Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsLinear ICsLinear IC - Comparator Multi-purpose CMOS, Push pull, Rail-to-rail SOT 23 5

TLV3491

TLV3492

TLV3494

1.8V, Nanopower,

PUSH-PULL OUTPUT COMPARATOR

DESCRIPTION

The TLV349x family of push-pull output comparators fea-

tures a fast 6µs response time and < 1.2µA (max) nanopower

capability, allowing operation from 1.8V – 5.5V. Input com-

mon-mode range beyond supply rails make the TLV349x an

ideal choice for low-voltage applications.

Micro-sized packages provide options for portable and space-

restricted applications. The single (TLV3491) is available

in SOT23-5 and SO-8. The dual (TLV3492) comes in

SOT23-8 and SO-8. The quad (TLV3494) is available in

TSSOP-14 and SO-14.

The TLV349x is excellent for power-sensitive, low-voltage

(2-cell) applications.

FEATURES

● VERY LOW SUPPLY CURRENT: 0.8µA (typ)

● INPUT COMMON-MODE RANGE 200mV

BEYOND SUPPLY RAILS

● SUPPLY VOLTAGE: +1.8V to +5.5V

● HIGH SPEED: 6µs

● PUSH-PULL CMOS OUTPUT STAGE

● SMALL PACKAGES:

SOT23-5 (Single)

SOT23-8 (Dual)

APPLICATIONS

● PORTABLE MEDICAL EQUIPMENT

● WIRELESS SECURITY SYSTEMS

● REMOTE CONTROL SYSTEMS

● HANDHELD INSTRUMENTS

● ULTRA-LOW POWER SYSTEMS

www.ti.com

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.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

SBOS262D – DECEMBER 2002 – REVISED APRIL 2005

PRODUCT FEATURES

TLV370x 560nA, 2.5V to 16V, Push-Pull CMOS Output Stage

Comparator

TLV340x 550nA, 2.5V to 16V, Open Drain Output Stage Comparator

TLV349x RELATED PRODUCTS

TLV3491

TLV3492

TLV3494

All trademarks are the property of their respective owners.

Summary of content (24 pages)

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TLV 3491 TLV 3492 TLV3 ® 494 TLV 349 4 TLV3491 TLV3492 TLV3494 SBOS262D – DECEMBER 2002 – REVISED APRIL 2005 1.8V, Nanopower, PUSH-PULL OUTPUT COMPARATOR FEATURES DESCRIPTION ● VERY LOW SUPPLY CURRENT: 0.8µA (typ) ● INPUT COMMON-MODE RANGE 200mV BEYOND SUPPLY RAILS ● SUPPLY VOLTAGE: +1.8V to +5.5V ● HIGH SPEED: 6µs The TLV349x family of push-pull output comparators features a fast 6µs response time and < 1.2µA (max) nanopower capability, allowing operation from 1.8V – 5.5V.
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ABSOLUTE MAXIMUM RATINGS(1) ELECTROSTATIC DISCHARGE SENSITIVITY Supply Voltage ................................................................................. +5.5V Signal Input Terminals, Voltage(2) .................. (V–) – 0.5V to (V+) + 0.5V Current(2) .................................................. ±10mA Output Short-Circuit(3) .............................................................. Continuous Operating Temperature ..................................................
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ELECTRICAL CHARACTERISTICS: VS = +1.8V to +5.5V Boldface limits apply over the specified temperature range, TA = –40°C to +125°C. At TA = +25°C, and VS = +1.8V to +5.5V, unless otherwise noted.
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TYPICAL CHARACTERISTICS At TA = +25°C, VS = +1.8V to +5.5V, and Input Overdrive = 100mV, unless otherwise noted. QUIESCENT CURRENT vs OUTPUT SWITCHING FREQUENCY QUIESCENT CURRENT vs TEMPERATURE 12 1.00 VDD = 3V VS = 5V 10 Quiescent Current (µA) Quiescent Current (µA) 0.95 0.90 VDD = 5V 0.85 VDD = 1.8V 0.80 0.75 0.70 8 6 4 VS = 3V 2 0.65 VS = 1.8V 0 0.
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TYPICAL CHARACTERISTICS (Cont.) At TA = +25°C, VS = +1.8V to +5.5V, and Input Overdrive = 100mV, unless otherwise noted. PROPAGATION DELAY (tPLH) vs CAPACITIVE LOAD 80 70 70 60 60 50 tPHL (µs) 50 tPLH (µs) PROPAGATION DELAY (tPHL) vs CAPACITIVE LOAD 80 VDD = 5V 40 VDD = 3V 30 VDD = 1.8V 20 VDD = 3V 40 30 20 10 10 0 0.01 0.1 1 10 100 VDD = 1.8V 0 0.01 1k 0.
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TYPICAL CHARACTERISTICS (Cont.) At TA = +25°C, VS = +1.8V to +5.5V, and Input Overdrive = 100mV, unless otherwise noted. PROPAGATION DELAY (tPLH) PROPAGATION DELAY (tPHL) VDD = ±2.5V VIN+ 500mV/div 500mV/div VDD = ±2.5V VIN– VIN– VOUT 2V/div 2V/div VIN+ VOUT 2µs/div 2µs/div PROPAGATION DELAY (tPHL) PROPAGATION DELAY (tPLH) 500mV/div VDD = ±0.9V 500mV/div VDD = ±0.9V VIN+ VIN– VIN– 2V/div 2V/div VIN+ VOUT 2µs/div 2µs/div 6 VOUT TLV3491, 3492, 3494 www.ti.
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APPLICATIONS INFORMATION The TLV349x family of comparators features rail-to-rail input and output on supply voltages as low as 1.8V. The push-pull output stage is optimal for reduced power budget applications and features no shoot-through current. Low supply voltages, common-mode input range beyond supply rails, and a typical supply current of 0.8µA make the TLV349x family an excellent candidate for battery-powered applications with single-cell operation.
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APPLICATIONS RELAXATION OSCILLATOR The TLV349x can be configured as a relaxation oscillator to provide a simple and inexpensive clock output (see Figure 3.) The capacitor is charged at a rate of 0.69RC. It also discharges at a rate of 0.69RC. Therefore, the period is 1.38RC. R1 may be a different value than R2. VC 2/3 (V+) 1/3 (V+) t V+ T1 T2 V+ C 1000pF R1 1MΩ VOUT R2 1MΩ R2 1MΩ a simple resistor divider.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.com 11-Apr-2013 In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
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PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) TLV3491AIDBVR SOT-23 DBV 5 3000 178.0 TLV3491AIDBVT SOT-23 DBV 5 250 TLV3491AIDR SOIC D 8 2500 TLV3492AIDCNR SOT-23 DCN 8 TLV3492AIDCNT SOT-23 DCN B0 (mm) K0 (mm) P1 (mm) 9.0 3.23 3.17 1.37 4.0 178.0 9.0 3.23 3.17 1.37 330.0 12.4 6.4 5.2 2.1 3000 180.0 8.4 3.
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PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) TLV3491AIDBVR SOT-23 DBV 5 3000 180.0 180.0 18.0 TLV3491AIDBVT SOT-23 DBV 5 250 180.0 180.0 18.0 TLV3491AIDR SOIC D 8 2500 367.0 367.0 35.0 TLV3492AIDCNR SOT-23 DCN 8 3000 210.0 185.0 35.0 TLV3492AIDCNT SOT-23 DCN 8 250 210.0 185.0 35.0 TLV3492AIDR SOIC D 8 2500 367.0 367.0 35.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.