ALD4303_10 ALD [Advanced Linear Devices], ALD4303_10 Datasheet

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ALD4303_10

Manufacturer Part Number
ALD4303_10
Description
QUAD PRECISION MICROPOWER CMOS VOLTAGE COMPARATOR WITH DRIVER
Manufacturer
ALD [Advanced Linear Devices]
Datasheet
1.ALD4303_10.pdf (9 pages)
Rev 2.0 ©2010 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, CA 94089-1706 Tel: (408) 747-1155 Fax: (408) 747-1286
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 10 12 Ω; low input bias current of 10pA; very low power
dissipation of 7.5µA 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,
and 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 the ALD2301 and ALD2303.
They can also be used with push-pull output types such as the
ALD2302 and ALD4302 voltage comparators simultaneously with
open drain comparators using a common V+. The ALD4303A/ALD4303
is ideal for a great variety of voltage comparator applications, espe-
cially micropower detection circuits requiring very low input currents,
high output currents and low standby power.
FEATURES
• 3V, 5V and 10V supply
• Guaranteed to drive 200Ω loads
• Fanout of 30LS TTL loads
• Guaranteed maximum supply current of 22µA per comparator
• Industry standard pinout of LM393 type
• Extremely low input bias currents -- typically 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 -- typically 60mA
• Low supply current spikes
• High gain -- 100V/mV
ORDERING INFORMATION
* Contact factory for leaded (non-RoHS) or high temperature versions.
0°C to +70°C
14-Pin
Small Outline
Package (SOIC)
ALD4303ASBL
ALD4303SBL
QUAD PRECISION MICROPOWER CMOS VOLTAGE COMPARATOR WITH DRIVER
A
L
D
INEAR
DVANCED
EVICES,
Operating Temperature Range *
I
NC.
0°C to +70°C
14-Pin
Plastic Dip
Package
ALD4303APBL
ALD4303PBL
(“L” suffix for lead free version)
-55°C to +125°C
14-Pin
CERDIP
Package
ALD4303ADB
ALD4303DB
www.aldinc.com
PIN CONFIGURATION
APPLICATIONS
• Sensor detection circuits
• PCMCIA instruments
• MOSFET driver
• High source impedance voltage
• 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
BLOCK DIAGRAM
NONINVERTING INPUT
NONINVERTING INPUT
NONINVERTING INPUT
NONINVERTING INPUT
comparison circuits
+IN
+IN
-IN
-IN
INVERTING INPUT
INVERTING INPUT
INVERTING INPUT
INVERTING INPUT
V
02
01
+
2
2
1
1
- IN
+ IN
+ IN
+ IN
1
3
4
5
7
+ IN
- IN
2
6
- IN
- IN
4
SBL, PBL, DB PACKAGES
4
1
2
2
3
3
1
(10)
(11)
(6)
(7)
(8)
(4)
(5)
(9)
ALD4303A/ALD4303
+
+
+
-
-
-
+
-
(12)
V
+
(3)
13
12
14
10
11
9
8
+IN
+IN
03
GND
-IN
-IN
04
(1) OUT
(2) OUT
(14) OUT
(13) OUT
4
3
4
3
2
1
3
4

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ALD4303_10 Summary of contents

Page 1

A DVANCED L INEAR D I EVICES, NC. QUAD PRECISION MICROPOWER CMOS VOLTAGE COMPARATOR WITH DRIVER 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. ...

Page 2

ABSOLUTE MAXIMUM RATINGS Supply voltage Differential input voltage range Power dissipation Operating temperature range SBL, PBL packages DB package Storage temperature range Lead temperature, 10 seconds OPERATING ELECTRICAL CHARACTERISTICS +5V unless otherwise specified ° ...

Page 3

TYPICAL PERFORMANCE CHARACTERISTICS SATURATION VOL TAGE vs. TEMPERATURE 1 ± 2. 50mA SINK 1.0 0.8 0.6 0.4 0.2 0 -55 - TEM PERATURE (°C) COMMON - MODE VOLTAGE REFERRED TO SUPPL ...

Page 4

TYPICAL PERFORMANCE CHARACTERISTICS (cont'd) TOTAL SUPPLY CURRENT vs. TOTAL SUPPLY VOLTAGE 100 + 10 1 2.0 4.0 6.0 SUPPLY VOLTAGE (V) NORMALIZED INPUT OFFSET VOLTAGE vs. TEMPERATURE + -55 -25 0 ...

Page 5

ZERO CROSSING DETECTOR + -3V 1/4 ALD4303 MULTIPLE RELAY DRIVE +5V V REF + V IN 1/4 ALD4303 VOLTAGE LEVEL TRANSLATOR V+ = +10V V REF 1/4 ALD4303 V = 1.4V for TTL input ...

Page 6

PUSH-PULL COMPLEMENTARY POWER MOSFET DRIVER R ≥ 50 KΩ This circuit eliminates crossover current in the complementary power transistors. The outputs can be used to source and sink different loads or tied together to provide push-pull drive of the same ...

Page 7

S (45° (45° ALD4303A/ALD4303 SOIC-14 PACKAGE DRAWING 14 Pin Plastic SOIC Package Dim Min E A 1. 0.35 C 0.18 D-14 8. 5.70 L 0.60 ø S ...

Page 8

ø ALD4303A/ALD4303 PDIP-14 PACKAGE DRAWING 14 Pin Plastic DIP Package Dim Min 1. 0.38 c 0.20 D-14 ...

Page 9

ALD4303A/ALD4303 CERDIP-14 PACKAGE DRAWING 14 Pin CERDIP Package Dim D- ...

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