Datasheet > TLV320ADC3120_V01

TLV320ADC3120_V01

更新时间： 2024-11-24 02:51:39

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
120页	5210K
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TLV320ADC3120 2-Channel, 768-kHz, Burr-BrownTM Audio ADC

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TLV320ADC3120

SBASA91A – DECEMBER 2020 – REVISED JUNE 2021

TLV320ADC3120 2-Channel, 768-kHz, Burr-Brown^TMAudio ADC

1 Features

3 Description

•

Multichannel high-performance ADC:

– 2-channel analog microphones or line-in

– 4-channel digital PDM microphones

– Up to 2 analog and up to 2 digital microphone

channels

ADC line and microphone differential input

performance:

– Dynamic range (DR): 106 dB

– THD+N: –95 dB

ADC channel summing mode, DR performance:

– 109-dB, 2-channel summing

ADC input voltage:

– Differential, 2-V_RMSfull-scale inputs

– Single-ended, 1-V_RMSfull-scale inputs

ADC sample rate (f_S) = 8 kHz to 768 kHz

Programmable channel settings:

– Channel gain: 0 dB to 42 dB, 0.5-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)

The TLV320ADC3120 is

Burr-Brown^™high-

performance, audio analog-to-digital converter (ADC)

that supports simultaneous sampling of up to two

analog channels or four 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 programmable

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, and allows for sample rates

up to 192 kHz. The device supports time-division

multiplexing (TDM), I²S, or left-justified (LJ) audio

formats, and can be controlled with the I²C 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 TLV320ADC3120 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)

Voice activity detection (VAD)

3.00 mm × 3.00 mm with

0.5-mm pitch

I²C control interface

TLV320ADC3120

WQFN (20)

Integrated high-performance audio PLL

Automatic clock divider setting configurations

Audio serial data interface:

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

addendum at the end of the data sheet.

– Format: TDM, I²S, or left-justified (LJ)

– Word length: 16 bits, 20 bits, 24 bits, or 32 bits

– Master or slave interface

Digital PDM Microphones

Interface 4-channel

PLL and Clock

Generation

IN1P

IN1M

GPIO1

•

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:

FSYNC

BCLK

Stereo ADC

with Front-End

PGA

Programmable

Digital Filters,

Biquads, AGC

Audio Serial

Interface

IN2P_GPI1

(TDM, I²S, LJ)

SDOUT

– 9.5 mW/channel at 48-kHz sample rate

IN2M_GPO1

2 Applications

SDA

SCL

MICBIAS_GPI2

VREF

•

Smart speakers

IP network cameras

Professional microphones and wireless systems

Video conference systems

MICBIAS, Regulators and

Voltage Reference

I²C Control Interface

Thermal Pad

(VSS)

AVDD

DREG

IOVDD

AREG

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...120

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与TLV320ADC3120_V01相关器件

型号	品牌	获取价格	描述	数据表
TLV320ADC3120IRTER	TI	获取价格	TLV320ADC3120 2-Channel, 768-kHz, Burr-BrownTM Audio ADC
TLV320ADC3140	TI	获取价格	具有 106dB SNR 的四通道、768kHz Burr-Brown™ 音频模数转换器
TLV320ADC3140IRTWR	TI	获取价格	具有 106dB SNR 的四通道、768kHz Burr-Brown™ 音频模数转换器
TLV320ADC3140IRTWT	TI	获取价格	具有 106dB SNR 的四通道、768kHz Burr-Brown™ 音频模数转换器
TLV320ADC5120	TI	获取价格	TLV320ADC3120 2-Channel, 768-kHz, Burr-BrownTM Audio ADC
TLV320ADC5120_V01	TI	获取价格	TLV320ADC5120 2-Channel, 768-kHz, Burr-BrownTM Audio ADC
TLV320ADC5120IRTER	TI	获取价格	TLV320ADC5120 2-Channel, 768-kHz, Burr-BrownTM Audio ADC
TLV320ADC5140	TI	获取价格	具有 120dB SNR 的四通道、768kHz Burr-Brown™ 音频模数转换器
TLV320ADC5140IRTWR	TI	获取价格	具有 120dB SNR 的四通道、768kHz Burr-Brown™ 音频模数转换器
TLV320ADC5140IRTWT	TI	获取价格	具有 120dB SNR 的四通道、768kHz Burr-Brown™ 音频模数转换器

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