LM3302 COMPARATOR Datasheet

LM3302 Datasheet, PDF, Equivalent


Part Number

LM3302

Description

QUADRUPLE DIFFERENTIAL COMPARATOR

Manufacture

etcTI

Total Page 11 Pages
Datasheet
Download LM3302 Datasheet


LM3302
LM3302
QUADRUPLE DIFFERENTIAL COMPARATOR
D Single Supply or Dual Supplies
D Wide Range of Supply Voltage
. . . 2 V to 28 V
D Low Supply-Current Drain Independent of
Supply Voltage . . . 0.8 mA Typ
D Low Input Bias Current . . . 25 nA Typ
D Low Input Offset Current . . . 3 nA Typ
D Low Input Offset Voltage . . . 3 mV Typ
D Common-Mode Input Voltage Range
Includes Ground
D Differential Input Voltage Range Equal to
Maximum-Rated Supply Voltage . . . ±28 V
D Low Output Saturation Voltage
D Output Compatible With TTL, MOS, and
CMOS
SLCS014A −OCTOBER 1977 −REVISED AUGUST 2003
D OR N PACKAGE
(TOP VIEW)
1OUT
2OUT
VCC
2IN−
2IN+
1IN−
1IN+
1
2
3
4
5
6
7
14 3OUT
13 4OUT
12 GND
11 4IN+
10 4IN−
9 3IN+
8 3IN−
description/ordering information
This device consists of four independent voltage comparators that are designed to operate from a single power
supply over a wide range of voltages. Operation from dual supplies also is possible as long as the difference
between the two supplies is 2 V to 28 V and VCC is a least 1.5 V more positive than the input common-mode
voltage. Current drain is independent of the supply voltage. The outputs can be connected to other
open-collector outputs to achieve wired-AND relationships.
ORDERING INFORMATION
TA
VIOmax
AT 25°C
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP (N)
Tube of 25
LM3302N
LM3302N
−40°C to 85°C 20 mV
SOIC (D)
Tube of 50
Reel of 2500
LM3302D
LM3302DR
LM3302
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
symbol (each comparator)
IN+
IN−
OUT
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright 2003, Texas Instruments Incorporated
1

LM3302
LM3302
QUADRUPLE DIFFERENTIAL COMPARATOR
SLCS014A −OCTOBER 1977 −REVISED AUGUST 2003
schematic
80-µA Current
Regulator
60 µA
10 µA
10 µA
IN+
IN−
VCC
80 µA
OUT
GND
Current values shown are nominal.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 V
Differential input voltage, VID (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±28 V
Input voltage range, VI (either input) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 28 V
Output voltage, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 V
Output current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
Duration of output short-circuit to ground (see Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unlimited
Package thermal impedance, θJA (see Notes 4 and 5): D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86°C/W
N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80°C/W
Operating virtual junction temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: D or N package . . . . . . . . . . . . . . . . 260°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. There are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated in the recommended operating conditions section of this
specification is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. All voltage values, except differential voltages, are with respect to the network ground.
2. Differential voltages are at IN+ with respect to IN−.
3. Short circuits from the output to VCC can cause excessive heating and eventual destruction.
4. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable
ambient temperature is PD = (TJ(max) − TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.
5. The package thermal impedance is calculated in accordance with JESD 51-7.
2 POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Features LM3302 QUADRUPLE DIFFERENTIAL COMPARATOR D Single Supply or Dual Supplies D Wi de Range of Supply Voltage . . . 2 V to 28 V D Low Supply-Current Drain Indepe ndent of Supply Voltage . . . 0.8 mA Ty p D Low Input Bias Current . . . 25 nA Typ D Low Input Offset Current . . . 3 nA Typ D Low Input Offset Voltage . . . 3 mV Typ D Common-Mode Input Voltage R ange Includes Ground D Differential Inp ut Voltage Range Equal to Maximum-Rated Supply Voltage . . . ±28 V D Low Outp ut Saturation Voltage D Output Compatib le With TTL, MOS, and CMOS SLCS014A OCTOBER 1977 −REVISED AUGUST 2003 D OR N PACKAGE (TOP VIEW) 1OUT 2OUT VCC 2IN− 2IN+ 1IN− 1IN+ 1 2 3 4 5 6 7 14 3OUT 13 4OUT 12 GND 11 4IN+ 10 4IN 9 3IN+ 8 3IN− description/orderin g information This device consists of f our independent voltage comparators tha t are designed to operate from a single power supply over a wide range of volt ages. Operation from dual supplies also is possible as long as the difference between the two supplies is 2 V to 28.
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