ald4302 Advanced Linear Devices Inc (ALD), ald4302 Datasheet

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ald4302

Manufacturer Part Number
ald4302
Description
Quad Precision Cmos Voltage Comparator With Push-pull Driver
Manufacturer
Advanced Linear Devices Inc (ALD)
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
ald4302APBL
Manufacturer:
Advanced Linear Devices Inc
Quantity:
135
Part Number:
ald4302PBL
Manufacturer:
Advanced Linear Devices Inc
Quantity:
135
Part Number:
ald4302SB
Quantity:
53
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 10
response time of 120ns; very low power dissipation of 150 A 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.
FEATURES
• Guaranteed to drive 200 loads
• Fanout of 30 LS TTL loads
• Low supply current of 150 A 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 -
• CMOS, NMOS and TTL compatible
• Push-pull outputs
• High output sinking current -- 60mA
• Low supply current spikes
• High gain -- 100V/mV
ORDERING INFORMATION
* Contact factory for industrial temperature range
© 2005.1 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com
120ns for TTL inputs and 400ns for 5mV overdrive
-55 C to +125 C
14-Pin
CERDIP
Package
ALD4302A DB
ALD4302 DB
QUAD PRECISION CMOS VOLTAGE COMPARATOR WITH PUSH-PULL DRIVER
A
L
D
INEAR
DVANCED
EVICES,
Operating Temperature Range*
I
NC.
0 C to 70 C
14-Pin
Small Outline
Package( SOIC)
ALD4302A SB
ALD4302 SB
12
; low input bias current of 10pA; fast
0 C to +70 C
14-Pin
Plastic Dip
Package
ALD4302A PB
ALD4302 PB
PIN CONFIGURATION
APPLICATIONS
• MOSFET driver
• High source impedance voltage
• 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
BLOCK DIAGRAM
comparison circuits
NONINVERTING INPUT
NONINVERTING INPUT
NONINVERTING INPUT
NONINVERTING INPUT
+IN
+IN
-IN
-IN
V
02
01
INVERTING INPUT
INVERTING INPUT
INVERTING INPUT
INVERTING INPUT
+
2
2
1
1
- IN
+ IN
4
1
2
3
5
6
7
+ IN
+ IN
+ IN
- IN
- IN
- IN
DB, PB, SB PACKAGE
4
4
1
2
2
3
1
3
(10)
(11)
(4)
(5)
(6)
(7)
(8)
(9)
ALD4302A/ALD4302
+
+
+
+
-
-
-
-
(12)
V
+
(3)
14
13
12
10
11
9
8
(1) OUT
(2) OUT
(14) OUT
(13) OUT
+IN
+IN
03
GND
-IN
-IN
04
4
3
4
3
2
1
3
4

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ald4302 Summary of contents

Page 1

... 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. ...

Page 2

... V OL Voltage Low Level Output Current High Level Output V 3.5 OH Voltage Response Time Notes: Consists of junction leakage currents 2 Sample tested parameters ALD4302/ALD4302 PB, SB package DB package 4302A Typ Max Min 6 1 600 1000 100 200 800 10 200 1000 + -1.5 V -0.3 ...

Page 3

... V = 2.5V S -0.5 -1.0 0.5 V- -0.5 -55 - TEMPERATURE ( C) SATURATION VOL TAGE vs. SINK CURRENT 1 2.5V S 1.2 0.9 125 0.6 0.3 0 OUTPUT SINK CURRENT (mA) ALD4302/ALD4302 75 100 125 50 75 100 125 25 C - Advanced Linear Devices TRANSFER FUNCTION +6 5.1K L 0.0 -6.0 -2.5 0.0 DIFFERENTIAL INPUT VOLTAGE (mV) RESPONSE TIME FOR VARIOUS ...

Page 4

... TEMPERATURE ( C) OUTPUT HIGH VOLTAGE vs. SUPPLY VOLTAGE + SUPPLY VOLTAGE (V) ALD4302/ALD4302 8.0 10 100 125 -2mA Advanced Linear Devices SUPPLY CURRENT vs. TEMPERATURE 1000 V 900 S No Load ...

Page 5

... ZERO CROSSING DETECTOR + -5V 1/4 ALD4302 MULTIPLE RELAY DRIVE +5V V REF 1/4 ALD4302 VOLTAGE LEVEL TRANSLATOR 10V V REF 1/4 ALD4302 V = 1.4V for TTL input REF + V for CMOS input = V REF 2 Output V swings from rail- to- rail OUT ALD4302/ALD4302 DOUBLE DUAL LIMIT WINDOW COMPARATOR +12V ...

Page 6

... As each output sources up to 10mA in the output high state, the output stage of a wired-OR low output circuit must be able to sink this current and still provide desired output voltage levels. For TTL output levels, this consideration limits the number to a maximum of three ALD4302 outputs wired-OR together. ...

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