saa7282 NXP Semiconductors, saa7282 Datasheet

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saa7282

Manufacturer Part Number
saa7282
Description
Terrestrial Digital Sound Decoder Tdsd2
Manufacturer
NXP Semiconductors
Datasheet

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Part Number:
saa7282ZP
Manufacturer:
SANYO
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Part Number:
saa7282ZP
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PHILIPS/飞利浦
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saa7282ZPM3
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Product specification
File under Integrated Circuits, IC02
DATA SHEET
SAA7282
Terrestrial Digital Sound Decoder
(TDSD2)
INTEGRATED CIRCUITS
July 1993

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saa7282 Summary of contents

Page 1

... DATA SHEET SAA7282 Terrestrial Digital Sound Decoder (TDSD2) Product specification File under Integrated Circuits, IC02 INTEGRATED CIRCUITS July 1993 ...

Page 2

... Television receivers Video cassette recorders. GENERAL DESCRIPTION Performing all digital decoding functions for a NICAM 728 digital stereo sound system, the SAA7282 is a highly integrated CMOS circuit which only requires a DQPSK (Differential Quadrature Phase Shift Keying) demodulator (TDA8732) and minimum external components to achieve a full NICAM solution ...

Page 3

... FREQ. XTAL SYNTH. OSC 1 30 PCLK XIN XOUT V DAC CDL INTL 1-BIT DAC SAA7282ZP NOISE SHAPER FILTER DE-EMPH NOISE DIGITAL SHAPER AUDIO INTERFACE 1-BIT DAC DOBM V REF MUTE CDR Fig.1 Block diagram; pin numbering for SOT232A. ...

Page 4

... FM sound input to the left audio channel external analog input to the left audio channel analog output from the left audio channel not connected analog ground connection for the left audio channel analog supply voltage for the left audio channel 4 Product specification SAA7282 ...

Page 5

... DOBM V DD ADSEL 6 27 MUTE 7 26 i.c. V DDAR V DDAL 8 25 SAA7282ZP V SSAR V SSAL 9 24 VRO 10 23 OPL VRC 11 22 EXTL OPR 12 21 FML 20 EXTR 13 INTL 19 FMR 14 CDL V DAC INTR REF CDR 16 17 MLB153 Fig.2 Pin configuration (SOT232A). 5 Product specification SAA7282 ...

Page 6

... Terrestrial Digital Sound Decoder (TDSD2) handbook, full pagewidth 1 DOBM n.c. 3 XIN 4 XOUT 5 6 DATA PCLK 7 8 RESET SCL 9 SDA 10 PORT2 11 July 1993 SAA7282GP Fig.3 Pin configuration (SOT205AG). 6 Product specification SAA7282 33 FML 32 INTL 31 CDL V DAC 30 V REF 29 n. CDR 26 INTR 25 FMR 24 EXTR OPR 23 MLB154 ...

Page 7

... The device slave address is A(7:1)(R/W) = 101101X(R/W). An ADSEL pin is provided to allow selection of one of two different slave addresses via programmable address bit A1 ADSEL logic level). The SAA7282 does not acknowledge the I The slave receiver format is: S SLAVE_ADDR.0 ACK SUB_ADDR ACK DATA BYTE ACK P Where S = start, ACK = acknowledge stop ...

Page 8

... NICAM source de-emphasis switched in, no gain NICAM source de-emphasis switched in gain; power-on reset state NICAM source de-emphasis switched in gain external inputs switched in, no change to previous de-emphasis/gain setting FM inputs switched in, no change to previous de-emphasis/gain setting 8 Product specification SAA7282 FUNCTION ...

Page 9

... This enables the software controller to display the relevant information to the customer, for example, on screen display bit = logic 0 no switching has been carried out by the automuting function bit = logic 1 then the automuting function has switched to the FM inputs. 9 Product specification SAA7282 RSSF ...

Page 10

... EBU (Document SPB424; “Digital sound 2 C-bus transmissions in terrestrial television” ) will allow odd or even parity groups, thus providing an additional 2 kbit/s data capacity Product specification SAA7282 S/M D/S VDSP note 1 note 1 0 ...

Page 11

... W channel 2 M sub-frame sub-frame frame 0 start of block Fig.4 Frame format audio sample word B Fig.5 Sub-frame format. 11 Product specification SAA7282 channel 1 W channel 2 frame 1 MLB155 validity flag user data = logic 0 channel status ...

