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SAA1300

Philips
Part Number SAA1300
Manufacturer Philips
Description Tuner switching circuit
Published May 18, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET SAA1300 Tuner switching circuit Product specification File under Integrated Circuits, IC...
Datasheet PDF File SAA1300 PDF File

SAA1300
SAA1300

Overview
INTEGRATED CIRCUITS DATA SHEET SAA1300 Tuner switching circuit Product specification File under Integrated Circuits, IC12 June 1987 Philips Semiconductors Product specification Tuner switching circuit SAA1300 The SAA1300 is for switching on and off the supply lines of various circuit parts via an I2C bus signal.
Furthermore, it can be used to supply current for switching diodes in radio and television tuners.
It contains 5 output stages, which are capable of supplying up to 85 mA in the ON state or sinking up to −100 µA in the OFF state.
Current limiting and short-circuit protection are included.
The output stages are driven by a shift register/latch combination which is loaded via data from the I2C bus.
A power-on reset of the latches ensures the OFF state of the output stages (OUT 2 to OUT 5) without data reception from the I2C bus.
A subaddressing system allows the connection of up to three circuits on the same I2C bus lines; one of the outputs (OUT 1, pin 7) can also be used as an input to select the device via a simple internal A/D converter.
Fig.
1 Block diagram.
PACKAGE OUTLINE 9-lead SIL; plastic (SOT142); SOT142-1; 1996 September 05.
June 1987 2 Philips Semiconductors Product specification Tuner switching circuit PINNING PIN NO.
1 2 3 4 5 6 7 8 9 I2C BUS INFORMATION Address, first byte 0 1 0 0 0 A B 0 where, A 0 0 1 1 B 0 1 0 1 FUNCTION general address OUT 1 = input OUT 1 = input OUT 1 = input OUT 1 = output address accepted if VOUT 1 = VOUT L (LOW) address accepted if VOUT 1 = VOUT H (HIGH) address accepted if VOUT 1 = VOUT M (MEDIUM) CONDITION GND VP OUT 5 OUT 4 OUT 3 OUT 2 OUT 1 SDA SCL output and subaddressing input serial data line serial clock line I2C bus outputs SYMBOL ground positive supply FUNCTION SAA1300 Data, second byte OUT 5, OUT 4, OUT 3, OUT 2, OUT 1, X, X, X The I/O output stage (OUT 1) is switched as an input stage after a power-on reset.
It depends on the contents of the first data transmission whether the output stage is swi...


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