Texas Instruments LP311DR Manual

Texas Instruments Ikke kategoriseret LP311DR

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Side 1/14
LP211, LP311
LOW-POWER DIFFERENTIAL COMPARATORS
WITH STROBES
SLCS003D − JUNE 1987 − REVISED SEPTEMBER 2003
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
DLow Power Drain . . . 900 μW Typical With
5-V Supply
DOperates From 15 V or From a Single±
Supply as Low as 3 V
DOutput Drive Capability of 25 mA
DEmitter Output Can Swing Below Negative
Supply
DResponse Time . . . 1.2 μs Typ
DLow Input Currents:
Offset Current . . . 2 nA Typ
Bias Current . . . 15 nA Typ
DWide Common-Mode Input Range:
−14.5 V to 13.5 V Using ±15-V Supply
DOffset Balancing and Strobe Capability
DSame Pinout as LM211, LM311
DDesigned To Be Interchangeable With
Industry-Standard LP311
description/ordering information
The LP211 and LP311 devices are low-power versions of the industry-standard LM211 and LM311 devices.
They take advantage of stable, high-value, ion-implanted resistors to perform the same function as the LM311
series, with a 30:1 reduction in power consumption, but only a 6:1 slowdown in response time. They are well
suited for battery-powered applications and all other applications where fast response times are not needed.
They operate over a wide range of supply voltages, from ±18 V down to a single 3-V supply with less than 300-μA
current drain, but are still capable of driving a 25-mA load. The LP211 and LP311 are quite easy to apply free
of oscillation if ordinary precautions are taken to minimize stray coupling from the output to either input or to the
trim pins. In addition, offset balancing is available to minimize input offset voltage. Strobe capability also is
provided to turn off the output (regardless of the inputs) by pulling the strobe pin low.
The LP211 is characterized for operation from −25°C to 85°C. The LP311 is characterized for operation from
0 C.°C to 70°
ORDERING INFORMATION
TA
VIO max
AT 25°CPACKAGE†ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP (P) Tube of 50 LP311P LP311P
0°C to 70°C
7 5 mV
SOIC (D)
Tube of 75 LP311D
LP311
−0° °C to 70 C 7.5 mV SOIC (D) Reel of 2500 LP311DR LP311
SOP (PS) Reel of 2000 LP311PSR L311
25°C to 85°C
7 5 mV
SOIC (D)
Tube of 75 LP211D
LP211
−25° °C to 85 C 7.5 mV SOIC (D) Reel of 2500 LP211DR LP211
†Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
Copyright © 2003, Texas Instruments Incorporated
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.
1
2
3
4
8
7
6
5
EMIT OUT
IN+
IN−
VCC−
VCC+
COL OUT
BAL/STRB
BALANCE
LP211 . . . D PACKAGE
LP311 . . . D, P, OR PS PACKAGE
(TOP VIEW)
LP211, LP311
LOW-POWER DIFFERENTIAL COMPARATORS
WITH STROBES
SLCS003D − JUNE 1987 − REVISED SEPTEMBER 2003
2POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
functional block diagram
EMIT OUT
COL OUT
IN+
IN−
BAL/STRB
BALANCE
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†
Supply voltage (see Note 1): VCC+ 18 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VCC− −18 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differential input voltage, VID (see Note 2) ±30 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI (either input, see Notes 1 and 3) ±15 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage from emitter output to VCC− 30 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage from collector output to VCC− 40 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage from collector output to emitter output 40 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Duration of output short circuit (see Note 4) 40 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance, θJA (see Notes 5 and 6): D package 97°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . .
P package 85°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . .
PS package 95°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating virtual junction temperature, TJ 150°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. These 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, unless otherwise noted, are with respect to the midpoint between VCC+ and VCC−.
2. Differential input voltages are at IN+ with respect to IN−.
3. The magnitude of the input voltage must never exceed the magnitude of the supply voltage of ±15 V, whichever is less.
4. The output may be shorted to ground or to either power supply.
5. 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.
6. The package thermal impedance is calculated in accordance with JESD 51-7.
recommended operating conditions
MIN MAX UNIT
(|VCC±| ≤ 15 V) Input voltage VCC− + 0.5 VCC+ − 1.5 V
VCC+ − V
CC− Supply voltage 3.5 30 V

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Model: LP311DR

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