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PCM6240-Q1

ACTIVE

Automotive, 4-channel audio ADC with integrated programmable mic bias & input diagnostics

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Data sheet

PCM6240-Q1

ACTIVE
Data sheet Order now

Product details

Number of ADC channels 4 Analog inputs 4 Digital audio interface I2S, L, TDM Control interface I2C, SPI Sampling rate (max) (kHz) 768 ADC SNR (typ) (dB) 110 Rating Automotive Operating temperature range (°C) -40 to 125
Number of ADC channels 4 Analog inputs 4 Digital audio interface I2S, L, TDM Control interface I2C, SPI Sampling rate (max) (kHz) 768 ADC SNR (typ) (dB) 110 Rating Automotive Operating temperature range (°C) -40 to 125
WQFN (RTV) 32 25 mm² 5 x 5
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C ≤ TA ≤ +125°C
  • ADC performance:
    • Line differential input dynamic range: 110 dB
    • Microphone differential input dynamic range: 110 dB
    • THD+N: –95 dB
    • Channel summing mode supports high SNR
  • ADC input voltage:
    • Differential, 10-VRMS full-scale inputs
    • Single-ended, 5-VRMS full-scale inputs
  • ADC sample rate (fS) = 8 kHz to 768 kHz
  • Programmable channel settings:
    • Channel gain: 0 dB to 42 dB, 1-dB steps
    • Digital volume control: –100 dB to 27 dB
    • Gain calibration with 0.1-dB resolution
    • Phase calibration with 163-ns resolution
  • Programmable microphone bias (5 V to 9 V):
    • With integrated efficient boost converter, or
    • With external high voltage HVDD supply
  • Programmable microphone input fault diagnostics:
    • Open inputs or shorted inputs
    • Short to ground, MICBIAS or VBAT
    • Microphone bias over current protection
  • Low-latency signal processing filter selection
  • Programmable HPF and biquad digital filters
  • I2C or SPI controls
  • Audio serial data interface:
    • Format: TDM, I2S, or left-justified (LJ)
    • Word length: 16 bits, 20 bits, 24 bits, or 32 bits
    • Master or slave interface
  • Single-supply, 3.3-V operation
  • I/O supply operation: 3.3 V or 1.8 V
  • Power consumption:
    • < 20 mW/channel at 48-kHz
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C ≤ TA ≤ +125°C
  • ADC performance:
    • Line differential input dynamic range: 110 dB
    • Microphone differential input dynamic range: 110 dB
    • THD+N: –95 dB
    • Channel summing mode supports high SNR
  • ADC input voltage:
    • Differential, 10-VRMS full-scale inputs
    • Single-ended, 5-VRMS full-scale inputs
  • ADC sample rate (fS) = 8 kHz to 768 kHz
  • Programmable channel settings:
    • Channel gain: 0 dB to 42 dB, 1-dB steps
    • Digital volume control: –100 dB to 27 dB
    • Gain calibration with 0.1-dB resolution
    • Phase calibration with 163-ns resolution
  • Programmable microphone bias (5 V to 9 V):
    • With integrated efficient boost converter, or
    • With external high voltage HVDD supply
  • Programmable microphone input fault diagnostics:
    • Open inputs or shorted inputs
    • Short to ground, MICBIAS or VBAT
    • Microphone bias over current protection
  • Low-latency signal processing filter selection
  • Programmable HPF and biquad digital filters
  • I2C or SPI controls
  • Audio serial data interface:
    • Format: TDM, I2S, or left-justified (LJ)
    • Word length: 16 bits, 20 bits, 24 bits, or 32 bits
    • Master or slave interface
  • Single-supply, 3.3-V operation
  • I/O supply operation: 3.3 V or 1.8 V
  • Power consumption:
    • < 20 mW/channel at 48-kHz

