Datasheet MAX907, MAX908, MAX909 (Maxim) - 2

19-0129; Rev 7; 1/06
Dual/Quad/Single, High-Speed, Ultra-Low-Power, Single-Supply TTL Comparators MAX907/MAX908/MAX909 General Description Features
The MAX907/MAX908/MAX909 are dual/quad/single, ♦
40ns Propagation Delay
high-speed, ultra-low-power voltage comparators ♦
700µA (3.5mW) Supply Current per Comparator
designed for use in systems powered from a single ♦
Single 4.5V to 5.5V Supply Operation
+5V supply; the MAX909 also accepts dual ±5V sup-
(or ±5V, MAX909 only)
plies. Their 40ns propagation delay (with 5mV input ♦
Wide Input Range Includes Ground
overdrive) is achieved with a power consumption of
(or -5V, MAX909 only)
only 3.5mW per comparator. The wide input common- mode range extends from 200mV below ground (below ♦
Low, 500µV Offset Voltage
the negative supply rail for the MAX909) to within 1.5V ♦
Internal Hysteresis Provides Clean Switching
of the positive supply rail. ♦
TTL-Compatible Outputs
Because they are micropower, high-speed compara-
(Complementary on MAX909)
tors that operate from a single +5V supply and include ♦
Input and Output Short-Circuit Protection
built-in hysteresis, these devices replace a variety of ♦
Internal Latch (MAX909 only)
older comparators in a wide range of applications. MAX907/MAX908/MAX909 outputs are TTL-compatible,
Ordering Information
requiring no external pullup circuitry. All inputs and out- puts can be continuously shorted to either supply rail
PART TEMP RANGE PIN-PACKAGE
without damage. These easy-to-use comparators incor-
MAX907
CPA 0°C to +70°C 8 Plastic DIP porate internal hysteresis to ensure clean output switch- MAX907CSA 0°C to +70°C 8 SO ing even when the devices are driven by a slow-moving input signal. MAX907EPA -40°C to +85°C 8 Plastic DIP MAX907ESA -40°C to +85°C 8 SO The MAX909 features complementary outputs and an output latch. A separate supply pin for extending the MAX907MSA/PR* -55°C to +125°C 8 SO analog input range down to -5V is also provided.
Ordering Information continued at end of data sheet.
The dual MAX907 and single MAX909 are available in *Go to www.maxim-ic.com/PR-1 for details on high-reliability 8-pin DIP and SO packages, and the quad MAX908 is plastic processing. available in 14-pin DIP and SO packages. These com-
Pin Configurations
parators are ideal for single +5V-supply applications that require the combination of high speed, precision, TOP VIEW and ultra-low power dissipation. OUTA 1 8 V+
Applications
INA- 2 7 OUTB Battery-Powered Systems INA+ 3 6 INB- High-Speed A/D Converters GND 4 5 INB+ MAX907 High-Speed V/F Converters
DIP/SO
Line Receivers Threshold Detectors/Discriminators OUTA 1 14 OUTD High-Speed Sampling Circuits INA- 2 13 IND- Zero-Crossing Detectors INA+ 3 12 IND+ V+ 4 MAX908 11 GND INB+ 5 10 INC+ INB- 6 9 INC- OUTB 7 8 OUTC
DIP/SO
Pin Configurations continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Document Outline not-recomm-data-sheet-cover.pdf Not Recommended for New Designs not-recomm-data-sheet-coverMAX909.pdf Not Recommended for New Designs