SAA7740 Philips Semiconductors, SAA7740 Datasheet

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SAA7740

Manufacturer Part Number
SAA7740
Description
Digital Audio Processing IC DAPIC
Manufacturer
Philips Semiconductors
Datasheet
Product specification
Supersedes data of 1996 Mar 11
File under Integrated Circuits, IC01
DATA SHEET
SAA7740H
Digital Audio Processing IC
(DAPIC)
INTEGRATED CIRCUITS
1997 May 30

Related parts for SAA7740

SAA7740 Summary of contents

Page 1

... DATA SHEET SAA7740H Digital Audio Processing IC (DAPIC) Product specification Supersedes data of 1996 Mar 11 File under Integrated Circuits, IC01 INTEGRATED CIRCUITS 1997 May 30 ...

Page 2

... Output rear and front switching matrix. APPLICATIONS Digital amplifiers Audio combination sets Car audio systems TV audio channels. CONDITIONS all V pins 16.9344 MHz xtal f = 16.9344 MHz xtal PACKAGE DESCRIPTION 20 2 Product specification SAA7740H MIN. TYP. MAX. 4.5 5.0 5 12.288 16.9344 23.0 0 +85 VERSION SOT319-2 UNIT V MHz C ...

Page 3

... FILTER BUFFER MAC OFFSET FILTER REGISTERS PROGRAMMABLE COEFFICIENT ROM RAM C-BUS INTERFACE 51 AS1 AS2 Fig.1 Block diagram. 3 Product specification SAA7740H TST2 TST3 13, 25, 40, 46, 50 26, 32, 38, 53 OUTPUT I S-BUS 35 BUFFER OUTPUT ...

Page 4

... CLK1/ XTAL1 n.c. n.c. XTAL2 V DDX V SSX SCCLK CLKO ALL 4 Product specification SAA7740H PIN DESCRIPTION 2 34 digital audio output 1 (I S-bus digital audio output 2 (I S-bus) 36 digital audio input word select 37 digital audio input serial bit clock 38 supply voltage 39 ...

Page 5

... D2 D3 CAS2 WE RAS 1997 May SAA7740H Fig.2 Pin configuration. 5 Product specification SAA7740H 51 AS1 TST3 48 TST2 47 TST1 TSTCLK DIBCK 44 DIWS 43 42 DI2D 41 DI1D n. ...

Page 6

... I S-bus format at audio sampling frequency (f ) and provides 2 digital stereo as outputs. Mode description The SAA7740H can be set in four basic modes of operation. 1997 May 30 G DAPIC ENERAL MODE In the general DAPIC mode two variants are available (see Figs 3 and 4). In this mode the DAPIC accepts 2 stereo input signals ...

Page 7

... Philips Semiconductors Digital Audio Processing IC (DAPIC) 1997 May 30 7 Product specification SAA7740H pagewidth full handbook, ...

Page 8

... Philips Semiconductors Digital Audio Processing IC (DAPIC) 1997 May 30 8 Product specification SAA7740H pagewidth full handbook, ...

Page 9

... DAPIC. The two corrected outputs can be added to either one of the two stereo outputs. The application for this mode is in loudspeaker correction. 16 POLE/ZERO CORRECTION FILTER DC FILTERS 16 POLE/ZERO CORRECTION FILTER Fig.5 Dual filter mode. 9 Product specification SAA7740H FIXED DELAY 11 SAMPLES SWITCHES MLC153 ...

Page 10

... The applications for this mode are in the headphone out-of-head and incredible stereo applications. 8 POLE/ZERO CORRECTION FILTER 8 POLE/ZERO CORRECTION FILTER DC FILTERS 8 POLE/ZERO CORRECTION FILTER 8 POLE/ZERO CORRECTION FILTER Fig.6 Quad filter mode. 10 Product specification SAA7740H (1) DELAY SWITCHES MLC154 ...

Page 11

... Philips Semiconductors Digital Audio Processing IC (DAPIC) 1997 May 30 11 Product specification SAA7740H pagewidth full handbook, ...

Page 12

... Philips Semiconductors Digital Audio Processing IC (DAPIC) FUNCTIONAL DESCRIPTION The SAA7740H is used as a slave device. The internal operation is automatically synchronized with the word select clock of the incoming data (I an input frame of data 384 clock cycles are needed as to compute a stereo output sample. The external clock ...

