參數(shù)資料
型號: AD1970JSTZ
廠商: ANALOG DEVICES INC
元件分類: 消費家電
英文描述: Digital BTSC Encoder with Integrated ADC and DAC
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: LEAD FREE, PLASTIC, MS-026-BBC, LQFP-48
文件頁數(shù): 2/20頁
文件大小: 278K
代理商: AD1970JSTZ
AD1970
TABLE OF CONTENTS
Specifications.....................................................................................3
Rev. 0 | Page 2 of 20
Absolute Maximum Ratings............................................................6
Package Characteristics (48-Lead LQFP)..................................6
ESD Caution..................................................................................6
Pin Configuration and Function Descriptions.............................7
Theory of Operation........................................................................9
Signal Processing............................................................................10
Background of BTSC.................................................................10
Performance Factors..................................................................10
Separation Alignment................................................................11
Phase Linearity of the External Analog Filter.........................11
Input Levels.................................................................................11
Clocking and PLL.......................................................................11
Crystal Oscillator........................................................................11
General Purpose Input/Output (GPIO) Pins.........................11
Power-Up Sequence................................................................... 11
Control Port.................................................................................... 12
I
2
C Port Overview...................................................................... 12
I
2
C Address Decoding................................................................ 12
Input Level Control.................................................................... 13
Output Level Control................................................................. 13
I
2
C Read/Write Data Formats................................................... 14
Analog Input/Output..................................................................... 16
ADC Input................................................................................... 16
DAC Output................................................................................ 16
Serial Data Port........................................................................... 16
Serial Data Modes...................................................................... 16
Typical Applications Circuit.......................................................... 18
Outline Dimensions....................................................................... 19
Ordering Guide .......................................................................... 19
REVISION HISTORY
4/05—Revision 0: Initial Version
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