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NXP Semiconductors - Low power dual voltage comparator

Numéro de référence AU2903N
Description Low power dual voltage comparator
Fabricant NXP Semiconductors 
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Philips Semiconductors Linear Products
Low power dual voltage comparator
Product specification
AU2903
DESCRIPTION
The AU2903 consists of two independent precision voltage
comparators with an offset voltage specification as low as 2.0mV
max. for two comparators which were designed specifically to
operate from a single power supply over a wide range of voltages.
Operation from split power supplies is also possible and the low
power supply current drain is independent of the magnitude of the
power supply voltage. These comparators also have a unique
characteristic in that the input common-mode voltage range includes
ground, even though operated from a single power supply voltage.
FEATURES
Wide single supply voltage range 2.0VDC to 36VDC or dual
supplies ±1.0VDC, to ±18VDC
Very low supply current drain (0.8mA) independent of supply
voltage (2.0mW/comparator at 5.0VDC)
Low input biasing current 25nA
Low input offset current ±5nA and offset voltage ±2mV
Input common-mode voltage range includes ground
Differential input voltage range equal to the power supply voltage
Low output 250mV at 4mA saturation voltage
Output voltage compatible with TTL, DTL, ECL, MOS and CMOS
logic systems
APPLICATIONS
A/D converters
Wide range VCO
MOS clock generator
High voltage logic gate
Multivibrators
PIN CONFIGURATION
D and N Packages
OUTPUT A 1
INVERTING INPUT A 2
NON–INVERTING INPUT A 3
GND 4
AB
8 V+
7 OUTPUT B
6 INVERTING INPUT B
5 NON–INVERTING INPUT B
TOP VIEW
EQUIVALENT CIRCUIT
V+
3.5µA
100µA 3.5µA 100µA
+ INPUT
Q2
Q1
– INPUT
Q5
Q3
Q4
Q6
OUTPUT
Q8
Q7
(1 Comparator Only)
ORDERING INFORMATION
DESCRIPTION
8-Pin Plastic Small Outline (SO) Package
8-Pin Plastic Dual In-Line Package (DIP)
TEMPERATURE RANGE
-40°C to +125°C
-40°C to +125°C
ORDER CODE
AU2903D
AU2903N
DWG #
0174C
0404B
August 31, 1994
300 853-1636 13721

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