Page 13

... SCL LOW-to-HIGH transition (see Fig.8). This improper acknowledge pulse can cause the I the capturing moment of the SDA line by the I devices, including the SAA7740H, will be masked thus making the system unreliable avoid these problems the I C-bus master should only capture the SDA line at such a moment that the improper acknowledge pulse will not be detected ...

Page 14

... The choice of a 256 kbit Mbit DRAM device must be indicated by a flag bit residing in the start address control word of the different delay lines. ) must be greater than; rfsh 14 Product specification SAA7740H ) is important. dRAS;CAS 4-bit (256 kbits must be joined with DD ...

Page 15

... CONDITIONS > 0 < 0 > 0 0.5 < V < 0 CIC specification/test method note 1 note 2 PARAMETER 15 Product specification SAA7740H MIN. MAX. UNIT 0.5 +6.5 V 550 100 mA 100 +150 C 40 ...

Page 16

... 31 and 4 amb C = pF; pins 11, 12, 15 and 4 amb C = pF; pins 10 and 63 16 Product specification SAA7740H MIN. TYP. MAX. 4.5 5.0 5.5 60 300 0.7V DD 0.3V DD 0.8V DD 0.2V DD 0.33V DD 4.0 0.5 1 ...

Page 17

... RAS lead time lCA;RAS t CAS to RAS precharge time pCAS;RAS t column address set-up time su;CA 1997 May 30 CONDITIONS 384f as slave mode only PARAMETER 17 Product specification SAA7740H MIN. TYP. MAX. 12.288 16.9344 23 0.4 500 15 21 MIN. MAX. 110 110 20 20 ...

Page 18

... CL WS DATA IN DATA OUT 1997 May 30 PARAMETER su1 t su2 t acc 2 Fig.9 I S-bus timing diagram. 18 Product specification SAA7740H MIN. MAX clk clk clk 1 2 ...

Page 19

... DATA OUT t wcy;def t wcy;def t t h;DAT su;DAT DATA IN t hDAT;RAS t W;RAS t pCAS;RAS t p;RAS t RAS;CA ROW Fig.10 Timing diagram DRAM interface. 19 Product specification SAA7740H cy;CAS t h;RAS t p;CAS t lCA;RAS t hCA;RASp COLUMN ADD COLUMN t rcy;def t rcy;def DATA OUT t wcy;def t wcy ...

Page 20

... I block. The same operation is repeated for each incoming audio sample MSB LEFT 2 Fig.11 I S-bus timing format. 20 Product specification SAA7740H 2 S-bus output MSB RIGHT MLC159 ...

Page 21

... In this condition the transmitter must leave the data line HIGH to enable the master to generate a STOP condition (see Fig.15). data line change stable of data data valid allowed 2 Fig.12 Bit transfer on the I C bus. 21 Product specification SAA7740H MLC160 ...

Page 22

... LOW while interrupts are serviced ACK Fig.14 Data transfer on the I not acknowledge START condition Fig.15 Acknowledge on the I 22 Product specification SAA7740H P STOP condition acknowledgement signal from receiver C-bus. acknowledge MLC163 ...

Page 23

... This is to minimize feedback from the ground bounce of the IC to the oscillator. Pin V ground supply and V is the positive supply. DDX Power supply connection and EMC The SAA7740H has in total 8 positive supply lines (V including V , and 8 ground supply lines (V DDX V For correct current distribution all positive supply SSX ...

Page 24

... 0.50 0.25 20.1 14.1 24.2 1 0.35 0.14 19.9 13.9 23.6 REFERENCES JEDEC EIAJ 18.2 1.0 1.4 1.95 0.2 0.2 17.6 0.6 1.2 EUROPEAN PROJECTION Product specification SAA7740H SOT319 detail X (1) ( 1.2 1.2 7 0.1 o 0.8 0.8 0 ISSUE DATE 92-11-17 95-02-04 ...

Page 25

... 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. 25 Product specification SAA7740H ...

Page 26

... I Philips. This specification can be ordered using the code 9398 393 40011. 1997 May components conveys a license under the Philips’ system provided the system conforms to the I 26 Product specification SAA7740H 2 C patent to use the 2 C specification defined by ...

Page 27

... Philips Semiconductors Digital Audio Processing IC (DAPIC) 1997 May 30 NOTES 27 Product specification SAA7740H ...

Page 28

... Tel. +46 8 632 2000, Fax. +46 8 632 2745 Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH, Tel. +41 1 488 2686, Fax. +41 1 481 7730 Taiwan: Philips Semiconductors, 6F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2865, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 209/2 Sanpavuth-Bangna Road Prakanong, BANGKOK 10260, Tel ...

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