The 4-channel PCM6x40-Q1 (PCM6240-Q1, PCM6340-Q1) and 6-channel PCM6x60-Q1 (PCM6260-Q1, PCM6360-Q1) are high-performance, audio analog-to-digital converters (ADCs) that support analog input signals up to 10 VRMS. The PCM6x40-Q1 and PCM6x60-Q1 (PCM6xx0-Q1) support line and microphone inputs, and allows for both single-ended and differential input configurations. These devices offer an integrated high-voltage, programmable microphone bias, and input diagnostic circuitry that allow direct connection to microphone-based automotive systems with full fault diagnostic capability for direct-coupled inputs. The PCM62x0-Q1 integrate an efficient boost converter to generate a high voltage microphone bias using an external, low-voltage, 3.3-V supply, whereas the PCM63x0-Q1 directly uses an external high-voltage supply (HVDD), which is a readily available supply in the system to generate the high-voltage, programmable microphone bias. The PCM6xx0-Q1 integrate the programable channel gain, digital volume control, a low-jitter phase-locked loop (PLL), a programmable high-pass filter (HPF), biquad filters, low-latency filter modes, and allows for sample rates up to 768 kHz. The PCM6xx0-Q1 support time-division multiplexing (TDM), I2S, or left-justified (LJ) audio formats, and can be controlled with either the I2C or SPI interface. These integrated high-performance features, along with a single, 3.3-V supply operation, make the PCM6xx0-Q1 family an excellent choice for space-constrained automotive systems.

The 4-channel PCM6x40-Q1 (PCM6240-Q1, PCM6340-Q1) and 6-channel PCM6x60-Q1 (PCM6260-Q1, PCM6360-Q1) are high-performance, audio analog-to-digital converters (ADCs) that support analog input signals up to 10 VRMS. The PCM6x40-Q1 and PCM6x60-Q1 (PCM6xx0-Q1) support line and microphone inputs, and allows for both single-ended and differential input configurations. These devices offer an integrated high-voltage, programmable microphone bias, and input diagnostic circuitry that allow direct connection to microphone-based automotive systems with full fault diagnostic capability for direct-coupled inputs. The PCM62x0-Q1 integrate an efficient boost converter to generate a high voltage microphone bias using an external, low-voltage, 3.3-V supply, whereas the PCM63x0-Q1 directly uses an external high-voltage supply (HVDD), which is a readily available supply in the system to generate the high-voltage, programmable microphone bias. The PCM6xx0-Q1 integrate the programable channel gain, digital volume control, a low-jitter phase-locked loop (PLL), a programmable high-pass filter (HPF), biquad filters, low-latency filter modes, and allows for sample rates up to 768 kHz. The PCM6xx0-Q1 support time-division multiplexing (TDM), I2S, or left-justified (LJ) audio formats, and can be controlled with either the I2C or SPI interface. These integrated high-performance features, along with a single, 3.3-V supply operation, make the PCM6xx0-Q1 family an excellent choice for space-constrained automotive systems.
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Technical documentation

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Type Title Date
* Data sheet PCM6xx0-Q1 Automotive, 4-Channel and 6-Channel, 768-kHz, Audio ADC With Integrated Microphone Bias and Input Fault Diagnostics datasheet (Rev. A) PDF | HTML 29 Jun 2020
Application note PCM6xx0-Q1 Use-Case Scenarios in Automotive Audio Applications (Rev. A) PDF | HTML 26 May 2022
Application note Scalable Automotive Audio Solutions Using the PCM6xx0-Q1 Family of Products (Rev. A) PDF | HTML 26 May 2022
Application note PCM6xx0-Q1 Power Consumption Matrix Across Various Usage Scenario (Rev. A) PDF | HTML 21 Sep 2021
Application note Configuring and Operating PCM6xx0-Q1 as Audio Bus Controller PDF | HTML 10 Jun 2021
Technical article 4 audio trends transforming the automotive industry PDF | HTML 13 Jul 2020
EVM User's guide PCM6xx0Q1EVM-PDK Evaluation Module (Rev. B) 30 Jun 2020
Application note PCM62X0 Integrated Analog Anti-Aliasing Filter and Flexible Digital Filter 15 Jun 2020
Application note PCM62X0-Q1 Sampling Rates and Programmable Processing Blocks Supported 15 May 2020
Application note PCM6xx0 Programmable Biquad Filter Configuration and Applications 09 Apr 2020
Application note Multiple PCm6xx0 Devices With Shared TDM and I2C Bus PDF | HTML 08 Apr 2020
Application note PCM6xx0-Q1 Fault Diagnostic Features 20 Feb 2020

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

PCM6240Q1EVM-PDK — PCM6240-Q1 4-ch audio ADC with integrated programmable microphone bias evaluation module

The PCM6240-Q1 evaluation module (EVM) performance demonstration kit (PDK) allows the user to test the capabilities of the PCM6240-Q1 device, which is a a four-channel, high-performance audio analog-to-digital converter (ADC) that supports analog input signals up to 10 VRMS.

