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MAX973CSA+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
MAX971–MAX974/MAX981–MAX984
Ultra-Low-Power, Open-Drain,
Single/Dual-Supply Comparators
______________________________________________________________________________________ 13
MAX973
MAX983
V+
7
3.3V
LOGIC
SUPPLY
10kΩ
20kΩ
2.4MΩ
LOW BATT
OUTB
8
REF
6
HYST
5
2
V-
R2
47kΩ
R1
110kΩ
STEP-DOWN
REGULATOR
3
INA+
1
OUTA
4
INB-
1MΩ
BATTERY
(4 CELLS)
953kΩ
Q1
9V DC
WALL
ADAPTER
470kΩ
DC OK
INB+
INB-
INC+
INC-
IND+
IND-
INA+
INA-
4
5
3
7
6
11
10
13
12
OUTA 2
1
16
15
8
OUTB
OUTC
OUTD
914
10kΩ
V+
GND
MAX974
MAX984
5V 3.3V
10kΩ
10kΩ
10kΩ
REF
V-
N.C.
-5V
V
INA
V
INB
V
INC
V
IND
Figure 6. Battery Switchover Circuit
Figure 7. Level Shifter: ±5V Input to Single-Ended 3.3V Output
UCSP Applications Information
For the latest application details on UCSP contruction,
dimensions, tape carrier information, printed circuit
board techniques, bump-pad layout and
recommended reflow temperature profile as well as the
latest information on reliability testing results, go to
Maxim’s web site at www.maxim-ic.com/ucsp to find
the Application Note: UCSP–A Wafer-Level Chip-Scale
Package.
MAX971–MAX974/MAX981–MAX984
Ultra-Low-Power, Open-Drain,
Single/Dual-Supply Comparators
14 ______________________________________________________________________________________
1
2
3
4
OUT
V+
REF
HYSTIN-
IN+
V-
GND
MAX971
MAX981
DIP/SO/µMAX
TOP VIEW
DIP/SO/µMAX
DIP/SO/µMAX
8
7
6
5
1
2
3
4
OUTB
V+
INB+
INB-INA-
INA+
V-
OUTA
MAX972
8
7
6
5
1
2
3
4
OUTB
V+
REF
HYSTINB+
INA+
V-
OUTA
MAX982
8
7
6
5
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
OUTC
OUTD
GND
IND+INA-
V+
OUTA
OUTB
MAX974
MAX984
IND-
INC+
INC-
V-
REF
INB+
INB-
INA+
DIP/Narrow SO
1
2
3
4
OUTB
V+
REF
HYSTINB-
INA+
V-
OUTA
MAX973
MAX983
DIP/SO/µMAX
8
7
6
5
TOP VIEW
(BUMPS ON BOTTOM)
A
B
C
12 3
OUTA
V+
OUTB
INA-
INB-
INB+V-
INA+
UCSP
MAX972
Pin Configurations
MAX971–MAX974/MAX981–MAX984
Ultra-Low-Power, Open-Drain,
Single/Dual-Supply Comparators
______________________________________________________________________________________ 15
*UCSP top mark is “ABC.”
Ordering Information (continued)
PART TEMP RANGE PIN-PACKAGE
MAX971EPA -40°C to +85°C 8 Plastic Dip
MAX971ESA -40°C to +85°C 8 SO
MAX972CPA 0°C to +70°C 8 Plastic Dip
MAX972CSA 0°C to +70°C 8 SO
MAX972CUA 0°C to +70°C 8 µMAX
MAX972EBL-T* -40°C to +85°C 8 UCSP-8
MAX972EPA -40°C to +85°C 8 Plastic Dip
MAX972ESA -40°C to +85°C 8 SO
MAX973CPA 0°C to +70°C 8 Plastic Dip
MAX973CSA 0°C to +70°C 8 SO
MAX973CUA 0°C to +70°C 8 µMAX
MAX973EPA -40°C to +85°C 8 Plastic Dip
MAX973ESA -40°C to +85°C 8 SO
MAX974CPE 0°C to +70°C 16 Plastic Dip
MAX974CSE 0°C to +70°C 16 Narrow SO
MAX974EPE -40°C to +85°C 16 Plastic Dip
MAX974ESE -40°C to +85°C 16 Narrow SO
MAX981CPA 0°C to +70°C 8 Plastic Dip
PART TEMP RANGE PIN-PACKAGE
MAX981CSA 0°C to +70°C 8 SO
MAX981CUA 0°C to +70°C 8 µMAX
MAX981EPA -40°C to +85°C 8 Plastic Dip
MAX981ESA -40°C to +85°C 8 SO
MAX982CPA 0°C to +70°C 8 Plastic Dip
MAX982CSA 0°C to +70°C 8 SO
MAX982CUA 0°C to +70°C 8 µMAX
MAX982EPA -40°C to +85°C 8 Plastic Dip
MAX982ESA -40°C to +85°C 8 SO
MAX983CPA 0°C to +70°C 8 Plastic Dip
MAX983CSA 0°C to +70°C 8 SO
MAX983CUA 0°C to +70°C 8 µMAX
MAX983EPA -40°C to +85°C 8 Plastic Dip
MAX983ESA -40°C to +85°C 8 SO
MAX984CPE 0°C to +70°C 16 Plastic Dip
MAX984CSE 0°C to +70°C 16 Narrow SO
MAX984EPE -40°C to +85°C 16 Plastic Dip
MAX984ESE -40°C to +85°C 16 Narrow SO
MAX971/MAX972/MAX973/MAX981/MAX982/MAX984
TRANSISTOR COUNT: 164
MAX974/MAX984 TRANSISTOR COUNT: 267
___________________Chip Information
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

MAX973CSA+T

Mfr. #:
Buy MAX973CSA+T
Manufacturer:
Maxim Integrated
Description:
Analog Comparators Dual Comparator / Reference
Lifecycle:
New from this manufacturer.
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