Page 12

... II) 12 Product specification SAA7282 0 Preamble Channel coding B 11101000 M 11100010 W 11100100 DESCRIPTION ...

Page 13

... Electrostatic handling is equivalent to discharging a 100 pF capacitor via a 1.5 k series resistor with rise time. 3. 1000 V V pin. SSAL July 1993 CONDITIONS MIN. note 1 0.5 0 notes 2 and 3 2000 13 Product specification SAA7282 MAX. UNIT 6 125 C 2000 ...

Page 14

... I input leakage current LI C input capacitance I July 1993 CONDITIONS MIN. see Fig.9 4.5 0 see Fig.9 4 2.0 0 3.0 0.05V DD 0 3.0 0.05V Product specification SAA7282 TYP. MAX. UNIT 5.0 5 100 5.0 5 ...

Page 15

... I July 1993 CONDITIONS MIN. 0 3.0 0.05V 800 A 2 100 kHz 1 gm.Ro 3 Product specification SAA7282 TYP. MAX. UNIT 1 0.4 V 400 pF 200 0.4 V ...

Page 16

... C) DD amb see Fig. EXT FM or EXT FM or EXT, 1 kHz 2.5 V REF NICAM 728; notes 2 and 3 0 dB, 1 kHz MUTE on and V levels Product specification SAA7282 MIN. TYP. MAX. 128 0.01 30 0.09 0.45V 0.5V 0.55V DDAR DDAR DDAR 0.5V DD 300 3 150 0. ...

Page 17

... C-bus system, then the requirement 1000 + 250 = 1250 ns before the SCL signal is RD(max) SU;DAT 2 C-bus specification. 17 Product specification SAA7282 TYP. MAX. UNIT 400 kHz 300 ns 300 ns ns 200 ...

Page 18

... Philips Semiconductors Terrestrial Digital Sound Decoder (TDSD2) SAW FILTER UHF handbook, full pagewidth INPUT TUNER 5.5 MHz (B/G) SOUND DEMODULATOR (TDA3857) Fig.6 System block diagram showing SAA7282 with TDA8732. July 1993 VISION IF DEMODULATOR (TDA3852) 2 DAI I C FILTER 8.192 MHz AUTO - MUTE NICAM 6 MHz (I) ...

Page 19

... HD;STA t r SCL LOW STOP START CONDITION CONDITION July 1993 t SU;DAT t HD;DAT Fig.7 Data output timing. t CYC HD;DAT HIGH SU;DAT REPEATED CONDITION 2 Fig.8 I C-bus interface timing. 19 Product specification SAA7282 MLB158 t HD;STA t t SU;STA SU;STO Sr P START MLA396 - 1 ...

Page 20

... Fig.10 VRC external circuitry (same external circuit values also required for VRO). July 1993 100 DDAR V DDAL 8 25 SAA7282ZP Fig.9 V external circuitry 100 DDAR 8 VRC 11 100 nF SAA7282ZP 20 Product specification SAA7282 MEA257 - MEA256 - 1 ...

Page 21

... V REF VRC Fig.11 External circuitry for left channel DAC (same external circuit values also required for right channel DAC). July 1993 220 nF 220 nF CDL INTL EXTL FML SAA7282ZP 21 Product specification SAA7282 23 OPL VRC MLB159 ...

Page 22

... Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION IEC SOT232-1 July 1993 scale (1) ( 0.53 0.32 29.4 9.1 1.778 0.40 0.23 28.5 8.7 REFERENCES JEDEC EIAJ 22 Product specification SAA7282 3.2 10.7 12.2 10.16 0.18 2 ...

Page 23

... scale (1) ( 0.25 14.1 14.1 19.2 19.2 1 2.35 0.14 13.9 13.9 18.2 18.2 REFERENCES JEDEC EIAJ 23 Product specification SAA7282 SOT205 detail X (1) ( 2.0 2.4 2.4 7 0.3 0.15 0.1 o 1.2 1.8 1.8 0 EUROPEAN ISSUE DATE PROJECTION 95-02-04 97-08-01 3 ...

Page 24

... Use only a low voltage soldering iron (less than 24 V) applied to the flat part of the lead. Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within seconds between 270 and 320 C. 24 Product specification SAA7282 ...

Page 25

... I Philips. This specification can be ordered using the code 9398 393 40011. July 1993 2 C components conveys a license under the Philips’ system provided the system conforms to the I 25 Product specification SAA7282 2 C patent to use the 2 C specification defined by ...

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