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Product Detailed Parameters
- Description：IC PCM CODEC QUAD 32-PLCC
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：PCM, Filter
- Data Interface：PCM Audio Interface
- Resolution (Bits)：8 b
- Sigma Delta：No
- S/N Ratio, ADCs / DACs (db) Typ：-
- Dynamic Range, ADCs / DACs (db) Typ：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：4.75V ~ 5.25V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：32-LCC (J-Lead)
- Supplier Device Package：32-PLCC (14x11.46)
- Grade：-
- Qualification：-
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Overview
The Renesas Electronics Corporation 821024JG8 is a single-chip, four-channel PCM CODEC featuring on-chip digital filters. It provides analog-to-digital and digital-to-analog conversions supporting both A-law and μ-law companding. The device integrates fixed transmit and receive filters for voice telephone circuits to interface with time-division multiplexed systems. It operates from a 4.75V to 5.25V digital supply voltage within a -40°C to 85°C temperature range. The component utilizes a 32-PLCC (14x11.46mm) surface-mount package. It contains four ADCs and four DACs with an 8-bit resolution.
Feature Summary
- Integrates four independent channels for simultaneous audio processing
- Includes internal digital signal processors for transmit and receive filtering
- Supports standard telephony companding algorithms for voice optimization
Applications
- Time-division multiplexed communication systems
- Voice telephone circuit interfaces
- PCM audio codec implementations
Procurement Notes
Verify the End-of-Life notification dated March 11, 2026, which indicates this product will cease production. Confirm availability through authorized distributors before finalizing design-in decisions. Ensure compatibility with existing system clocks derived from MCLK. Check for any recent Product Change Notices regarding assembly site or labeling updates that may affect integration.
Selection Notes
Select this component when designing systems requiring integrated PCM filtering without external DSP resources. Verify that the 32-PLCC package fits the PCB layout constraints. Ensure the power supply meets the 4.75V to 5.25V requirement. Consider the operating temperature range if the application involves harsh environments. Confirm interface compatibility with the target TDM bus architecture.
Part Context
This part belongs to the 821024 series of quad-channel PCM CODECs manufactured by Renesas Electronics. It serves as a specialized interface solution for converting analog voice signals into digital PCM formats and vice versa. The JG8 suffix denotes the specific 32-pin PLCC package variant. It is distinct from general-purpose audio codecs due to its dedicated telephony filter characteristics.
Replacement Considerations
Check for direct pin-compatible substitutes within the same family. Verify if alternative manufacturers offer equivalent quad-channel PCM CODECs with similar filter responses. Ensure any replacement supports the required A-law and μ-law companding standards.
