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PCM3052ARTFR.B中文资料

厂家型号

PCM3052ARTFR.B

文件大小

724.81Kbytes

页面数量

48

功能描述

24-BIT, 96-kHz STEREO AUDIO CODEC WITH MICROPHONE AMPLIFIER, BIAS, MUXTIPLEXER, AND PGA

数据手册

下载地址一下载地址二到原厂下载

生产厂商

TI2

PCM3052ARTFR.B数据手册规格书PDF详情

FEATURES

· Microphone Amplifier and Bias

– Monaural Microphone Amplifier: 34-dB Gain

at Differential Input

– Microphone Bias: 1 mA at 3.75 V

· Multiplexer and PGA

– Multiplex of Stereo Single-Ended Line

Inputs and Monaural Microphone Amplifier

– 0.1 Vrms to 1.5 Vrms Full-Scale Input Range

– 22-kW Input Resistance at 0.1-Vrms Input

– 20 dB to –4 dB/range, 1 dB/step PGA

· Reference Output: ±10 mA at 2.5 V

· 24-Bit Delta-Sigma ADC and DAC

· Stereo ADC:

– Full-Scale Input: 3 Vp-p

– Antialiasing Filter Included

– 1/64 Decimation Filter:

· Pass-Band Ripple: ±0.05 dB

· Stop-Band Attenuation: –65 dB

– On-Chip High-Pass Filter: 0.91 Hz at

fS = 48 kHz

– High Performance:

· THD+N: –94 dB (Typical) Analog·

SNR: 101 dB (Typical)

· Dynamic Range: 101 dB (Typical)

· Stereo DAC:

– Single-Ended Voltage Output: 4 Vp-p

– Analog Low-Pass Filter Included

– ´8 Oversampling Digital Filter:

· Pass-Band Ripple: ±0.03 dB

· Stop-Band Attenuation: –50 dB

– High Performance:

· THD+N: –97 dB (Typical)

· SNR: 105 dB (Typical)

· Dynamic Range: 104 dB (Typical)

· S/PDIF Output for DAC Digital Input

· Multiple Functions With I2C Interface:

– Digital De-Emphasis: 32-, 44.1-, 48-kHz

– Zipper-Noise-Free Digital Attenuation and

Soft Mute for DAC

– HPF Bypass Control for ADC

– S/PDIF Output Control

– Power Down: ADC/DAC Independently

· External Power-Down Pin:

– ADC/DAC Simultaneously

· Audio Data Format: 24-Bit I2S Only

· Sampling Rate:

– 16–96 kHz for Both ADC and DAC

· System Clock: 256 fS Only

· Dual Power Supplies:

– 5 V for Analog and 3.3 V for Digital

· Package: VQFN-32

DESCRIPTION

The PCM3052A is a low-cost, single-chip, 24-bit

stereo audio codec (ADC and DAC) with

single-ended analog voltage input and output. It also

has an analog front end consisting of a 34-dB microphone amplifier, microphone bias generator, 2

stereo multiplexers, and a wide-range PGA. Analog·

to-digital converters (ADCs) employ delta-sigma

modulation with 64-times oversampling. On the other

hand, digital-to-analog converters (DACs) employ

modulation with 64- and 128-times oversampling.

ADCs include a digital decimation filter with a

high-pass filter, and DACs include an 8-times

oversampling digital interpolation filter. The

PCM3052A has many functions which are controlled

using the I2C interface: DAC digital de-emphasis,

digital attenuation, soft mute etc. The PCM3052A

also has an S/PDIF output pin for the DAC digital

input. The power-down mode, which works on ADCs

and DACs simultaneously, is provided by an external

pin. The PCM3052A is suitable for a wide variety of

cost-sensitive PC audio (recorder and player) applications where good performance is required.

The PCM3052A is fabricated using a highly advanced

CMOS process and is available in a small 32-pin

VQFN package.

更新时间:2025-10-16 15:14:00
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