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ALD2303A Datasheet(PDF) 1 Page - Advanced Linear Devices

Part No. ALD2303A
Description  DUAL PRECISION MICROPOWER CMOS VOLTAGE COMPARATOR WITH DRIVER
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Maker  ALD [Advanced Linear Devices]
Homepage  http://www.aldinc.com
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ALD2303A Datasheet(HTML) 1 Page - Advanced Linear Devices

   
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Operating Temperature Range *
-55
°C to +125°C0°C to +70°C0°C to +70°C
8-Pin
Q8-Pin
8-Pin
CERDIP
Small Outline
Plastic Dip
Package
Package (SOIC)
Package
ALD2303A DA
ALD2303A SA
ALD2303A PA
ALD2303 DA
ALD2303 SA
ALD2303 PA
DUAL PRECISION MICROPOWER CMOS VOLTAGE COMPARATOR WITH DRIVER
ALD2303A/ALD2303
ORDERING INFORMATION
APPLICATIONS
• Sensor detection circuits
• PCMCIA instruments
• MOSFET driver
• High source impedance voltage
comparison circuits
• Multiple limit window comparator
• Power supply voltage monitor
• Photodetector sensor circuit
• High speed LED driver
• Oscillators
• Battery operated instruments
• Remote signal detection
• Multiple relay drivers
BENEFITS
• Extremely low power and high precision combination
• Built-in high input impedance buffer
• Built-in output driver with up to 60mA sink current
ADVANCED
LINEAR
DEVICES, INC.
FEATURES
• 3V, 5V and 12V supply
• Guaranteed to drive 200
Ω loads
• Fanout of 30LS TTL loads
• Guaranteed maximum supply current of
20
µA for each comparator
• Pinout of LM193 type industry standard
comparators
• Extremely low input bias currents -- 10pA
• Virtually eliminates source impedance
effects
• Single (+5V) and dual supply (
±5V)
operation
• CMOS, NMOS and TTL compatible
• Open drain wired-OR outputs
• High output sinking current -- 60mA
• Low supply current spikes
• High gain -- 100V/mV
GENERAL DESCRIPTION
The ALD2303A/ALD2303 is a precision monolithic high performance
dual voltage comparator built with advanced silicon gate CMOS tech-
nology. It features very high typical input impedance of 1012
Ω; low
input bias current of 10pA; very low power dissipation of 7.5
µA per
comparator; and single (+5V) or dual (
±5V) power supply operation.
The input voltage range includes ground, making this comparator ideal
for single supply low level signal detection with high source impedance.
The ALD2303A/ALD2303 can be used in connection with other voltage
comparator circuits such as the ALD2301/ALD2302/ALD4302 voltage
comparators. The output can be connected to a higher external voltage
than V+.
The ALD2303A/ALD2303 is ideal for high precision micropower voltage
comparator applications, especially low level signal detection circuits
requiring low standby power, yet retaining high output current
capability.
* Contact factory for industrial temperature range
PIN CONFIGURATION
BLOCK DIAGRAM
1
2
3
4
8
7
6
5
OUT 1
-IN 1
+IN 1
GND
V+
OUT 2
-IN 2
+IN 2
TOP VIEW
DA, PA, SA PACKAGE
(1) OUT 1
(7) OUT 2
(4) GND
V+
NONINVERTING INPUT
+IN 1 (3)
INVERTING INPUT
-IN 2 (6)
NONINVERTING INPUT
+IN 2 (5)
INVERTING INPUT
-IN 1 (2)
(8) V+
© 1998 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com


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