Texas Instruments LM8261M5X/NOPB Bedienungsanleitung

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LM8261

SNOS469J – APRIL 2000 – REVISED JANUARY 2015

LM8261 Single RRIO High Output Current & Unlimited Cap Load Op Amp

1 Features 3 Description

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

• (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 voltage

• 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 insensitive 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 orderable addendum at

the end of the data sheet.

Output Response with Heavy Capacitive Load

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

LM8261

SNOS469J – APRIL 2000 – REVISED JANUARY 2015

www.ti.com

Table of Contents

7.2 Driving Capacitive Loads ........................................ 20

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

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

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

7.4 TFT Applications ..................................................... 23

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

7.5 Output Short Circuit Current and Dissipation

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

5 Pin Conguration and Functions ......................... 37.6 Other Application Hints ........................................... 24

6 Specications......................................................... 48 Power Supply Recommendations ...................... 25

6.1 Absolute Maximum Ratings ...................................... 49 Layout ................................................................... 25

6.2 ESD Ratings.............................................................. 49.1 Layout Guidelines ................................................... 25

6.3 Recommended Operating Conditions....................... 49.2 Layout Example ...................................................... 26

6.4 Thermal Information.................................................. 410 Device and Documentation Support ................. 27

6.5 Electrical Characteristics 2.7 V ................................. 510.1 Documentation Support ........................................ 27

6.6 Electrical Characteristics 5 V .................................... 710.2 Trademarks ........................................................... 27

6.7 Electrical Characteristics ±15 V ................................ 910.3 Electrostatic Discharge Caution............................ 27

6.8 Typical Characteristics............................................ 11 10.4 Glossary ................................................................ 27

7 Application and Implementation ........................ 19 11 Mechanical, Packaging, and Orderable

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 Application and Implementation Power Supply Recommendations Layout Device and, , , ,

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