PCM1803ADB集成电路（IC）的ADC/DAC-特殊用途规格书PDF中文资料

PCM1803ADB属于集成电路（IC）的ADC/DAC-特殊用途。由美国德州仪器公司制造生产的PCM1803ADBADC/DAC - 特殊用途该产品族中的产品可用于模拟和数字表示的信息转换，适用于特定用例，或集成了通用数据转换器中不常见的其他功能。例如针对超声或汽车雷达应用集成了低噪声放大器和可变增益级的器件、注重音频和视频的产品、在段码式显示器上集成显示测量值功能的器件、集成输入输出电气隔离的器件等。

1 Features

1• 24-Bit Delta-Sigma Stereo A/D Converter

• Single-Ended Voltage Input: 3 Vp-p

• Oversampling Decimation Filter:

– Oversampling Frequency: ×64, ×128

– Pass-Band Ripple: ±0.05 dB

– Stop-Band Attenuation: –65 dB

– On-Chip High-Pass Filter: 0.84 Hz (44.1 kHz)

• High-Performance:

– THD+N: –95 dB (Typically)

– SNR: 103 dB (Typically)

– Dynamic Range: 103 dB (Typically)

• PCM Audio Interface:

– Master or Slave Mode Selectable

– Data Formats:

– 24-Bit Left-Justified

– 24-Bit I2S

– 20-, 24-Bit Right-Justified

• Sampling Rate: 16 kHz to 96 kHz

• System Clock: 256 fS, 384 fS, 512 fS, 768 fS

• Dual Power Supplies: 5 V for Analog, 3.3 V for

Digital

• Package: 20-Pin SSOP

2 Applications

• AV Amplifier Receivers

• MD Players

• CD Recorders

• Multitrack Receivers

• Electric Musical Instruments

3 Description

The PCM1803A device is high-performance, lowcost,

single-chip stereo analog-to-digital converter

with single-ended analog voltage input. The

PCM1803A uses a delta-sigma modulator with 64-

and 128-times oversampling, and includes a digital

decimation filter and high-pass filter, which removes

the DC component of the input signal. For various

applications, the PCM1803A supports master and

slave modes and four data formats in serial interface.

The PCM1803A is suitable for a wide variety of costsensitive

consumer applications where good

performance and operation from a 5-V analog supply

and 3.3-V digital supply are required. The PCM1803A

is fabricated using a highly-advanced CMOS process

and is available in a small 20-pin SSOP package.