V.22 bis Modem on Fixed-Point TMS320 DSP
Texas InstrumentsThis document describes a V.22 bis modem implemented on the Texas Instruments (TI)(tm) TMS320C2xx digital signal processor (DSP). The V.22 bis modem standard is a QAM type modem at 2400 bps implemented in full duplex. The V.22 bis modem implementation includes transmitter receiver with scrambling and V.14 as well as the handshake for connection in originate and answer mode. Modulation and demodu
TMS320DM357 Power Consumption Summary
Texas InstrumentsThis application report discusses the power consumption of the Texas Instruments TMS320DM357 digital media System-on-Chip (DMSoC). Power consumption on the DM357 device is highly application-dependent; therefore a spreadsheet that estimates power consumption is provided along with this document. To obtain good results from the spreadsheet realistic usage parameters must be entered (see Section 2
General I2C / EEPROM usage for the CDCE(L)9xx family
Texas InstrumentsCDCE949, CDCE937, CDCE925, CDCE913 General I2C / EEPROM usage for the CDCE(L)9xx family
Using a TMS320C6000 McBSP for Data Packing (Rev. A)
Texas InstrumentsThis application report describes how to use the multichannel buffered serial port (McBSP) in the Texas Instruments TMS320C6000™ digital signal processor (DSP) for data packing. Data packing involves moving either multiple successive 8-bit elements to/from the McBSP as a single 16/24/32-bit element or multiple successive 16-bit words to/from the McBSP as a single 32-bit word.
The McBSP
AN-694 A DMOS 3A, 55V, H-Bridge: The LMD18200 (Rev. C)
Texas InstrumentsThis application note provides information on the LMD18200, which is optimized to work for applications that require 0.5A to 3.0A and operate from 12V to 55V.
TWL1200 PCB Design Guidelines
Texas InstrumentsThe Texas Instruments TWL1200 is a 19-bit voltage translator specifically designed to bridge the 1.8-V/2.6-V digital-switching compatibility gap between a 2.6-V baseband and the Wi-Link-6 (WL1271/3) and is optimized for SDIO UART and audio functions. When laying out a printed circuit board (PCB) for the TWL1200 careful consideration of design rules and guidelines must be employed to help prese
Comparing the bq29312A to the bq29312
Texas InstrumentsThe bq29312A analog front end (AFE) IC contains a minor change to the existing bq29312 AFE that improves overall system-level ESD performance. The specifications of the bq29312 and bq29312A are identical.
Basics of the CDC7005 Hold Function
Texas InstrumentsThe CDC7005 is a high-performance clock synthesizer and jitter cleaner with implemented hold functionality. The hold functionality can be used for fail-safe operation if the reference clock is missing. This application report describes the basis the advantages and the limitations of the CDC7005 hold functionality. Additionally a discrete realization of a simplified external hold function is sho
TMS320C6457 Power Consumption Application Report (Rev. A)
Texas InstrumentsThis document discusses the power consumption of the Texas Instruments TMS320C6457 digital signal processor (DSP). The power consumption of the device is highly application-dependent. Therefore a power spreadsheet that estimates power consumption is provided along with this application report. This spreadsheet can be used to model power consumption for user applications such as power supply desig
Current or Voltage Feedback/New, Flexible,Wide-Band Operational Amplifier OPA622
Texas InstrumentsThis application note will present the internal circuit configuration, specifications, and frequency response alignment of the OPA622 and will also describe its diverse applications.
Clock jitter analyzed in the time domain, Part 2
Texas InstrumentsPart 1 of this three-part article series focused on how to accurately estimate jitter from a clock source and combine it with the aperture jitter of an ADC. In this article, Part 2, that combined jitter will be used to calculate the ADC’s signal-to-noise ratio (SNR), which will then be compared against actual measurements.
Operating the TPS61042 from Two Li-Ion and Input Voltages Higher than 6V
Texas InstrumentsThe following designs show how to operate the TPS61042 switch boost converter from input voltages greater than 6 V.
TMS320C6000 Code Optimization Partitioning Strategies to Improve Inner Loop Perf
Texas InstrumentsThis document descibes the process used to develop loop partitioning for the Texas Instruments (TI)(tm) TMS320C6x digital signal processor (DSP). The 'C6x code generation tools go through five basic phases when scheduling a loop. At each of these stages there is a set of heuristics which try to make intelligent decisions where multiple options exist. This document focuses on the third stage parti
Using the Wireless SimpleLink CC26xx in Ext Regulator Mode With the TPS62740
Texas InstrumentsThis application report describes the set-up and expected performance when using the CC2640 in external regulator mode together with the TPS62740. Although this application report focuses on the CC2640 and Bluetooth® Smart applications the solutions provided are also applicable for the entire CC26xx family and its supported protocols. Note that waveforms and power consumption measurement r
Power Two Xilinx(TM) LX240 Virtex-6(TM) Devices
Texas InstrumentsThis reference design is intended to help designers wishing to use two of the new Virtex-6™ LX240 FPGA along with DDR memory and other optional circuitry in their designs. It provides nine rails of lower voltage with an input of 12 volts. The use of PTH T2 modules provides a high-performance solution for good transient response and tight regulation while conserving valuable board space.
TFP501 EEPROM Considerations
Texas InstrumentsThe user has a variety of EEPROMs to select for use with the TFP501. This report describes some considerations for selecting an EEPROM for use with the TFP501. Examination of the I2C activity of the TFP501 can provide an understanding of the power on requirements for the device in test. Comparison of EEPROM activity to known results can aid in diagnosis of board problems.
