Renesas IDT82V1054APFG8

Overview

IDT82V1054APFG8 from Integrated Device Technology is a quad-channel, programmable PCM CODEC with integrated digital filters, MPI interface, and SLIC signaling support. It performs A/µ-law or linear 14-bit+2-sign-bit analog-to-digital/digital-to-analog conversion, supports dual PCM buses up to 8.192 Mbps, and operates from a single +3.3 V supply across –40°C to +85°C industrial temperature range.

For engineers reviewing the IDT82V1054APFG8 datasheet, IDT82V1054APFG8 pinout, IDT82V1054APFG8 application, or IDT82V1054APFG8 equivalent, key selection criteria include its 64-pin TQFP package, hardware ring trip capability, dual chopper clocks, 7 SLIC signaling pins per channel, and programmable transhybrid balance for telephony line interface design.

Technical Context

The IDT82V1054APFG8 integrates four independent voice channels with oversampling ADC/DAC, dedicated digital filter hardware, and a programmable DSP core handling AC impedance matching, transhybrid balance, frequency response correction, and gain adjustment. Each channel features two tone generators and two debounced SLIC input pins.

Its MPI interface (CCLK/CS/CI/CO) enables register-level configuration of global/local registers and Coe-RAM coefficients, while dual PCM buses (DR1/DX1 and DR2/DX2) support time-slot–programmable data transfer with up to 7-BCLK frame offset and selectable sampling edge - all synchronized to MCLK frequencies from 1.536 MHz to 8.192 MHz.

Key Specifications

Pinout & Package

Package: 64-pin TQFP (10 mm × 10 mm, 0.5 mm pitch), lead-free and RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad-channel PCM CODEC applications.

Compared with TI TLV320AIC3254 and MAX11046BCP+, the IDT82V1054APFG8 uniquely delivers telephony-optimized signal chain integration - including hardware ring trip, 7 SLIC signaling pins per channel, programmable transhybrid balance, and MPI-controlled Coe-RAM - making it irreplaceable in Central Office, PBX, and IAD designs requiring standards-compliant G.711 voice processing.

Availability

IDT82V1054APFG8 is available at Aetrix Electronics and suitable for Central Office Switches, PBX gateways, and Integrated Access Devices requiring stable component supply, long-lifecycle assurance, and industrial-temperature performance.

Supply support for IDT82V1054APFG8 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Integrated Device Technology (IDT), now part of Renesas Electronics, is a fabless semiconductor company specializing in timing, memory interface, RF, and high-performance interconnect solutions.

The IDT82V1054APFG8 belongs to IDT's legacy telephony CODEC product line, designed specifically for digital switching systems requiring G.711/G.714 compliance, SLIC interface integration, and hardware-accelerated voice signal conditioning.

FAQ

What is the primary function of the IDT82V1054APFG8 in a telephony system?

The IDT82V1054APFG8 serves as a quad-channel PCM CODEC that converts analog voice signals to digital PCM streams (and vice versa) while providing on-chip digital filtering, SLIC signaling control, and hardware ring trip. In telephony systems, the IDT82V1054APFG8 handles A/µ-law companding, transhybrid balance, and PCM time-slot multiplexing - enabling direct interface between subscriber lines and TDM switch fabrics without external DSP or glue logic.

Does the IDT82V1054APFG8 support both A-law and µ-law companding?

Yes, the IDT82V1054APFG8 supports software-selectable A-law and µ-law companding per channel, as specified in ITU-T G.711. This selection is configured via local register LREG0, allowing mixed-law operation across its four channels. The IDT82V1054APFG8 also supports linear PCM coding with 14 effective bits plus 2 sign bits - providing flexibility for systems requiring uncompressed voice transport or custom processing.

How does the hardware ring trip feature work in the IDT82V1054APFG8?

The IDT82V1054APFG8 implements hardware ring trip by monitoring debounced SLIC signaling inputs (SI1/SI2) for off-hook transitions. Upon detection, it immediately reverses the polarity of the corresponding SO1 or SO2 output pin - terminating ringing voltage without CPU intervention or software latency. This deterministic response ensures compliance with telephony timing requirements (e.g., GR-909), and the IDT82V1054APFG8 maintains this behavior across its full –40°C to +85°C operating range.

What are the supported master clock (MCLK) frequencies for the IDT82V1054APFG8?

The IDT82V1054APFG8 supports nine discrete MCLK frequencies: 1.536 MHz, 1.544 MHz, 2.048 MHz, 3.072 MHz, 3.088 MHz, 4.096 MHz, 6.144 MHz, 6.176 MHz, and 8.192 MHz. These values align with standard telephony clock trees (E1, T1, DS0, and fractional multiples), and selection is made via global register GREG0. The IDT82V1054APFG8 uses MCLK to derive internal DSP timing, ADC/DAC sampling clocks, and chopper clock bases - ensuring jitter-free voice conversion.

Can the IDT82V1054APFG8 operate with a single 3.3 V supply?

Yes, the IDT82V1054APFG8 operates from a single +3.3 V supply, with separate analog (VDDA12, VDDA34, VDDB) and digital (VDDD) power domains internally regulated and decoupled. All digital I/O pins are 3.3 V compatible with 5 V tolerance, eliminating level-shifting requirements. The IDT82V1054APFG8 specifies low power consumption in both active and standby modes, and its thermal design supports continuous operation at +85°C ambient when properly decoupled with 0.1 µF capacitors on each VDDA/VDDD pin.