CD3269EVM-003

CD3269 evaluation module

CD3269EVM-003

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Overview

The CD326xEVM-003 helps designers evaluate the operation and performance of the CD3268 and CD3269 audio interface transmitters. The CD326x is a wired headset signaling transmitter with low quiescent current and compatibility with specially enabled audio interfaces. The EVM includes a built-in switch resistor network to allow for simulated button presses as inputs into the device.

Features
  • Compatible with specially enabled audio interfaces (iPhone® and iPad®)
  • Low quiescent current
  • Convenient probe points for logic and power measurements
General-purpose transceivers
CD3269A Audio transmitter, button (no mic, 3µA) and tone mode (mic, 110µA), 165kHz ACK frequency
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Evaluation board

CD3269EVM-003 — CD3269 evaluation module

Supported products & hardware

CD3269EVM-003 CD3269 evaluation module

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Technical documentation

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Type Title Date
* EVM User's guide Using the CD326x Evaluation Module May 14, 2025
Certificate CD3269EVM EU Declaration of Conformity (DoC) May 15, 2025

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