7
6
5
OUTB
V+
REF
HYST
INB-
INA+
V-
OUTA
MAX923
DIP/SO/μMAX
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
OUTC
OUTD
GND
IND+
INA-
V+
OUTA
OUTB
MAX924
IND-
INC+
INC-
V-
REF
INB+
INB-
INA+
DIP/Narrow SO
_________________Pin Configurations _Ordering Information (continued)
*Dice are tested at T
A
= +25°C, DC parameters only.
**Contact factory for availability.
PART
TEMP RANGE
PIN-PACKAGE
MAX921MSA/PR
-55°C to +125°C
8 SO**
MAX921MSA/PR-T
-55°C to +125°C
8 SO**
MAX922CPA 0°C to +70°C 8 Plastic DIP
MAX922CSA 0°C to +70°C 8 SO
MAX922CUA 0°C to +70°C 8 µMAX
MAX922C/D 0°C to +70°C Dice*
MAX922EPA
-40°C to +85°C
8 Plastic DIP
MAX922ESA
-40°C to +85°C
8 SO
MAX922MJA
-55°C to +125°C
8 CERDIP**
MAX922MSA/PR
-55°C to +125°C
8 SO**
MAX922MSA/PR-T
-55°C to +125°C
8 SO**
MAX923CPA 0°C to +70°C 8 Plastic DIP
MAX923CSA 0°C to +70°C 8 SO
MAX923CUA 0°C to +70°C 8 µMAX
MAX923C/D 0°C to +70°C Dice*
MAX923EPA
-40°C to +85°C
8 Plastic DIP
MAX923ESA
-40°C to +85°C
8 SO
MAX923MJA
-55°C to +125°C
8 CERDIP**
MAX923MSA/PR
-55°C to +125°C
8 SO**
MAX923MSA/PR-T
-55°C to +125°C
8 SO**
MAX924CPE 0°C to +70°C 16 Plastic DIP
MAX924CSE 0°C to +70°C 16 Narrow SO
MAX924C/D 0°C to +70°C Dice*
MAX924EPE
-40°C to +85°C
16 Plastic DIP
MAX924ESE
-40°C to +85°C
16 Narrow SO
MAX924MJE
-55°C to +125°C
16 CERDIP**
MAX924MSE/PR
-55°C to +125°C
16 Narrow SO**
MAX924MSE/PR-T
-55°C to +125°C
16 Narrow SO**
MAX921–MAX924
Ultra Low-Power,
Single/Dual-Supply Comparators
______________________________________________________________________________________ 15
__________________________________________________________Chip Topographies
9
8
6
7
1
2
3
4
0.075"
(1.91mm)
0.059"
(1.50mm)
5
10
GND
IND+
INC+
IND-
V+
INA+
INA-
INB-
OUTA
OUTB OUTC
OUTD
INC-REFINB+
V-
0.108"
(2.74mm)
0.069"
(1.75mm)
TRANSISTOR COUNT: 164
SUBSTRATE CONNECTED TO V+
TRANSISTOR COUNT: 267
SUBSTRATE CONNECTED TO V+
DIE PAD MAX921 MAX922 MAX923
1 GND OUTA OUTA
2 V-V-V-
3 V-V-V-
4 IN+ INA+ INA+
5 IN- INA- INB-
6 HYST INB- HYST
7 REF INB+ REF
8 V+V+V+
9 V+V+V+
10 OUT OUTB OUTB
MAX921/MAX922/MAX923 MAX924

MAX921CSA-TG077

Mfr. #:
Manufacturer:
Maxim Integrated
Description:
Analog Comparators Single Comparator w/1% Precision Ref
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union