TDA8745 Philips Semiconductors, TDA8745 Datasheet
TDA8745
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TDA8745 Summary of contents
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... DATA SHEET TDA8745 Satellite sound receiver with 2 I C-bus control Preliminary specification Supersedes data of 1995 Mar 08 File under Integrated Circuits, IC02 INTEGRATED CIRCUITS 1996 Mar 11 ...
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... Satellite receivers TV sets Video recorders. GENERAL DESCRIPTION (l + r)] on SCART level The TDA8745 is the successor of the TDA8740 and TDA8741. The device contains the functionality of the TDA8740 and TDA8741 together with a synthesizer, mixer and I The pin numbers mentioned in this publication refer to the SDIP42 package; unless otherwise indicated. ...
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... P total power dissipation tot T storage temperature stg T operating ambient temperature amb 1996 Mar 11 2 C-bus control CONDITIONS A-weighted on; DEEM = 75 s S/N( dB on; DEEM = 75 s THD 0.5% 3 Preliminary specification TDA8745 MIN. TYP. MAX. UNIT 4.5 5.0 5.5 V 4.5 5.0 5.5 V 8.0 12 ...
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... Philips Semiconductors Satellite sound receiver with I BLOCK DIAGRAM L OUT DEEM 1996 Mar 11 2 C-bus control R OUT DEEM IN-6 IN-5 IN-4 IN-3 IN-2 IN-1 4 Preliminary specification TDA8745 pagewidth full handbook, ...
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... AF ground 29 audio pass-through input (left channel) 30 de-emphasis output (left channel) 31 de-emphasis capacitor (left channel) 32 noise reduction de-emphasis capacitor (left channel) 33 rectifier DC decoupling (left channel) 34 attack/recovery capacitor (left channel) 5 Preliminary specification DESCRIPTION r)] 2 TDA8745 ...
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... Fig.2 Pin configuration (SDIP42). 6 Preliminary specification DESCRIPTION PRES DET L XTAL PRES DET R C ATT/REC L RECT DEEM OUT AFGND DEEM OUT RECT R C ATT/REC R EXT L EXT TDA8745 ...
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... IN CGND IN 1996 Mar 11 2 C-bus control TDA8745H Fig.3 Pin configuration (QFP44). 7 Preliminary specification TDA8745 RECT DEEM OUT AFGND DEEM OUT ...
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... MHz. The TDA8745 contains all circuitry for the processing of the main channel and secondary channels, from baseband signal to line (SCART) output drivers. By means of external band-pass filters the desired frequencies coming from the synthesizer/mixer are routed to the IF limiter/demodulator inputs ...
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... OS1 and OS0 bits determine this selection. Pin separate output which delivers the mono channel. The mono signal is the sum of pin 23 (left) and pin 22 (right) output signal [ 9 Preliminary specification TDA8745 2 C-bus) is logic r)]. 2 ...
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... PLL = Phase-Locked Loop. POR = Power-On Reset. S/N = Signal-to-Noise ratio. VCO = Voltage Controlled Oscillator. MBE284 handbook, halfpage 0 dB transfer (dB (Hz) 10 Preliminary specification TDA8745 8 4 flat J17 Fig.5 LF de-emphasis curves. MBE285 ...
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... Notes 1. AS bit defined by level at address select (pin 12 logic logic TDA8745 is receiver (microcontroller is master transmitter). R TDA8745 is transmitter (microcontroller is master receiver). TDA8745 receiver use In the receiver mode the device has four subaddresses with auto-increment, as shown in Tables Table 2 Input byte SA: 00; situation after POR ...
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... Philips Semiconductors Satellite sound receiver with I Slave receiver mode (bits transmitted from microcontroller to TDA8745) Different IF inputs can be selected for the PLLs, for switching between different external BPFs and/or channels; see Tables 7 and 8. Table 7 IL2 to IL0; Input Left; note 1 IL2 IL1 i7 i6 ...
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... IF input IN-1 selected for right PLL input IN-2 selected for right PLL input IN-3 selected for right PLL input IN-4 selected for right PLL input IN-6 used as output input IN-6 used as output Preliminary specification TDA8745 MODE ...
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... MHz IF); note 3 10.7 MHz. 14 Preliminary specification TDA8745 TUN1 TUN0 10 (MHz 3. 3. 3.84 3. 5.50 5. 6.00 6. ...
