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LMV1026 - (LMV1024 / LMV1026) PDM Output

Datasheet Summary

Description

National’s LMV1024 and LMV1026 stereo amplifiers are solutions for the new generation of voice enrichment capabilities.

National has integrated sigma delta modulation and analog cores to improve the voice quality and the performance and to support designer’s choices.

Features

  • (Typical VDD = 1.8V, CLOCK = 1.2 MHz, fINPUT = 1 kHz, VINPUT = 18 mVPP, unless otherwise specified) n Enhanced high-performance, full PDM output from the element n Stereo chipset and array routing n SNR A-weighted 59 dB n Digital A-weighted noise floor.
  • 89 dBFS n Supply current 518 µA n Clock frequency 400 kHz to 2.4 MHz n Total harmonic distortion 0.03% n Power supply rejection ratio 100 dB n Adhesion technology > 1 kg n Highly integrated stereo or mono signaling n Maximized system perf.

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Datasheet preview – LMV1026

Datasheet Details

Part number LMV1026
Manufacturer National Semiconductor
File Size 1.16 MB
Description (LMV1024 / LMV1026) PDM Output
Datasheet download datasheet LMV1026 Datasheet
Additional preview pages of the LMV1026 datasheet.

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Full PDF Text Transcription

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LMV1024/LMV1026 PDM Output with Pre-Amplifier for Electret Microphones November 2005 LMV1024/LMV1026 (Stereo) PDM Output with Pre-Amplifier for Electret Microphones General Description National’s LMV1024 and LMV1026 stereo amplifiers are solutions for the new generation of voice enrichment capabilities. National has integrated sigma delta modulation and analog cores to improve the voice quality and the performance and to support designer’s choices. Each 20 kHz preamplifier drives a Pulse Density Modulated (PDM) signal at an over sampled 60 bit stream, offering www.DataSheet4U.com versatility. These solutions provide immediate conversion to high performance audio spectrum, thus completing a high quality audio system. The LMV1024 and LMV1026 operate from 1.6V to 3V.
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