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參數(shù)資料
| 型號(hào)： | PCM4201 |
| 英文描述： | Low Power, 24-Bit, Single Channel Audio Analog-to-Digital Converter |
| 中文描述： | 低功耗，24位，單聲道音頻模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 10/21頁 |
| 文件大?。?/td> | 248K |
| 代理商： | PCM4201 |
SBAS342A DECEMBER 2004 REVISED MARCH 2005
www.ti.com
10
PRODUCT OVERVIEW
The PCM4202 is a single channel audio analog-to-digital
converter (ADC) designed for use in low power, battery-
operated or portable professional audio equipment. Target
applications include digital wireless microphones, and
portable
digital
audio
recorders/processors.
PCM4201 features 24-bit linear PCM output data, with a
format compatible with digital signal processors, digital
audio interface transmitters, and programmable logic
devices.
The
The PCM4201 includes three sampling modes, supporting
sampling rates up to 108kHz. The Normal Speed, Low
Power mode supports sampling rates up to 54kHz, and
employs 64x oversampling to reduce overall converter
power. The Normal Speed, High Performance mode
supports sampling rates up to 54kHz with 128x
oversampling, resulting in improved dynamic range and
THD+N when compared to the Low Power mode, at the
expense of increased power dissipation. The Double
Speed mode supports sampling frequencies up to 108kHz
and is provided for those applications where higher
sampling rates may be required.
A digital high-pass filter is included for DC removal.
Dedicated control pins are included for sampling mode
selection, Slave/Master mode audio serial port operation,
digital high-pass filter enable/disable, and reset/
power-down functions.
A +5V power supply is required for the analog section of
the device, while a +3.3V power supply is typically utilized
for the digital section. The digital supply may be operated
at voltages as low as +1.8V, with a corresponding 10 to 20
milliwatt (mW) reduction in power dissipation, depending
upon the sampling mode selection. Figure 1 shows the
functional block diagram for the PCM4201.
HPF
DeltaSigma
Modulator
Decimation
Filter
Voltage
Reference
V
REF
+
V
REF
V
IN
R+
V
IN
R
Power
V
DD
AGND
Reset
Logic
Clock
Control
Audio
Serial
Port
DGND
V
CC
FSYNC
BCK
DATA
S/M
RATE
SCKI
RST
HPFD
Figure 1. PCM4201 Functional Block Diagram
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| PCM4201PW | Low Power, 24-Bit, Single Channel Audio Analog-to-Digital Converter |
| PCM4201PWR | Low Power, 24-Bit, Single Channel Audio Analog-to-Digital Converter |
| PCM4222_07 | High-Performance, Two-Channel, 24-Bit, 216kHz Sampling Multi-Bit Delta-Sigma Analog-to-Digital Converter |
| PCM4222PFBG4 | High-Performance, Two-Channel, 24-Bit, 216kHz Sampling Multi-Bit Delta-Sigma Analog-to-Digital Converter |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCM4201EVM | 功能描述:音頻 IC 開發(fā)工具 PCM4201EVM Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V |
| PCM4201PW | 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC Low Power 24-Bit Single Ch Audio A/D RoHS:否 制造商:Wolfson Microelectronics 轉(zhuǎn)換速率: 分辨率: ADC 輸入端數(shù)量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: 封裝: |
| PCM4201PW | 制造商:Texas Instruments 功能描述:IC ADC 24-BIT AUDIO 1CH 16-TSSOP 制造商:Texas Instruments 功能描述:IC, ADC 24-BIT AUDIO 1CH 16-TSSOP 制造商:Texas Instruments 功能描述:IC, ADC 24-BIT AUDIO 1CH 16-TSSOP; Resolution (Bits):24bit; Sampling Rate:108kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:13mA; Digital IC Case Style:TSSOP; No. of Pins:16; ;RoHS Compliant: Yes |
| PCM4201PWG4 | 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC Low Power 24-Bit Single Ch Audio A/D RoHS:否 制造商:Wolfson Microelectronics 轉(zhuǎn)換速率: 分辨率: ADC 輸入端數(shù)量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: 封裝: |
| PCM4201PWR | 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC Low Power 24-Bit Single Ch Audio A/D RoHS:否 制造商:Wolfson Microelectronics 轉(zhuǎn)換速率: 分辨率: ADC 輸入端數(shù)量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: 封裝: |
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