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... Left channel audio (pin 33) at both O Right channel audio (pin 31) at both O External left at (pin 25 and O (pins 23 and 22) can be selected with bits OS1 and OS0 DESCRIPTION 15 Preliminary specification TDA8745 DESCRIPTION ; right channel audio (pin 31 and and ...
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... Left and right audio can be muted independently. Note that also the external input signals (pins 25 and 24) can be muted this way. 1996 Mar 11 2 C-bus control DESCRIPTION 2 C-bus this way. The level at these pins is controlled by MODE Left audio channel is muted Right audio channel is muted 16 Preliminary specification TDA8745 DESCRIPTION ...
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... DESCRIPTION 17 Preliminary specification TDA8745 MAIN CHANNEL (2) (kHz) (kHz) 199 338 177 302 158 269 141 240 126 214 112 190 100 170 89 151 79 135 71 ...
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... Mar 11 2 C-bus control Slave transmitter mode (bits transmitted from TDA8745 to microcontroller) Table 21 Bit PDL; Presence Detector Left; note 1 DE-EMPHASIS PDL r7 (2) (3) Note 1. Bit PDL (r7) transmits the current status of the left channel presence detector. When PDL = 1, no carrier is found at the currently selected frequency ...
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... IN-5 and IN-6 (pins 7 and 8) not being in the Port Extension mode. THERMAL CHARACTERISTICS SYMBOL R thermal resistance from junction to ambient in free air th j-a SDIP42 QFP44 1996 Mar 11 2 C-bus control CONDITIONS note 1 note 1 note 1 note 1 note 2 note 1 PARAMETER 19 Preliminary specification TDA8745 MIN. MAX. UNIT ...
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... Presence of both carriers is required to achieve lock of the PLLs; otherwise not all pins will have a stable DC voltage. 2. Pin 7 and 8 functioning as normal inputs (bit PE = 0). 1996 Mar 11 2 C-bus control = 10.7 MHz 10.52 MHz (no modulation; see note 1); unless OS1 OS2 CONDITIONS note 0 0 Preliminary specification TDA8745 MIN. TYP. MAX. UNIT 4.5 5.0 5.5 V 4.5 5.0 5.5 V 8 ...
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... Preliminary specification = kHz (reference levels MIN. TYP dB; note 2 180 35.4 4 4.5 50 0.3 0.8 TDA8745 MAX. UNIT 15 k 200 MHz/V MHz MHz 200 ...
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... NR input level kHz DEEM = fl kHz; all PLLs locked off; DEEM = fl off; DEEM = J17; note off; DEEM = off; DEEM = Preliminary specification TDA8745 MIN. TYP. MAX. UNIT 10.6 MHz 10.6 MHz 6.9 MHz 6.9 MHz 10 11.5 MHz 5 ...
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... A-weighted; main channel (synthesizer excluded off; DEEM = 50 s; note 12 output select left and right muted V = 100 mV Hz on; DEEM = 100 mV kHz on; DEEM = Preliminary specification TDA8745 MIN. TYP. MAX. UNIT 0.5 1 dBV dBV 1 ...
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... OS = external kHz A-weighted dBV; 24, external kHz ADD = LOW sel ADD = HIGH sel and R and the level of the 4 MHz AC voltage. The value of R int ext 24 Preliminary specification TDA8745 MIN. TYP. MAX Hz kHz 100 150 200 6.5 6 5.5 100 125 150 0 ...
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... SLF 2 1996 Mar 11 2 C-bus control < 13 < T < Measured at pins 34 and 30 off; P3 amb = kHz. At this input level, the NR response is equal S1 S2 EQUIVALENT CIRCUIT 1 20 1640 1640 Preliminary specification 20 MLD094 275 2 TDA8745 MLD095 ...
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... Philips Semiconductors Satellite sound receiver with I SYMBOL PIN BASEBAND OUT 5 SYNGND 6 IN-5 7 1996 Mar 11 2 C-bus control EQUIVALENT CIRCUIT 3 12 MLD060 6 275 7 26 Preliminary specification TDA8745 MLD096 MLD061 SYNGND MLD062 MLD063 ...
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... Philips Semiconductors Satellite sound receiver with I SYMBOL PIN IN-6 8 IN-1 9 HFGND 10 IN-2 11 ADD 12 sel 1996 Mar 11 2 C-bus control EQUIVALENT CIRCUIT 275 8 275 9 10 275 11 275 12 27 Preliminary specification TDA8745 MLD097 MLD064 HFGND MLD065 MLD066 MLD067 ...
