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ALD4303 Datasheet(PDF) 1 Page - Advanced Linear Devices

Part No. ALD4303
Description  QUAD 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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ALD4303 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
14-Pin
14-Pin
14-Pin
CERDIP
Small Outline
Plastic Dip
Package
Package (SOIC)
Package
ALD4303ADB
ALD4303ASB
ALD4303APB
ALD4303DB
ALD4303SB
ALD4303PB
QUAD PRECISION MICROPOWER CMOS VOLTAGE COMPARATOR WITH DRIVER
ALD4303A/ALD4303
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
22
µA per comparator
• Industry standard pinout of LM393 type
• 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
• Compatible with push-pull outputs
• High output sinking current -- 60mA
• Low supply current spikes
• High gain -- 100V/mV
GENERAL DESCRIPTION
The ALD4303A/ALD4303 is a precision monolithic high performance
quad voltage comparator with open drain output built with advanced
silicon gate CMOS technology. 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; micropower
operation; high
output drive 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 ALD4303A/ALD4303 can be used in connection with other voltage
comparator circuits such as the ALD2301/ALD2302/ALD4302 voltage
comparators.
The outputs can be connected to a higher external
voltage than V+ and used in a wired-OR connection with other open
drain circuits such as ALD2301/ALD2303. They can also be used with
push-pull output types such as ALD2302/ALD4302 voltage compara-
tors simultaneously with open drain comparators using a common V+.
The ALD4303A/ALD4303 is ideal for a great variety of voltage com-
parator applications, especially micropower detection circuits requiring
very low input currents, high output currents and low standby power.
* Contact factory for industrial temperature range
PIN CONFIGURATION
BLOCK DIAGRAM
© 2005 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com
DB, PB, SB PACKAGE
+IN 1
-IN 2
+IN 2
03
04
GND
-IN 4
+IN 3
-IN 3
02
01
-IN 1
+IN 4
1
14
V+
2
3
13
12
11
10
9
8
4
5
6
7
V+
(3)
INVERTING INPUT
- IN 1 (4)
NONINVERTING INPUT
+ IN 1 (5)
NONINVERTING INPUT
+ IN 2 (7)
INVERTING INPUT
- IN 2 (6)
NONINVERTING INPUT
+ IN 3 (9)
INVERTING INPUT
- IN 3 (8)
INVERTING INPUT
- IN 4 (10)
(12)
NONINVERTING INPUT
+ IN 4 (11)
-
+
-
+
-
+
-
+
(2) OUT 1
(1) OUT 2
(14) OUT 3
(13) OUT 4


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