AD1970JSTZRL Analog Devices Inc, AD1970JSTZRL Datasheet - Page 2

• Manufacturer Part Number: AD1970JSTZRL
• Description: IC,TV/VIDEO CIRCUIT,TV Stereo Circuit,QFP,48PIN,PLASTIC
• Manufacturer: Analog Devices Inc
• Type: Audio Encoderr

Specifications of AD1970JSTZRL

• Applications: Set-Top Boxes, Video Players, Recorders
• Voltage - Supply, Analog: 3 V ~ 3.6 V
• Voltage - Supply, Digital: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD1970EB - BOARD EVALUATION FOR AD1970
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD1970
TABLE OF CONTENTS
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 6
Pin Configuration and Function Descriptions............................. 7
Theory of Operation ........................................................................ 9
Signal Processing ............................................................................ 10
REVISION HISTORY
4/05—Revision 0: Initial Version
Package Characteristics (48-Lead LQFP).................................. 6
ESD Caution.................................................................................. 6
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
Rev. 0 | Page 2 of 20
Control Port .................................................................................... 12
Analog Input/Output ..................................................................... 16
Typical Applications Circuit.......................................................... 18
Outline Dimensions ....................................................................... 19
Power-Up Sequence ................................................................... 11
I
I
Input Level Control.................................................................... 13
Output Level Control................................................................. 13
I
ADC Input................................................................................... 16
DAC Output................................................................................ 16
Serial Data Port........................................................................... 16
Serial Data Modes ...................................................................... 16
Ordering Guide .......................................................................... 19
2
2
2
C Port Overview ...................................................................... 12
C Address Decoding................................................................ 12
C Read/Write Data Formats................................................... 14