參數(shù)資料
型號(hào)： PCM4222PFB
英文描述： High-Performance, Two-Channel, 24-Bit, 216kHz Sampling Multi-Bit Delta-Sigma Analog-to-Digital Converter
中文描述： 高性能，雙通道，24位，216kHz的采樣多位Δ-Σ模擬到數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù)： 2/38頁(yè)
文件大?。?/td> 604K
代理商： PCM4222PFB
www.ti.com
DESCRIPTION
The PCM4222 is a high-performance, two-channel analog-to-digital (A/D) converter designed for use in
professional audio applications. Offering outstanding dynamic performance, the PCM4222 supports 24-bit linear
PCM, 1-bit Direct Stream Digital (DSD), and 6-bit modulator data outputs. The supported output formats make
the PCM4222 ideal for digital audio recording and processing applications. The multi-bit modulator output adds
versatility, allowing customers to design their own digital decimation filter and processing hardware. The on-chip,
linear phase decimation filtering engine supports Classic and Low Group Delay filter responses, allowing
optimization for either studio or live sound applications.
ORDERING INFORMATION
ABSOLUTE MAXIMUM RATINGS
(1)
PCM4222
SBAS399A–OCTOBER 2006–REVISED MARCH 2007
The PCM4222 includes three PCM sampling modes, supporting output sampling rates from 8kHz to 216kHz.
The DSD output supports either 64x or 128x oversampled bit rates. The PCM4222 is configured using dedicated
control pins for selection of output modes, PCM audio data formats and word length, decimation filter response,
high-pass filter disable, and reset/power-down functions.
While providing uncompromising performance, the PCM4222 addresses power concerns with just over 300mW
typical total power dissipation, making the device suitable for multi-channel audio systems. The PCM4222 is
typically powered from a +4.0V analog supply and a +3.3V digital supply. The digital I/O is logic-level compatible
with common digital signal processors, digital interface transmitters, and programmable logic devices. The
PCM4222 is available in a TQFP-48 package, which is RoHS-compliant.
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be
more susceptible to damage because very small parametric changes could cause the device not to meet its published
specifications.
For the most current package and ordering information, see the Package Option Addendum at the end of this
datasheet, or see the TI website at
www.ti.com
.
VALUE
Power Supplies:
VCC1, VCC2
VDD
Digital input voltage
All digital input and I/O pins
Analog input voltage
VINL+, VINL–, VINR+, VINR–
Input current (all pins except power and ground)
Ambient operating temperature
Storage temperature
–0.3V to +6.0V
–0.3V to +4.0V
–0.3V < (VDD + 0.3V) < +4.0V
–0.3V < (VCC + 0.3V) < +6.0V
±
10mA
–40
°
C to +85
°
C
–65
°
C to +150
°
C
(1)
These limits are stress ratings only. Stresses beyond these limits may result in permanent damage. Extended exposure to absolute
maximum ratings may degrade device reliability. Normal operation or performance at or beyond these limits is not specified or ensured.
2
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參數(shù)描述
PCM4222PFBG4 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC 24B/216kHz 124dB Stereo Audio ADC 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:
PCM4222PFBR 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC 24-Bit/216kHz 124dB 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:
PCM4222PFBRG4 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC 24B/216kHz 124dB Stereo Audio ADC 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:
PCM-423 制造商:Panduit Corp 功能描述:
PCM-425-449 功能描述:電線鑒定 Pre-Printed WM Card Vinyl Cloth .22" W RoHS:否 制造商:TE Connectivity / Q-Cees 產(chǎn)品:Labels and Signs 類型: 材料:Vinyl 顏色:Blue 寬度:0.625 in 長(zhǎng)度:1 in
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