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SDA 5648

Features: ` Single-chip receiver for PDC data, broadcast either in Broadcast Data Service Packet (BDSP) 8/30/2 according to CCIR teletext system B, or in dedicated line no. 16 of the vertical blanking interval (VPS)` Reception of Unified Date and Time (UDT) broadcast in BDSP 8/30/1` Low external c...

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SeekIC No. : 004486809 Detail

SDA 5648: Features: ` Single-chip receiver for PDC data, broadcast either in Broadcast Data Service Packet (BDSP) 8/30/2 according to CCIR teletext system B, or in dedicated line no. 16 of the vertical blanki...

SDA 5648 Data Sheet

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Part Number:
SDA 5648
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` Single-chip receiver for PDC data, broadcast either
in Broadcast Data Service Packet (BDSP) 8/30/2 according to CCIR teletext system B, or
in dedicated line no. 16 of the vertical blanking interval (VPS)
` Reception of Unified Date and Time (UDT) broadcast in BDSP 8/30/1
` Low external components count
` On-chip data and sync slicer
` I2C-Bus interface for communication with external microcontroller
` Selection of PDC/VPS operating mode software controlled by I2C-Bus register
` Pin and software compatible to VPS Decoder SDA 5642
` Supply voltage: 5 V ± 10 %
` Video input signal level: 0.7 Vpp to 1.4 Vpp
` Technology: CMOS
` Package: P-DIP-14-3 and P-DSO-20-1
` Operating temperature range: 0 to 70 °C


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Limit Values
Unit
 TestCondition
min.
 typ.
max.
Ambient temperature TA     70 °C in operation
Storage temperature Tstg 40   125 °C by storage
Total power dissipation Ptot     300 mW  
Power dissipation per output PDQ     10 mW  
Input voltage VIM 0.3   6 V  
Supply voltage VDD 0.3   6 V  
Thermal resistance RthSU     80 K/W  
Supply voltage VDD 4.5 5 5.5 V  
Supply current IDD   5 15 mA  
Ambient temperature range TA 0   70 °C  



Description

The CMOS circuit SDA 5648 is intended for use in video cassette recorders to retrieve control data of the PDC system from the data lines broadcast during the vertical blanking interval of a standard video signal.

The SDA 5648 is devised to handle PDC data transported either in Broadcast Data Service Packet (BDSP) 8/30 format 2 (bytes no. 13 through 25) of CCIR teletext system B or in the dedicated data line no. 16 in the case of VPS. Furthermore SDA 5648 is able to receive the Unified Date and Time (UDT) information transmitted in bytes no. 15 through 21 of packet 8/30 format 1.




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