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ALD4302A Datasheet(PDF) 1 Page - Advanced Linear Devices

Part No. ALD4302A
Description  QUAD PRECISION CMOS VOLTAGE COMPARATOR WITH PUSH-PULL DRIVER
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Maker  ALD [Advanced Linear Devices]
Homepage  http://www.aldinc.com
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ALD4302A Datasheet(HTML) 1 Page - Advanced Linear Devices

   
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BLOCK DIAGRAM
APPLICATIONS
• MOSFET driver
• High source impedance voltage
comparison circuits
• Multiple limit window comparator
• Power supply voltage monitor
• Photo-detector sensor circuit
• High speed LED driver
• Oscillators
• Battery operated instruments
• Remote signal detection
• Multiple relay drivers
FEATURES
• Guaranteed to drive 200
Ω loads
• Fanout of 30 LS TTL loads
• Low supply current of 150
µA each comparator
• Extremely low input bias currents -- 10pA
• Virtually eliminates source impedance effects
• Low operating supply voltage of 3V to 12V
• Single +5V and dual supply
±5V operation
• High speed for both large and small signals -
120ns for TTL inputs and 400ns for 5mV overdrive
• CMOS, NMOS and TTL compatible
• Push-pull outputs
• High output sinking current -- 60mA
• Low supply current spikes
• High gain -- 100V/mV
GENERAL DESCRIPTION
The ALD4302 is a monolithic high performance quad voltage comparator
built with advanced silicon gate CMOS technology. It features very high
typical input impedance of 1012
Ω; low input bias current of 10pA; fast
response time of 120ns; very low power dissipation of 150
µA per compara-
tor; 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
outputs can source and sink current, allowing application flexibility, and can
be used in either wired-OR connection without pull up resistor or push-pull
configuration. The ALD4302 can be used in wired-OR connection with
other open drain circuits such as the ALD2301 and ALD2303 voltage
comparators.
The ALD4302 is ideal for a great variety of precision voltage comparator
applications, especially low level signal detection circuits requiring low
standby power, yet retaining high output current capability.
ADVANCED
LINEAR
DEVICES, INC.
QUAD PRECISION CMOS VOLTAGE COMPARATOR WITH PUSH-PULL DRIVER
ALD4302A/ALD4302
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
ALD4302A DB
ALD4302A SB
ALD4302A PB
ALD4302 DB
ALD4302 SB
ALD4302 PB
PIN CONFIGURATION
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
* Contact factory for industrial temperature range
ORDERING INFORMATION
© 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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