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IDT821024PPG PDF预览

IDT821024PPG

更新时间: 2024-01-11 13:00:38
品牌 Logo 应用领域
艾迪悌 - IDT 解码器编解码器PC
页数 文件大小 规格书
13页 248K
描述
PCM Codec, A/MU-Law, 1-Func, CMOS, PQFP44, GREEN, TQFP-44

IDT821024PPG 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QFJ
包装说明:PLASTIC, LCC-32针数:32
Reach Compliance Code:not_compliantHTS代码:8542.39.00.01
风险等级:5.71压伸定律:A/MU-LAW
滤波器:YES最大增益公差:0.25 dB
JESD-30 代码:R-PQCC-J32JESD-609代码:e0
长度:13.97 mm线性编码:NOT AVAILABLE
湿度敏感等级:1功能数量:1
端子数量:32工作模式:SYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:QCCJ
封装等效代码:LDCC32,.5X.6封装形状:RECTANGULAR
封装形式:CHIP CARRIER峰值回流温度(摄氏度):225
电源:5 V认证状态:Not Qualified
座面最大高度:3.55 mm子类别:Codecs
标称供电电压:5 V表面贴装:YES
技术:CMOS电信集成电路类型:PCM CODEC
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn85Pb15)
端子形式:J BEND端子节距:1.27 mm
端子位置:QUAD处于峰值回流温度下的最长时间:30
宽度:11.43 mmBase Number Matches:1

IDT821024PPG 数据手册

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QUAD NON-PROGRAMMABLE  
PCM CODEC  
IDT821024  
DESCRIPTION  
FEATURES  
· 4 channelCODECwithon-chipdigitalfilters  
· Selectable A-law orm-lawcompanding  
· Master clock frequency selection: 2.048 MHz, 4.096 MHz or  
8.192 MHz  
The IDT821024 is a single-chip, four channel PCM CODEC with on-  
chip filters. The device provides analog-to-digital and digital-to-analog  
conversions and supports both a-law andm- law companding. The digital  
filters in IDT821024 provides the necessary transmit and receive filtering  
for voice telephone circuit to interface with time-division multiplexed  
systems. All of the digital filters are performed in digital signal processors  
operating from an internal clock, which is derived from MCLK. The fixed  
filters set the transmit and receive gain and frequency response.  
In the IDT821024 the PCM data is transmitted to and received from  
the PCM highway in time slots determined by the individual Frame Sync  
signals (FSRn and FSXn, where n = 1-4) at rates from 256 KHz to 8.192  
MHz. Both Long and Short Frame Sync modes are available in the  
IDT821024.  
- Internal timing automatically adjusted based on MCLK and  
frame sync signal  
· Separate PCM and master clocks  
· SinglePCMportwithupto8.192MHzdatarate(128timeslots)  
· Transhybridbalanceimpedancehardwareadjustableviaexternal  
components  
· Transmitgainshardwareadjustableviaexternalcomponents  
· Lowpower+5.0VCMOStechnology  
The IDT821024 can be used in digital telecommunication applications  
such as PBX, Central Office Switch, Digital Telephone and Integrated Voice/  
Data Access Unit.  
· +5.0Vsinglepowersupply  
· Package available: 32 pin PLCC, 44 pin TQFP  
FUNCTIONAL BLOCK DIAGRAM  
Anolog Front End  
CH1  
IIN1  
FSX1  
PCM TSA 1  
FSR1  
VOUT1  
FSX2  
PCM TSA 2  
FSR2  
Anolog Front End  
CH2  
IIN2  
FSX3  
VOUT2  
PCM TSA 3  
FSR3  
DSP  
FSX4  
FSR4  
DX  
Anolog Front End  
CH3  
PCM TSA 4  
IIN3  
VOUT3  
TSC  
DR  
PCM Interface  
Anolog Front End  
CH4  
IIN4  
VOUT4  
PCLK  
MCLK  
Clock  
PDN 1~ 4  
&
Control  
IREF  
CNF  
A/m  
Reference Circuits  
The IDT logo is a registered trademark of Integrated Device Technology, Inc  
INDUSTRIAL TEMPERATURE RANGE  
APRIL 3, 2003  
1
ã 2003 Integrated Device Technology, Inc.  
DSC-6034/4  

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