- 制造厂商：TI
- 产品类别：音频
- 技术类目：音频转换器 - 音频 ADC
- 功能描述：具有单端输入的 103dB SNR 立体声模数转换器 (ADC)
- 点击这里打开及下载PCM1803A的技术文档资料
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The PCM1803A device is high-performance, low-cost, 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 cost-sensitive 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.
- 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
- Number of ADC channels
- 2
- Analog inputs
- 2
- Digital audio interface
- I2S, L, R
- Control interface
- H/W
- Sampling rate (Max) (kHz)
- 96
- ADC SNR (Typ) (dB)
- 103
- Rating
- Catalog
PCM1803A的完整型号有：PCM1803ADB、PCM1803ADBR，以下是这些产品的关键参数及官网采购报价：
PCM1803ADB，工作温度：-40 to 85，封装：SSOP (DB)-20，包装数量MPQ：65个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网PCM1803ADB的批量USD价格：2.06（1000+）
PCM1803ADBR，工作温度：-40 to 85，封装：SSOP (DB)-20，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网PCM1803ADBR的批量USD价格：1.717（1000+）
PCM1803AEVM — PCM1803A evaluation module for single-ended analog-input 24-bit, 96-kHz stereo ADC
The PCM1803AEVM is an evaluation module (EVM) designed to demonstrate the performance and functionality of the PCM1803A device. The PCM1803A is a high-performance, low-cost, single-chip, stereo analog-to-digital converter (ADC) with single-ended analog voltage input.
PCM1803A IBIS Model
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