tda9845t NXP Semiconductors, tda9845t Datasheet

no-image

tda9845t

Manufacturer Part Number
tda9845t
Description
Tv And Vtr Stereo/dual Sound Processor With Digital Identification
Manufacturer
NXP Semiconductors
Datasheet
Philips Semiconductors
Preliminary specification
Supersedes data of January 1993
File under Integrated Circuits, IC02
DATA SHEET
TDA9845
TV and VTR stereo/dual sound
processor with digital identification
INTEGRATED CIRCUITS
1995 Mar 20

Related parts for tda9845t

tda9845t Summary of contents

Page 1

DATA SHEET TDA9845 TV and VTR stereo/dual sound processor with digital identification Preliminary specification Supersedes data of January 1993 File under Integrated Circuits, IC02 Philips Semiconductors INTEGRATED CIRCUITS 1995 Mar 20 ...

Page 2

... TYPE NUMBER NAME TDA9845 DIP20 plastic dual in-line package; 20 leads (300 mil) TDA9845T SO20 plastic small outline package; 20 leads; body width 7.5 mm 1995 Mar 20 GENERAL DESCRIPTION The TDA9845 is a stereo/dual sound processor for TV and VTR sets. Its identification ensures safe operation by using ...

Page 3

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification BLOCK DIAGRAMS full pagewidth + 1995 Mar Preliminary specification TDA9845 + ...

Page 4

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification book, full pagewidth + 1995 Mar Preliminary specification TDA9845 + ...

Page 5

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification PINNING SYMBOL PIN C1 1 control input Port control input Port AGC capacitor of pilot frequency amplifier AGC C 4 identification low-pass capacitor ...

Page 6

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification FUNCTIONAL DESCRIPTION AF signal handling The input AF signals, derived from the two sound carriers, are processed in analog form using operational amplifiers. Dematrixing uses the technique of two ...

Page 7

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification Power supply The different supply voltages and currents required for the analog and digital circuits are derived from an internal band-gap reference circuit. The AF reference voltage is 1 ...

Page 8

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification CHARACTERISTICS +25 C; nominal input signal V P amb kHz); nominal input signal V value (AM 0.54); nominal ...

Page 9

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification SYMBOL PARAMETER AF outputs (pins 11 and 12) V nominal output signal voltage o(rms) (RMS value) V clipping voltage level o(rms) (RMS value) R output resistance o C load ...

Page 10

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification SYMBOL PARAMETER Pilot processing V pilot input voltage level at i pil(rms) pin 6 (RMS value) R pilot input resistance i pil C pilot input capacitance i pil m ...

Page 11

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification SYMBOL PARAMETER t pull-in time of identification det PLL (referenced 117.48 Hz and det STEREO f = 274.12 Hz) det DUAL f identification window ident frequency ...

Page 12

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification Table 1 Control input port matrix to select AF inputs and AF outputs INPUT/OUTPUT MODE V PIN 8 Mute; note 2 Sound mute Mono Stereo ...

Page 13

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification 2 V oAF (dB Fig.4 Tolerance scheme of AF frequency response; de-emphasis with 15%). internal 1995 Mar 20 ...

Page 14

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification handbook, full pagewidth AF from 5.5 MHz from AM demodulator (L) AF from 5.742 MHz from external sound source ...

Page 15

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification INTERNAL CIRCUITRY handbook, full pagewidth AGC 1 ...

Page 16

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification PACKAGE OUTLINES DIP20: plastic dual in-line package; 20 leads (300 mil pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions) A ...

Page 17

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification SO20: plastic small outline package; 20 leads; body width 7 pin 1 index 1 e DIMENSIONS (inch dimensions are derived from the original mm dimensions) ...

Page 18

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification SOLDERING Plastic dual in-line packages B Y DIP OR WAVE The maximum permissible temperature of the solder is 260 C; this temperature must not be in contact with the ...

Page 19

Philips Semiconductors TV and VTR stereo/dual sound processor with digital identification DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be ...

Page 20

Philips Semiconductors – a worldwide company Argentina: IEROD, Av. Juramento 1992 - 14.b, (1428) BUENOS AIRES, Tel. (541)786 7633, Fax. (541)786 9367 Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. (02)805 4455, Fax. (02)805 4466 Austria: Triester Str. 64, ...

Related keywords