Texas Instruments LM8261M5X/NOPB Manual

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LM8261

SNOS469J – APRIL 2000 – REVISED JANUARY 2015

LM8261 Single RRIO High Output Current & Unl imited Cap Load Op Amp

1 Features 3 Description

The LM8261 is a Rail-to-Rail input and output Op

1 • (VS = 5 V, TA = 25°C, Typical Values Unless Amp which can operate with a wide supply voltage

Specied) range. This device has high output current drive,

• GBWP 21 MHz greater than Rail-to-Rail input common mode voltage

• Wide Supply Voltage Range 2.5 V to 30 V range, unlimited capacitive load drive capability, and

provides tested and guaranteed high speed and slew

• Slew Rate 12 V/µs rate while requiring only 0.97 mA supply current. It is

• Supply Current 0.97 mA specically designed to handle the requirements of

• Cap Load Limit Unlimited at panel TFT panel VCOM driver applications as well

as being suitable for other low power, and medium

• Output Short Circuit Current 53 mA/ 75 mA−

speed applications which require ease of use and

• ±5% Settling Time 400 ns (500 pF, 100 mVPP enhanced performance over existing devices.

Step)

Greater than Rail-to-Rail input common mode v oltage

• Input Common Mode Voltage 0.3 V Beyond Rails range with 50 dB of Common Mode Rejection allows

• Input Voltage Noise 15nV/ Hz√ high side and low side sensing, among many

• Input Current Noise 1pA/ Hz√ applications, without concern over exceeding the

range and with no compromise in accuracy.

• THD+N < 0.05% Exceptionally wide operating supply voltage range of

2.5 V to 30 V alleviates any concerns over

2 Applications functionality under extreme conditions and oers

• TFT-LCD Flat Panel VCOM Driver exibility for use in multitude of applications. In

addition, most device parameters are insensitiv e to

• A/D Converter Buer

power supply variations; this design enhancement is

• High Side/low Side Sensing yet another step in simplifying its usage. The output

• Headphone Amplier stage has low distortion (0.05% THD+N) and can

supply a respectable amount of current (15 mA) with

minimal headroom from either rail (300 mV).

The LM8261 is oered in the space-saving SOT-23-5

package.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)

LM8261 SOT-23 (5) 2.9 mm × 1.6 mm

(1) For all available packages, see the orderab le addendum at

the end of the data sheet.

Output Response with Heavy Capacitive Load

An IMPORTANT NOTICE at t he end of this d ata sheet addr esses availability, warran ty, changes, use in safety-critic al applications,

inte llectual property matters and other importa nt disclaimers. PRODUCTION DATA.

LM8261

SNOS469J – APRIL 2000 – REVISED JANUARY 2015

www.ti.com

Table of Contents

7.2 Driving Capac i tiv e Loa ds ........................................ 20

1 Features .................................................................. 1

7.3 Estimating the Output Voltage Swing .............. ...... . 22

2 Applications ........................................................... 1

7.4 TFT Application s ..................................................... 23

3 Description ............................................................. 1

7.5 Output Short Circuit Curr ent and Dissipation

4 Revision History..................................................... 2 Issues....................................................................... 23

5 Pin Conguration and Functions ......................... 3 7.6 Other Application Hints ........................................... 24

6 Specications......................................................... 4 8 Power Supply Recommendations ...................... 25

6.1 Abs ol ute Maximum Ratings ...................................... 4 9 Layout ................................................................... 25

6.2 ESD Ratings.............................................................. 4 9.1 Layout Guidelin es ................................................... 25

6.3 Recommended Operating Conditions............... ........ 4 9.2 Layout Example ...................................................... 26

6.4 The rmal Information.................................................. 4 10 Device and Documentation Support ................. 27

6.5 Elec tric al Charac teris tic s 2.7 V ................................. 5 10.1 Documentation Support ........................................ 27

6.6 Elec tric al Charac teris tic s 5 V .................................... 7 10.2 Trad emarks ........................................................... 27

6.7 Electrical Chara cteristi cs ±15 V ............................ .... 9 10.3 Electrostatic Discharge Caution.............. ...... ........ 27

6.8 Ty pi c al Characte ris tic s ............................................ 11 10.4 Glossary ................................................................ 27

7 Application and Implementation ........................ 19 11 Mec hanica l, Packaging, and Orde r able

7.1 Block Diagram and Operational Description . ...... .... 19 Information ........................................................... 27

4 Revision History

Changes from Revision I (March 2013) to Revision J Page

• Added, updated, or revised the following sections: , ,Pin Conguration and Functions Specications Detailed

Description Applicatio n and Implementation Power Supply Recommendations Layout Device an d, , , ,

Documentation Support Mechanical, Packaging, and Orderable Information, and section ................................................. 1

• Changed from -1.0 V to -0.8 V in ...................................................................................................................Specications 4

Changes from Revision H (March 2013) to Revision I Page

• Changed layout of National Data Sheet to TI format ............................................................................................................. 1

Product Folder Links: LM8261

Produkt Specifikationer

Mærke:	Texas Instruments
Kategori:	Ikke kategoriseret
Model:	LM8261M5X/NOPB
Type:	Driftsforstærker
Bredde:	1.75 mm
Dybde:	3.05 mm
Højde:	1.1 mm
Antal pr. pakke:	3000 stk
Pakkedybde:	208 mm
Pakkebredde:	191 mm
Pakkehøjde:	35 mm
Opbevaringstemperatur (T-T):	-65 - 150 °C
Driftstemperatur (T-T):	-40 - 85 °C
Pakketype:	SOT-23
klirfaktor (THD):	0.05 %
Antal kanaler:	1 kanaler
Antal stifter:	5
Båndbredde:	21 Mhz
Bredde (med stifter):	3 mm
Højde (med stifter):	1.45 mm
Dybde (med stifter):	3.05 mm
Afvisningsforhold for strømforsyning (PSRR):	104 dB