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IDT821024-XL PDF预览

IDT821024-XL

更新时间: 2024-01-26 22:16:30
品牌 Logo 应用领域
艾迪悌 - IDT PC电信电信集成电路
页数 文件大小 规格书
14页 130K
描述
PCM Codec, A/MU-Law, 1-Func, CMOS, PQCC32, PLASTIC, LCC-32

IDT821024-XL 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

IDT821024-XL 数据手册

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IDT821024  
Non-Programmable Quad PCM CODEC  
Preliminary Data Sheet, December 2000 (Ver 1.0)  
File No. IDT821024DS(L)  
Description  
Features  
The IDT821024 is a single-chip, four channel PCM CODEC  
with on-chip filters. The device provides both µ-law and A-  
law companding digital-to-analog and analog-to-digital  
conversions based on ITU-T G.711 - G.714 specifications. It  
also provides the two-to-four wire conversion function (the  
external balance impedance required). 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 IDT821024, the PCM data is read and written to the PCM  
highway in time slots determined by the individual Frame  
Sync signals (FSRn and FSXn, where n = 14) at rates from  
256 KHz to 8.192 MHz. Both Long and Short Frame Sync  
modes are available in the device.  
4 channel CODEC with on-chip filters  
Selectable A-law or µ-law companding  
Master clock frequency selection: 2.048 MHz, 4.096  
MHz or 8.192 MHz  
Internal timing automatically adjusted based on  
MCLK and frame sync signal  
Separate PCM and master clock  
Single PCM port with up to 8.192 MHz operation (128  
channels)  
Transhybrid balance impedance hardware  
programmable via external components  
Transmit gains hardware programmable via external  
components  
Low power +5.0 V CMOS technology  
+5.0 V single power supply  
Instant recovery after audio reception/transmission  
interrupted by spurious transient states.  
Package available:  
The IDT821024 can be used in digital telecommunication  
applications such as PBX, Central Office Switch, Digital  
Telephone and Integrated Voice/Data Access Unit.  
IDT821024-XL  
32 pin PLCC  
Analog Front End  
Ch1  
IIN1  
VOUT1  
FSX1  
FSR1  
PCM TSA 1  
FSX2  
FSR2  
PCM TSA 2  
Analog Front End  
Ch2  
IIN2  
VOUT2  
FSX3  
FSR3  
PCM TSA 3  
DSP  
IIN3  
VOUT3  
FSX4  
FSR4  
Analog Front End  
Ch3  
PCM TSA 4  
DX  
TSC  
DR  
PCLK  
PCM  
Interface  
Analog Front End  
Ch4  
IIN4  
VOUT4  
MCLK  
IREF  
CNF  
PDN1~4  
A/µ  
Clock  
&
Reference Circuits  
Control  
Figure-1. Block Diagram  
Integrated Device Technology, Inc.  

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