PCM6240-Q1 supports line (...)

User guide: PDF
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Software codec

PCMXXXX-DRIVERS — Linux drivers for TI's PCM6xxx, TLV320ADCxxxx and PCM5xxx device families.

PCMxxxx Linux driver supports TI's PCM6xxx, TLV320ADCxxxx and PCM5xxx device families. This Linux driver implements a flexible and configurable register setting for one or multiple devices in a bin file, will enable fast development for applications.
Supported products & hardware

Supported products & hardware

Products
Audio ADCs
PCM6240-Q1 — Automotive, 4-channel audio ADC with integrated programmable mic bias & input diagnostics PCM6260-Q1 — Automotive 6-ch audio ADC with integrated programmable mic bias, boost and input diagnostics PCM6340-Q1 — Automotive 4-ch audio ADC with integrated microphone bias and input diagnostics PCM6360-Q1 — Automotive 6-ch audio ADC with integrated microphone bias and input diagnostics TLV320ADC5140 — Quad-channel 768-kHz Burr-Brown™ audio analog-to-digital converter (ADC) with 120-dB SNR
Audio DACs
PCM5141 — 2V RMS DIRECTPATH 106dB Audio Stereo DAC with PCM interface and fully programmable miniDSP
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Support software

PCM6260QEVM-SW — Evaluation software for PCM6260QEVM-PDK, PCM6360QEVM-PDK and PCM6240QEVM-PDK

Evaluation software for PCM6260QEVM-PDK, PCM6360QEVM-PDK and PCM6240QEVM-PDK
Supported products & hardware

Supported products & hardware

Products
Audio ADCs
PCM6240-Q1 — Automotive, 4-channel audio ADC with integrated programmable mic bias & input diagnostics PCM6260-Q1 — Automotive 6-ch audio ADC with integrated programmable mic bias, boost and input diagnostics PCM6360-Q1 — Automotive 6-ch audio ADC with integrated microphone bias and input diagnostics
Hardware development
Evaluation board
PCM6240Q1EVM-PDK — PCM6240-Q1 4-ch audio ADC with integrated programmable microphone bias evaluation module PCM6260Q1EVM-PDK — PCM6260-Q1 evaluation module for six-channel audio ADC with integrated programmable microphone bias PCM6360Q1EVM-PDK — PCM6360-Q1 6-ch audio ADC with integrated microphone bias and input diagnostics evaluation module
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Support software

SBAC263 — PCM6xx0-Q1 AC Coupled External Resistor Calculator

Supported products & hardware

Supported products & hardware

Products
Audio ADCs
PCM6240-Q1 — Automotive, 4-channel audio ADC with integrated programmable mic bias & input diagnostics PCM6260-Q1 — Automotive 6-ch audio ADC with integrated programmable mic bias, boost and input diagnostics PCM6360-Q1 — Automotive 6-ch audio ADC with integrated microphone bias and input diagnostics
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Gerber file

PCM6xx0Q1EVM-PDK Gerber Files

SBAC277.ZIP (294 KB)
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Simulation tool

SBAM436 — PCM6xx0-Q1 SIMULATION Models

Supported products & hardware

Supported products & hardware

Products
Audio ADCs
PCM6240-Q1 — Automotive, 4-channel audio ADC with integrated programmable mic bias & input diagnostics PCM6260-Q1 — Automotive 6-ch audio ADC with integrated programmable mic bias, boost and input diagnostics PCM6340-Q1 — Automotive 4-ch audio ADC with integrated microphone bias and input diagnostics PCM6360-Q1 — Automotive 6-ch audio ADC with integrated microphone bias and input diagnostics
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