Philips Semiconductors Linear Products
Product specification
Low power dual voltage comparator
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.
PIN CONFIGURATION
D and N Packages
OUTPUT A
INVERTING INPUT A
NON鈥揑NVERTING INPUT A
GND
1
2
3
4
A
B
8
7
6
5
V+
OUTPUT B
INVERTING INPUT B
NON鈥揑NVERTING INPUT B
FEATURES
TOP VIEW
鈥?/div>
Wide single supply voltage range 2.0V
DC
to 36V
DC
or dual
鈥?/div>
Very low supply current drain (0.8mA) independent of supply
鈥?/div>
Low input biasing current 25nA
鈥?/div>
Low input offset current
鹵5nA
and offset voltage
鹵2mV
鈥?/div>
Input common-mode voltage range includes ground
鈥?/div>
Differential input voltage range equal to the power supply voltage
鈥?/div>
Low output 250mV at 4mA saturation voltage
鈥?/div>
Output voltage compatible with TTL, DTL, ECL, MOS and CMOS
logic systems
鈥?INPUT
Q8
Q7
Q5
Q6
supplies
鹵1.0V
DC
, to
鹵18V
DC
EQUIVALENT CIRCUIT
V
+
voltage (2.0mW/comparator at 5.0V
DC
)
3.5碌A(chǔ)
100碌A(chǔ)
3.5碌A(chǔ)
100碌A(chǔ)
Q2
Q3
Q4
OUTPUT
+
INPUT
Q1
APPLICATIONS
鈥?/div>
A/D converters
鈥?/div>
Wide range VCO
鈥?/div>
MOS clock generator
鈥?/div>
High voltage logic gate
鈥?/div>
Multivibrators
ORDERING INFORMATION
DESCRIPTION
8-Pin Plastic Small Outline (SO) Package
8-Pin Plastic Dual In-Line Package (DIP)
TEMPERATURE RANGE
-40擄C to +125擄C
-40擄C to +125擄C
(1 Comparator Only)
ORDER CODE
AU2903D
AU2903N
DWG #
0174C
0404B
August 31, 1994
300
853-1636 13721
AU2903相關(guān)型號PDF文件下載
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