MAX908 Datasheet PDF


Part Number

MAX908

Description

Single/Dual/Quad High-Speed / Ultra Low-Power / Single-Supply TTL Comparators

Manufacture

Maxim

Total Page 12 Pages
PDF Download
Download MAX908 Datasheet PDF


Features Datasheet pdf 19-0129; Rev. 3; 7/94 Single/Dual/Quad High-Speed, Ultra Low-Power, Single-Sup ply TTL Comparators _______________Gene ral Description The MAX907/MAX908/MAX90 9 dual, quad, and single high-speed, ul tra low-power voltage comparators are d esigned for use in systems powered from a single +5V supply; the MAX909 also a ccepts dual ±5V supplies. Their 40ns p ropagation delay (with 5mV input overdr ive) is achieved with a power consumpti on of only 3.5mW per comparator. The wi de input commonmode range extends from 200mV below ground (below the negative supply rail for the MAX909) to within 1 .5V of the positive supply rail. Becaus e they are micropower, high-speed compa rators that operate from a single +5V.
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MAX908 Datasheet
19-0129; Rev. 3; 7/94
Single/Dual/Quad High-Speed, Ultra Low-Power,
Single-Supply TTL Comparators
_______________General Description
The MAX907/MAX908/MAX909 dual, quad, and single
high-speed, ultra low-power voltage comparators are
designed for use in systems powered from a single
+5V supply; the MAX909 also accepts dual ±5V sup-
plies. Their 40ns propagation delay (with 5mV input
overdrive) is achieved with a power consumption of
only 3.5mW per comparator. The wide input common-
mode range extends from 200mV below ground (below
the negative supply rail for the MAX909) to within 1.5V
of the positive supply rail.
Because they are micropower, high-speed compara-
tors that operate from a single +5V supply and include
built-in hysteresis, these devices replace a variety of
older comparators in a wide range of applications.
MAX907/MAX908/MAX909 outputs are TTL compati-
ble, requiring no external pull-up circuitry. All inputs
and outputs can be continuously shorted to either sup-
ply rail without damage. These easy-to-use compara-
tors incorporate internal hysteresis to ensure clean out-
put switching even when the devices are driven by a
slow-moving input signal.
The MAX909 features complementary outputs and an
output latch. A separate supply pin for extending the
analog input range down to -5V is also provided.
The dual MAX907 and single MAX909 are available in
8-pin DIP and small-outline packages, and the quad
MAX908 is available in 14-pin DIP and small-outline
packages. These comparators are ideal for single
+5V-supply applications that require the combination
of high speed, precision, and ultra-low power
dissipation.
_______________________Applications
Battery-Powered Systems
High-Speed A/D Converters
High-Speed V/F Converters
Line Receivers
Threshold Detectors/Discriminators
High-Speed Sampling Circuits
Zero Crossing Detectors
___________________________Features
o 40ns Propagation Delay
o 700µA (3.5mW) Supply Current per Comparator
o Single 4.5V to 5.5V Supply Operation
(or ±5V, MAX909 only)
o Wide Input Range Includes Ground
(or -5V, MAX909 only)
o Low, 500µV Offset Voltage
o Internal Hysteresis Provides Clean Switching
o TTL-Compatible Outputs
(Complementary on MAX909)
o Input and Output Short-Circuit Protection
o Internal Latch (MAX909 only)
______________Ordering Information
PART
MAX907CPA
TEMP. RANGE
0°C to +70°C
PIN-PACKAGE
8 Plastic DIP
MAX907CSA
0°C to +70°C
8 SO
MAX907C/D
0°C to +70°C
Dice*
MAX907EPA
-40°C to +85°C
8 Plastic DIP
MAX907ESA
-40°C to +85°C
8 SO
MAX907MJA
-55°C to +125°C
8 CERDIP
Ordering Information continued on last page.
* Dice are specified at +25°C, DC parameters only.
_________________Pin Configurations
TOP VIEW
OUTA 1
INA- 2
INA+ 3
GND 4
MAX907
DIP/SO
8 V+
7 OUTB
6 INB-
5 INB+
OUTA 1
INA- 2
INA+ 3
V+ 4
INB+ 5
INB- 6
OUTB 7
MAX908
DIP/SO
Pin Configurations continued on last page.
14 OUTD
13 IND-
12 IND+
11 GND
10 INC+
9 INC-
8 OUTC
________________________________________________________________ Maxim Integrated Products 1
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