TWL1103PBSR

$1.97

Mfr：Texas Instruments
Description：IC V-B AUDIO PROCESSOR 32-QFP
Package：Bulk

SKU:9f261298f34f Category: Audio Special Purpose Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Mfr：Texas Instruments
Description：IC V-B AUDIO PROCESSOR 32-QFP
Package：Bulk
Series：VBAP™
Function：-
Applications：-
Number of Channels：-
Interface：-
Voltage - Supply：-
Operating Temperature：-
Specifications：-
Mounting Type：Surface Mount
Package / Case：32-TQFP
Supplier Device Package：32-TQFP (5x5)
Grade：-
Qualification：-

Download product information

TWL1103PBSR

Overview

The TWL1103PBSR is a Voice-Band Audio Processor (VBAP) designed for analog and digital wireless handsets. It integrates transmit encoding A/D conversion, receive decoding D/A conversion, and filtering. The device supports 15-bit linear or 8-bit companded (µ-law/A-law) data modes via an I2C interface. Key features include two differential microphone inputs, one differential and one single-ended earphone output, programmable gain amplifiers, and a DTMF generator. It operates on a 2.7 V to 3.6 V supply with a -40°C to +85°C temperature range in a 32-TQFP package.

Feature Summary

Integrated voice-band audio processing with A/D and D/A conversion
Two differential microphone inputs and dual earphone outputs (differential/single-ended)
I2C control interface for programmable gain, mode selection, and power management
Built-in DTMF and single-tone generator with PDM buzzer output

Applications

Analog wireless handsets
Digital wireless handsets
Telecommunications applications

Procurement Notes

Verify the specific PBS suffix indicates the 32-TQFP (5x5) package configuration. Confirm that the component meets industrial temperature requirements (-40°C to +85°C). Ensure compatibility with the required 2.7 V to 3.6 V supply voltage range for the AVDD, DVDD, PLLVDD, and EARVDD pins during system design validation.

Selection Notes

Select this component when a dedicated voice-band processor is needed for wireless handset designs. It is suitable for applications requiring integrated microphone amplification, transmit/receive filtering, and earphone driving without external DSPs. Consider the 32-pin TQFP package constraints and the need for an external 2.048 MHz master clock input for proper operation.

Part Context

The TWL1103PBSR belongs to Texas Instruments' VBAP family of audio processors. It is specifically engineered to handle voice-band communications tasks, combining analog front-end capabilities with digital signal processing functions like companding and filtering into a single low-power solution for mobile communication devices.