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... Philips Semiconductors Satellite sound receiver with I SYMBOL PIN IN CGND 14 IN SCL 17 SDA 18 1996 Mar 11 2 C-bus control EQUIVALENT CIRCUIT 275 13 14 275 15 16 275 17 275 18 28 Preliminary specification TDA8745 MLD114 2 I CGND MLD068 MLD098 V P2 MLD069 MLD070 MLD071 ...
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... Philips Semiconductors Satellite sound receiver with I SYMBOL PIN V 19 ref 1996 Mar 11 2 C-bus control EQUIVALENT CIRCUIT 125 275 19 15 125 3.8 V 125 3 Preliminary specification TDA8745 MLD072 V P3 MLD073 21 MLD074 22 MLD075 ...
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... ATT/REC R 1996 Mar 11 2 C-bus control EQUIVALENT CIRCUIT 125 3.8 V transfer gate I 20 103 transfer gate 47 k 3.8 V transfer gate I 20 103 transfer gate Preliminary specification TDA8745 23 MLD076 O O 3.8 V MLD077 O O 3.8 V MLD078 100 100 26 3.8 V MLD079 ...
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... DEEM OUT 1996 Mar 11 2 C-bus control EQUIVALENT CIRCUIT 4 275 28 transfer gate transfer gate 20 103 3 Preliminary specification TDA8745 MLD080 AC signal current 7.5 k MLD081 125 30 3.8 V MLD082 transfer gate transfer gate 3.8 V MLD083 ...
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... 1996 Mar 11 2 C-bus control EQUIVALENT CIRCUIT 32 20 103 k 33 3.8 V transfer gate transfer gate 275 36 32 Preliminary specification TDA8745 substrate AFGND MLD084 transfer gate transfer gate 47 k 3.8 V MLD085 125 3.8 V MLD086 AC signal current 7.5 k MLD224 34 ...
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... Philips Semiconductors Satellite sound receiver with I SYMBOL PIN RECT ATT/REC L PRES DET R 39 XTAL 40 1996 Mar 11 2 C-bus control EQUIVALENT CIRCUIT 4 100 39 100 33 Preliminary specification TDA8745 MLD088 100 100 38 3.8 V MLD089 MLD090 40 MLD091 ...
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... Philips Semiconductors Satellite sound receiver with I SYMBOL PIN PRES DET 1996 Mar 11 2 C-bus control EQUIVALENT CIRCUIT 100 41 100 1640 1640 34 Preliminary specification TDA8745 MLD092 MLD093 ...
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... Mar 11 2 C-bus control scale (1) ( 1.3 0.53 0.32 38.9 14.0 0.8 0.40 0.23 38.4 13.7 REFERENCES JEDEC EIAJ 35 Preliminary specification 3.2 15.80 17.15 1.778 15.24 2.9 15.24 15.90 EUROPEAN PROJECTION TDA8745 SOT270 ( max. 0.18 1.73 ISSUE DATE 90-02-13 95-02-04 ...
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... 2.5 scale (1) ( 0.40 0.25 10.1 10.1 12.9 0.8 0.20 0.14 9.9 9.9 12.3 REFERENCES JEDEC EIAJ 36 Preliminary specification detail 12.9 0.95 0.85 0.15 0.15 1.3 12.3 0.55 0.75 EUROPEAN PROJECTION TDA8745 SOT307 (1) ( 1.2 1.2 10 0.1 o 0.8 0.8 0 ISSUE DATE 92-11-17 95-02-04 ...
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... 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. 37 Preliminary specification TDA8745 ...
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... Philips. This specification can be ordered using the code 9398 393 40011. 1996 Mar 11 2 C-bus control 2 C components conveys a license under the Philips’ system provided the system conforms to the I 38 Preliminary specification TDA8745 2 C patent to use the 2 C specification defined by ...
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... Philips Semiconductors Satellite sound receiver with I 1996 Mar 11 2 C-bus control NOTES 39 Preliminary specification TDA8745 ...
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... CA 94088-3409, Tel. (800)234-7381, Fax. (708)296-8556 Uruguay: Coronel Mora 433, MONTEVIDEO, Tel. (02)70-4044, Fax. (02)92 0601 Internet: http://www.semiconductors.philips.com/ps/ For all other countries apply to: Philips Semiconductors, International Marketing and Sales, Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Telex 35000 phtcnl, Fax. +31-40-2724825 SCDS47 © ...