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PCM1841QRGERQ1 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

PCM1841QRGERQ1 product

PCM1841QRGERQ1

Analog to Digital Converters (ADC)

4-channel ADCaudio ADC32-bit192 kHzTDMautomotive

PCM1841QRGERQ1 is a four-channel automotive-grade audio ADC for synchronized analog microphone or line-input capture, with pin-configurable serial audio formats and sampling up to 192 kHz.

Best for

  • Four-channel synchronous analog microphone capture
  • Automotive audio and cockpit systems
  • TDM-connected audio acquisition

Avoid if

  • More than four analog input channels are required from one ADC
  • DRE is required above 48 kHz output sampling
  • The host cannot accept fixed 32-bit serial audio words

Check before use

  • Confirm differential input coupling capacitor selection
  • Verify BCLK and FSYNC timing for the chosen mode
  • Place VREF, MICBIAS, AREG, and DREG capacitors close to the device

Key specifications

Audio channels
4 differential channels
Output sample rate
7.35 kHz to 192 kHz
Input full scale
2 VRMS differential
Audio formats
TDM, I2S, LJ; 32-bit words
Dynamic range
123 dB with DRE

Compliance & Environment

RoHS
Yes
REACH
-
MSL
Level-2-260C-1 YEAR
ECCN
-
HTSUS
-

Application

Automotive audio systemsTelematics and digital cockpit modulesAnalog microphone arrays

Datasheet

sbau460

800 KB

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CAD Models

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PCB Footprint
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3D Model
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Alternative components

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Questions & answers

PCM1841QRGERQ1 is the orderable Texas Instruments PCM1841-Q1, a 24-pin VQFN four-channel, 32-bit audio analog-to-digital converter. It accepts differential analog microphone or line inputs and outputs serial audio data.