TLV320ADC5140
Vierkanaliger Analog-zu-Digital-Wandler (ADC) für den Audiobereich von Burr-Brown™ mit 768 kHz und 1
TLV320ADC5140
- Multichannel high-performance ADC:
- 4-channel analog microphones or line-in,
- 8-channel digital PDM microphones, or
- Combination of analog and digital microphones
- ADC line and microphone differential input performance:
- Dynamic range (DR):
- 120-dB, dynamic range enhancer (DRE) enabled
- 108-dB, DRE disabled
- THD+N: –98 dB
- Dynamic range (DR):
- ADC channel summing mode, DR performance:
- 111-dB, DRE disabled, 2-channel summing
- 114-dB, DRE disabled, 4-channel summing
- ADC input voltage:
- Differential, 2-VRMS full-scale inputs
- Single-ended, 1-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 or supply voltage generation
- Low-latency signal processing filter selection
- Programmable HPF and biquad digital filters
- Automatic gain controller (AGC)
- I2C or SPI controls
- Integrated high-performance audio PLL
- Automatic clock divider setting configurations
- 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 operation: 3.3 V or 1.8 V
- I/O-supply operation: 3.3 V or 1.8 V
- Power consumption for 1.8-V AVDD supply:
- 8.5 mW/channel at 16-kHz sample rate
- 9.2 mW/channel at 48-kHz sample rate
The TLV320ADC5140 is a Burr-Brown™ high-performance, audio analog-to-digital converter (ADC) that supports simultaneous sampling of up to four analog channels or eight digital channels for the pulse density modulation (PDM) microphone input. The device supports line and microphone inputs, and allows for both single-ended and differential input configurations. The device integrates programable channel gain, digital volume control, a programmable microphone bias voltage, a 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 device supports 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 the ability to be powered from a single-supply of 3.3 V or 1.8 V, make the device an excellent choice for space-constrained audio systems in far-field microphone recording applications.
The TLV320ADC5140 is specified from –40°C to +125°C, and is offered in a 24-pin WQFN package.
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ADC5140EVM-PDK — TLV320ADC5140 – Evaluierungsmodul für vierkanaligen Burr-Brown™-Audio-ADC, 768 kHz
The ADC5140EVM-PDK is an evaluation module (EVM) that allows the user to test the capabilities of the TLV320ADC5140 device, which is a quad-channel, high-performance audio analog-to-digital converter (ADC). TLV320ADC5140 is intended for voice-activated systems, professional (...)
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SBAC290 — TLV320ADCx140 C Source Headers
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Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
---|---|---|
WQFN (RTW) | 24 | Ultra Librarian |
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