Application Notes

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Application Notes

Bluetooth Sample Application for RF3

The application on the Texas Instruments TMS320C5407 DSP board and Stonestreet One?s (SS1) Bluetooth™ daughtercard hardware is intended to show the operation of a Bluetooth Protocol Stack and the Hands-Free and Headset Profiles within the bounds of the eXpressDSP Software Reference Framework level 3 (RF3). The application incorporates several drivers and SS1?s existing Bluetopia® core st

DN200 -- Using Constants in Code With Z-Stack

Texas Instruments

DN200 -- Using Constants in Code With Z-Stack

Single Supply 4-20mA Current Loop Receiver

Texas Instruments

Many industrial current-loop data acquisition systems operate on a 24V or 28V single supply. You can make a single-supply current loop receiver with the RCV420 by using its 10V reference as a pseudo ground. The RCV420 will convert a 4-20mA loop current into a 0 to 5V output voltage with no external components required. The current loop can be sourcing or sinking and can be referenced to either the

Driving High-Speed ADCs: Circuit Topologies and System-Level Parameters (Rev. A)

Texas Instruments

This application report discusses the performance-related aspects of passive and active interfaces at the analog input of high-speed pipeline analog-to-digital converters (ADCs). The report simplifies the many possibilities into two main categories: passive and active interface circuits. The first section of the report gives an overview of equivalent models of buffered and unbuffered ADC input cir

TMS320C6747 Technical Brief (Rev. B)

Texas Instruments

The C674x Floating-point Processor generation combines a new level of performance / precision and dynamic range with high power efficiency and system integration. The C674x processors are completely code compatible with other C67x processors.

TMS3705 Passive Antenna Solution

Texas Instruments

The Texas Instruments low-frequency transponder technology provides the possibility to use a simple passive antenna in combination with various antenna cable lengths. This solution significantly reduces system costs because the active part of the transceiver can be added to the already existing host system e.g. the body control module (BCM) of a vehicle.

In comparison to a standard system n

TLV2461/62/63/64/65 EMI Immunity Performance (Rev. A)

Texas Instruments

The electromagnetic interference (EMI) rejection ratio, or EMIRR, describes the EMI immunity of operational amplifiers. An adverse effect that is common to many op amps is a change in the offset voltage as a result of RF signal rectification. An op amp that is more efficient at rejecting this change in offset as a result of EMI has a higher EMIRR and is quantified by a decibel value.

Stacking the REF50xx for High-Voltage References

Texas Instruments

REF50xx Stacking the REF50xx for High-Voltage References REF50xx_SBAA203 HPA/AIP/Touch/App_Reports

Enabling the Next Generation of Automotive Head-Up Display Systems

Texas Instruments

Texas Instruments has developed automotive grade DLP technology that enables highly-efficient, nextgeneration, full-color, true augmented reality (AR) automotive head-up display (HUD) systems. The uniqueness of DLP technology makes it possible to solve common design challenges of head-up display systems including managing environmental extremes and sunlight thermal loading, delivering high brightness and high resolution, and implementing dynamic dimming capabilities. Additionally, DLP projection-based architecture provides flexibility in the optical design needed to create very large field of view virtual displays over the road that augment and assist the driver. This paper includes a brief overview of DLP solid state illumination operation and how the implementation of DLP technology can solve the common HUD design challenges. DLP technology can be used to create advanced solutions for true automotive AR HUD applications.

Calculating FIT for a Mission Profile

Texas Instruments

This application report explains how use TI’s reliability de-rating tools to calculate a component level FIT under power on conditions for a system mission profile.

DN021 - CC2500 and CC2510 Sensitivity versus Frequency Offset and Crystal Accura

Texas Instruments

This design note provides plots from sensitivity versus frequency offset measurements for different data rates on the CC2500 device. The results are also applicable for CC2510/CC2511. The required crystal accuracy is calculated from these plots.

AN-744 Futurebus+ Wired-OR Glitch Effects and Filter

Texas Instruments

Application Note 744 Futurebus+ Wired-OR Glitch Effects and Filter

AN-2068 DS90UR241/124 Spread Spectrum Tolerance Support (Rev. B)

Texas Instruments

Compliance to EMI limits is often a challenge. Spread spectrum clocking is commonly used to minimize EMI. The effect of modulating periodic signals both clock and data reduces the peak emissions by spreading the energy over a range of frequencies. The DS90UR241 and DS90UR124 chipset allows the use of spread spectrum clock and data inputs. The following is a discussion of spread spectrum clock ch