Application notes from Texas Instruments

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Application Notes from Texas Instruments

Conversion latency in delta-sigma converters

Texas Instruments

TLC271 EMI Immunity Performance (Rev. A)

Texas Instruments

DN605 -- CC-Antenna-DK Board #8 OTA Test Results (433 MHz) with EB

Texas Instruments

DN605 -- Design Notes

Differences Between the TPS65800/810/820 PMIC Devices

Texas Instruments

Differences Between the TPS65800/810/820 PMIC Devices

Clocking Options on the TMS320C5x

Texas Instruments

There are three speed versions available on most TMS320C5x devices-50 ns 35 ns and 25 ns. If you desire to run these devices at full speed the clock input required is 20 MHz 57 MHz and 80 MHz respectively. In a standard configuration the input clock is divided by two to get the internal machine cycle: 40 MHz/2 = 20 MHz = 50 ns. The CLKOUT1 pin will run at the same speed as the internal mach

Input Filter Design for Switching Power Supplies

Texas Instruments

Input Filter Design for Switching Power Supplies

ANY-OUT? LDO Controlled by I2C? IO Expander Device (Rev. A)

Texas Instruments

TPS74201, TPS74301, TPS74401, TPS7A80xx, TPS7A8101 ANY-OUT? LDO Controlled by I2C? IO Expander Device

Single TAS3103 in 5.1 Channel Audio System

Texas Instruments

Single TAS3103 in 5.1 Channel Audio System

TMS320C6412 Hardware Designer's Resource Guide (Rev. A)

Texas Instruments

The DSP Hardware Designer's Resource Guide is organized by development flow and functional areas to make your design effort as seamless as possible. Topics covered include getting started, board desig

AN-2261 LP38869EVAL - 800mA LDO with High PSRR and Low Noise (Rev. A)

Texas Instruments

The LP38869EVAL evaluation board is designed to demonstrate the capabilities of the LP38869MH highperformance LDO voltage regulator. It is intended to provide a flexible circuit configuration and access topoints of interest.

Build a 3-Phase Sine Wave Generator with the UAF42

Texas Instruments

A three phase sine wave oscillator can be built using one UAF42 state variable filter along with some resistors and diodes. Three output nodes are available; highpass out bandpass out and lowpass out. The signal at the bandpass and lowpass out nodes are 90° and 180° out of phase respectively with the highpass out node. An on-chip auxiliary op amp is available for use as a buffer or gain

AN-1414 LM1770 Design Reference (Rev. A)

Texas Instruments

This application report presents several reference designs that can be used to implement the TexasInstruments LM1770 Synchronous Buck Controller in a wide variety of configurations.

Analog Applications Journal, Q3, 1999

Texas Instruments

Analog Applications is a collection of analog application notes designed to give readers a basic understanding of TI products and to provide simple but practical examples for typical applications. Wri

Safety Manual for TPS65381-Q1 Multi-Rail Power Supply (Rev. A)

Texas Instruments

TPS65381 Safety Manual for TPS6538x Multi-Rail Power Supply Family

AN-447 Protection Schemes for BI-FET Amplifiers and Switches

Texas Instruments

Application Note 447 Protection Schemes for BI-FET Amplifiers and Switches

AN-521 Dual Tone Multiple Frequency (DTMF)

Texas Instruments

The DTMF (Dual Tone Multiple Frequency) application is associated with digital telephony, and provides two selected output frequencies (one high band, one low band) for a duration of 100 ms. A benchmark subroutine has been written for the COP820C/840C microcontrollers, and is outlined in detail in this application note. This DTMF subroutine takes 110 bytes of COP820C/840C code, consisting of 78 bytes of program code and 32 bytes of ROM table. The timings in this DTMF subroutine are based on a 20 MHz COP820C/840C clock, giving an instruction cycle time of 1 ms.

Upgrading to DSP/BIOS II

Texas Instruments

DSP/BIOS II adds numerous functions to the DSP/BIOS kernel while maintaining 100% Application Programming Interface (API) compatibility with DSP/BIOS I. In addition new functionality has been added to Code Composer Studio?. This application note describes the transition from DSP/BIOS I to DSP/BIOS II and focuses on the enhancements and changes to existing DSP/BIOS I functions.

How to Design an LED Driver Using the TPS92510 (Rev. A)

Texas Instruments

This design example consists of a single string of ten LEDs driven with 1-A forward current. This design example is a supplement to the TPS92510 data sheet and provides step-by-step instructions for optimizing an LED driver design. In particular, detailed attention is given to compensating and measuring the feedback loop, implementing the thermal foldback protection, and designing the printed-circuit board layout. Graphs are provided showing the design example test data.

TLV2262, TLV2264 EMI Immunity Performance

Texas Instruments

Softstart Using Constant Current Constant Voltage Approach

Texas Instruments

In many systems backup power is provided either by batteries or simply by a large value capacitor. Inthese applications the capacitor would only provide the current when the primary power source fails.Further these applications are usually for light load currents. During normal operation the backupcapacitors are kept charged up by a DC/DC converter. The challenge involved in an application