AD28MSP02BN

Overview

The AD28MSP02BN is a voiceband signal port integrated circuit manufactured by Analog Devices Inc. It serves as a complete analog front end for DSP-based modems, integrating data conversion, filtering, and clock generation. The device features linear-coded 16-bit Sigma-Delta ADC and DAC with on-chip anti-alias and anti-image filters. It supports digital resampling and interpolation filters with programmable sampling rates of 7.2 kHz, 8.0 kHz, and 9.6 kHz. The component operates on a single +5 V supply and includes a power-down mode.

Feature Summary

• Integrates complete analog I/O port functionality for DSP-based fax and modem applications
• Includes linear-coded 16-bit Sigma-Delta ADC and DAC with built-in anti-alias and anti-image filters
• Supports software-programmable sample rates and clocking modes for various modem standards
• Features independent transmit and receive phase adjustment with serial interface to DSP processors

Applications

• High performance DSP-based modems
• V.32ter, V.32bis, V.32, V.22bis, V.22, V.21, Bell 212A, 103 Fax and Cellular-Compatible Modems
• Integrated Fax, Modem, and Speech Processing

Procurement Notes

Verify the specific suffix 'BN' against official Analog Devices documentation to confirm package type and temperature range specifications. Ensure compatibility with host DSP interfaces and +5 V power requirements. Confirm that the component meets the necessary industry standards for the intended modem application before procurement.

Selection Notes

Select this component for designs requiring a complete analog front end for voiceband signals. It is suitable for applications needing integrated data conversion and filtering without external components. Consider the +5 V operation and serial interface requirements when choosing this part over other signal ports.

Part Context

The AD28MSP02BN belongs to the AD28MSP series of voiceband signal ports from Analog Devices. These devices are designed to simplify system design by providing all necessary analog front-end functions for high-performance DSP-based modems in a single package.

Replacement Considerations

The AD28MSP02BR is listed as a similar part number within the same product family. Verify pinout and specification compatibility before substitution.