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PDF AU2903N Data sheet ( Hoja de datos )
| Número de pieza | AU2903N | |
| Descripción | Low power dual voltage comparator | |
| Fabricantes | 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
1 page  
Philips Semiconductors Linear Products
Low power dual voltage comparator
TYPICAL PERFORMANCE CHARACTERISTICS
Input Current
80
VIN (CM) = 0 VDC
RIN (CM) = 10kΩ
60
TA = -55oC
TA = 0oC
40
20
TA = +125oC
TA = +25oC
TA = +70oC
0 10 20 30 40
v + — SUPPLY VOLTAGE — VDC
Response Time for Various
Input Overdrives —
Negative Transition
6
5mV = INPUT OVERDRIVE
5 + 5V
4 20mV
3
2
1 100mV
VIN
–
+
5.1K
VOUT
0
0
–50 OVERDRIVE
–100
0
TA = 25oC
0.5 1.0 1.5
TIME — µ sec
2.0
Product specification
AU2903
Output Saturation Voltage
10
OUT OF
SATURATION
1.0
TA = +125oC
0.1
TA = -55oC
0.01
0.001
0.01
TA = +25o
0.1 1.0 10
100
IO — OUTPUT SINK CURRENT (mA)
Response Time for Various
Input Overdrives —
Positive Transition
6
INPUT OVERDRIVE = 100mV
5
4
5mV
3
2
1
0
0
–50
–100
20mV
+ 5V
VIN
TA = 25oC
–
+
5.1K
VOUT
OVERDRIVE
0 0.5 1.0 1.5 2.0
TIME — µ sec
August 31, 1994
304
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet AU2903N.PDF ] | |
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