Datasheet > PCM1821IRTER

PCM1821IRTER

更新时间： 2024-11-14 02:50:55

品牌	Logo	应用领域
德州仪器 - TI		PC
页数	文件大小	规格书
41页	3291K
描述
PCM182x Stereo Channel, 32-Bit, 192-kHz, Burr-BrownTM Audio ADC

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PCM1821IRTER 数据手册

PCM1820, PCM1821

SBASA61A – DECEMBER 2020 – REVISED JUNE 2021

PCM182x Stereo Channel, 32-Bit, 192-kHz, Burr-Brown^TMAudio ADC

1 Features

3 Description

•

Stereo high-performance ADC:

– 2-channel analog microphones or line-in

ADC line and microphone differential input

performance:

The PCM182x is a high-performance, Burr-Brown^™

audio analog-to-digital converter (ADC) that supports

simultaneous sampling of up to two analog channels.

The device supports differential line and microphone

inputs with a 2-V_RMSfull-scale signal. The device

•

– PCM1820 dynamic range:

integrates

phase-locked loop (PLL),

•

123-dB, dynamic range enhancer enabled

113-dB, dynamic range enhancer disabled

removal high-pass filter (HPF), and supports sample

rates up to 192 kHz. The device supports time-

division multiplexing (TDM) or I²S audio formats,

selectable with the hardware pin level. Additionally,

the PCM182x supports master and slave mode

selection for the audio bus interface operation.

These integrated high-performance features, along

with the ability to be powered from a single supply

of 3.3 V, make the device an excellent choice for cost-

sensitive, space-constrained audio systems in far-field

microphone recording applications.

– PCM1821 dynamic range: 106 dB

– THD+N: –95 dB

•

ADC differential 2-V_RMSfull-scale input

ADC sample rate (f_S) = 8 kHz to 192 kHz

Hardware pin control configurations

Linear-phase or low-latency filter selection

Flexible audio serial data interface:

– Master or slave interface selection

– 32-bits, 2-channel TDM

– 32-bits, 2-channel I²S

•

Automatic power-down upon loss of audio clocks

Integrated high-performance audio PLL

Single-supply operation: 3.3 V

I/O-supply operation: 3.3 V or 1.8 V

Power consumption for 3.3-V AVDD supply:

– 19.6 mW/channel at 16-kHz sample rate

– 21.3 mW/channel at 48-kHz sample rate

The PCM182x is specified from –40°C to +125°C, and

is offered in a 20-pin WQFN package.

Device Information⁽¹⁾

PART NUMBER

PACKAGE

BODY SIZE (NOM)

3.00 mm × 3.00 mm with

0.5-mm pitch

PCM182x

WQFN (20)

(1) For all available packages, see the package option

addendum at the end of the data sheet.

2 Applications

•

Smart speakers

DVD recorders and players

AV receivers

Video conference systems

IP network cameras

Simplified Block Diagram

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...41

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与PCM1821IRTER相关器件

型号	品牌	获取价格	描述	数据表
PCM1821-Q1	TI	获取价格	汽车类、立体声、106dB SNR、192kHz、低功耗、硬件控制的音频 ADC
PCM1821QRTERQ1	TI	获取价格	汽车类、立体声、106dB SNR、192kHz、低功耗、硬件控制的音频 ADC \| RT
PCM1822	TI	获取价格	汽车类、117dB SNR、192kHz、低功耗、硬件控制的音频 ADC
PCM1822IRTER	TI	获取价格	汽车类、117dB SNR、192kHz、低功耗、硬件控制的音频 ADC \| RTE \|
PCM1822-Q1	TI	获取价格	汽车类、立体声、117dB SNR、192kHz、硬件控制的音频 ADC
PCM1822QRTERQ1	TI	获取价格	汽车类、立体声、117dB SNR、192kHz、硬件控制的音频 ADC \| RTE \|
PCM182X	TI	获取价格	PCM182x Stereo Channel, 32-Bit, 192-kHz, Burr-BrownTM Audio ADC
PCM1840	TI	获取价格	四通道、32 位、192kHz 音频模数转换器 (ADC)
PCM1840IRTWR	TI	获取价格	四通道、32 位、192kHz 音频模数转换器 (ADC) \| RTW \| 24 \| -4
PCM1840IRTWT	TI	获取价格	四通道、32 位、192kHz 音频模数转换器 (ADC) \| RTW \| 24 \| -4

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