TLC320AD57C Sigma-Delta Stereo Analog-to-Digital Converter
Texas InstrumentsThe TLC320AD57C (?AD57C) is a sigma-delta stereo A/D converter providing 18-bit resolution with a signal-to-noise ratio of 97dB and a dynamic range of 91 dB. The device consists of two synchronous conversion path with a decimal decimation filter following the 64X oversampling sigma-delta modulator. This document describes the ?AD57C functions provides circuit configuration schematics and characte
Phase-Lock Loop-Based (PLL) Clock Drivers: Benefits Versus Costs (Rev. A)
Texas InstrumentsThis document provides an overview of a PLL clock driver. The advantages and disadvantages of PLLs and the cost in designs are discussed. TI manufactures three low-voltage high-performance PLL clock drivers the CDC2582 CDC2586 and the CDC2586.
Fractional/Integer-N PLL Basics
Texas InstrumentsPhase Locked Loop (PLL) is a fundamental part of radio wireless and telecommunication technology. The goal of this document is to review the theory design and analysis of PLL circuits. PLL is a simple negative feedback architecture that allows economic multiplication of crystal frequencies by large variable numbers. By studying the loop components and their reaction to various noise sources we
Audio Power Amplifier Solutions for New Wireless Phones
Texas InstrumentsWireless phones continue to gain additional features making them more valuable to the end user. Many of these features involve increased audio functionality and hence some additional design effort on the audio portion of the phone. This paper gives an overview of audio amplifiers before describing different audio architectures that can be used to implement features like ear-bud speakers stereo
MSP430 Advanced Power Optimizations: ULP Advisor SW and EnergyTrace Technology
Texas InstrumentsMSP430 microcontrollers are designed specifically for ultra-low-power applications. Features such as multiple low-power modes instant wakeup intelligent autonomous peripherals and much more to enable such ultra-low-power capabilities. Texas Instruments provides valuable tools to help the programmer fully use these benefits and optimize power consumption of the target application. This app
ULP Temperature-Compensated RTC on MSP430F6736
Texas InstrumentsULP Temperature-Compensated RTC on MSP430F6736 Written by Chinese Engineer
DN112 -- Using UART in CC111xFx CC243x CC251xFx and CC253xFx (Rev. B)
Texas InstrumentsThis design note describes the key elements and simple usage of the CC111xFx/CC243xFx/CC251xFx/CC253xFx USART peripheral in UART mode. The main objective is to explain the CC111xFx/CC243xFx/CC251xFx/CC253xFx software required to operate the UART with and without DMA support.
Expanded System Monitoring Functions with UCD9080 (Rev. A)
Texas InstrumentsExpanded System Monitoring Functions with UCD9080
CAN Bus Bootloader for RM46 MCU
Texas InstrumentsA bootloader enables field updates of application firmware. A controller area network (CAN) bootloader enables firmware updates over the CAN bus. The CAN ootloader described in this application report is based on the Hercules™ ARM® Cortex™-R4 microcontroller. This application report describes the CAN protocol used in the bootloader and details each supported command.
AN-C V/F Converter ICs Handle Frequency-to-Voltage Needs (Rev. B)
Texas InstrumentsSimplify your frequency-to-voltage (F/V) converter designs with versatile V/F ICs. Starting with a basicconverter circuit you can modify it to meet almost any application requirement. You can spare yourselfsome hard labor when designing F/V converters by using a voltage-to-frequency (V/F) IC in your designs.These ICs form the basis of a series of accurate yet economical F/V converters sui
Developing a Low Bit Rate Speech Coder Based on the Half Rate GSM Standard-'C30
Texas InstrumentsThis application report describes the development of a low bit rate speech coder based on the GSM HR (Half Rate) speech coding standard using the Texas Instruments (TITM) TMS320C30 digital signal proc
SN75976A 9-Channel Differential Transceiver Thermal Analysis
Texas InstrumentsThe purpose of this paper is to analyze the power consumption and the junction temperatures of the SN75976A1DL SN75976A2DL SN75976A1DGG or N75976A2DGG 9-Channel Differential Transceivers in typical applications.
Using IRES and RMAN Framework Components for C64x+
Texas InstrumentsIRES is a TMS320 DSP Algorithm Standard (xDAIS) interface for management and utilization of special resource types such as hardware accelerators certain types of memory and DMA. RMAN is a generic Resource Manager that manages software components' logical resources based on their IRES interface configuration. Both IRES and RMAN are Framework Component modules. This document presents an overview of
Design Tradeoffs When Implementing IEEE 1149.1 (Rev. A)
Texas InstrumentsMany design trade-offs occur when implementing the IEEE 1149.1 in integrated circuits (ICs) printed wiring boards (PWB) and systems. This document presents an overview of IEEE 1149.1 its logic and design trade-offs PWB design and system tasks.
EMI Considerations for DC to DC Converters and Integrated Switching Regulators (Rev. A)
Texas InstrumentsEMI Considerations for DC to DC Converters and Integrated Switching Regulators All Products
Hardware Design Considerations for an Electric Bicycle using BLDC Motor
Texas InstrumentsA traditional bicycle is a two-wheel vehicle that is propelled by the rider who delivers muscle power through pedals that rotate one of the two wheels. The rider steers the front wheel to create a force that returns and maintains the vehicle center of gravity into a stable zone whenever necessary, thus keeping the bicycle upright. An electric bicycle carries batteries that deliver electric power to a motor that is coupled to either wheel. In most electric bicycles the rider can chose to use muscle power to deliver all, part, or none of the propulsion power required to maintain an adopted travel speed. Some models even sense pedal pressure and command the motor to deliver more power whenever the rider pedals harder.
Measuring Single-Ended 0V-5V Signals with Differential Delta-Sigma ADCs (Rev. A)
Texas InstrumentsMeasuring Single-Ended 0V-5V Signals with Differential Delta-Sigma ADCs Measuring Single-Ended 0V-5V Signals with Differential Delta-Sigma ADCs
