ALD4301ADB ALD [Advanced Linear Devices], ALD4301ADB Datasheet

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ALD4301ADB

Manufacturer Part Number
ALD4301ADB
Description
QUAD PRECISION CMOS VOLTAGE COMPARATOR WITH OPEN DRAIN DRIVER
Manufacturer
ALD [Advanced Linear Devices]
Datasheet
1.ALD4301ADB.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
FEATURES
• Fanout of 30LS TTL loads
• Low supply current of 55µA/comparator typical
• Pinout/Functional equivalent to LM393 types
• Extremely low input bias currents -- typically 10pA
• Virtually eliminates source impedance effects
• Low operating supply voltage of 3V to 10V
• Single (+5V) and dual supply (±5V) operation
• High speed for both large signal and low level
• CMOS, NMOS and TTL compatible
• Wired-OR open drain outputs
• High output sinking current -- typically 60mA
• Low supply current spikes
• High gain
GENERAL DESCRIPTION
The ALD4301A/ALD4301 is a monolithic high performance quad
voltage comparator built with advanced silicon gate CMOS technol-
ogy. It features very high typical input impedance of 10
bias current of 10pA; fast response time of 300ns; very low power
dissipation of 55µA per comparator; high output drive and single
(+5V) or dual (±5V) power supply operation.
The input voltage range includes ground, making this comparator
ideal for low level signal detection with high source impedance. The
outputs are open-drain configuration, allowing maximum application
flexibility. The outputs can be connected to a higher external voltage
than V
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 ALD4301A/ALD4301 is ideal for a great
variety of voltage comparator applications, especially detection cir-
cuits requiring very low input currents and low standby power, yet
retaining high output current capability.
ORDERING INFORMATION
* Contact factory for leaded (non-RoHS) or high temperature versions.
signals -- 300ns typical for TTL inputs
0°C to +70°C
14-Pin
Small Outline
Package (SOIC)
ALD4301ASBL
ALD4301SBL
+
and used in a wired-OR connection with other open drain
QUAD PRECISION CMOS VOLTAGE COMPARATOR WITH OPEN DRAIN DRIVER
A
L
D
INEAR
DVANCED
EVICES,
Operating Temperature Range *
I
NC.
0°C to +70°C
14-Pin
Plastic Dip
Package
ALD4301APBL
ALD4301PBL
(“L” suffix for lead free version)
-55°C to +125°C
14-Pin
CERDIP
Package
ALD4301ADB
ALD4301DB
www.aldinc.com
12
Ω; low input
APPLICATIONS
• High source impedance voltage
• Dual/Quad limit window comparator
• Power supply voltage monitor
• Photo-detector sensor circuit
• Relay or LED driver
• Oscillators
• Battery operated instruments
• Remote signal detection
PIN CONFIGURATION
BLOCK DIAGRAM
NONINVERTING INPUT
NONINVERTING INPUT
NONINVERTING INPUT
comparison circuits
NONINVERTING INPUT
+IN
+IN
-IN
-IN
INVERTING INPUT
INVERTING INPUT
INVERTING INPUT
INVERTING INPUT
V
02
01
+
2
2
1
1
- IN
+ IN
+ IN
+ IN
4
7
- IN
1
2
3
5
6
- IN
+ IN
- IN
4
SBL, PBL, DB PACKAGES
4
1
2
2
3
3
1
(10)
(11)
(6)
(7)
(8)
(4)
(5)
(9)
ALD4301A/ALD4301
+
+
+
-
-
-
+
-
(12)
V
+
(3)
13
12
14
11
10
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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ALD4301ADB Summary of contents

Page 1

... Remote signal detection PIN CONFIGURATION -IN +IN -IN +IN BLOCK DIAGRAM INVERTING INPUT NONINVERTING INPUT INVERTING INPUT NONINVERTING INPUT -55°C to +125°C INVERTING INPUT 14-Pin CERDIP NONINVERTING INPUT Package INVERTING INPUT ALD4301ADB NONINVERTING INPUT ALD4301DB www.aldinc.com ALD4301A/ALD4301 GND 3 + -IN ...

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 T ...

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 Y VOLTAGE ...

Page 4

TYPICAL PERFORMANCE CHARACTERISTICS (cont'd) TOTAL SUPPLY CURRENT vs. TOTAL SUPPLY VOLTAGE 160 + 140 120 100 80 2.0 4.0 6.0 SUPPLY VOLTAGE (V) QUAD LIMIT WINDOW COMPARATOR V + 1/2 ALD4301 R LOAD + V REF(HIGH) - ...

Page 5

ZERO CROSSING DETECTOR + -3V 1/4 ALD4301 MULTIPLE RELAY DRIVE +5V V REF + V IN 1/4 ALD4301 VOLTAGE LEVEL TRANSLATOR V+ = +10V V REF 1/4 ALD4301 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° ALD4301A/ALD4301 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 ALD4301A/ALD4301 PDIP-14 PACKAGE DRAWING 14 Pin Plastic DIP Package Dim Min 1. 0.38 c 0.20 D-14 ...

Page 9

ALD4301A/ALD4301 CERDIP-14 PACKAGE DRAWING 14 Pin CERDIP Package Dim D- ...

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