TDA4672 Philips Semiconductors, TDA4672 Datasheet

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TDA4672

Manufacturer Part Number
TDA4672
Description
Picture Signal Improvement PSI circuit with enhanced peaking function
Manufacturer
Philips Semiconductors
Datasheet
Product specification
Supersedes data of August 1993
File under Integrated Circuits, IC02
DATA SHEET
TDA4672
Picture Signal Improvement (PSI)
circuit with enhanced peaking
function
INTEGRATED CIRCUITS
1996 Dec 11

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TDA4672 Summary of contents

Page 1

... DATA SHEET TDA4672 Picture Signal Improvement (PSI) circuit with enhanced peaking function Product specification Supersedes data of August 1993 File under Integrated Circuits, IC02 INTEGRATED CIRCUITS 1996 Dec 11 ...

Page 2

... ORDERING INFORMATION TYPE NUMBER NAME TDA4672 DIP18 1996 Dec 11 GENERAL DESCRIPTION The TDA4672 delays the luminance signal. The luminance signal can also be improved by peaking and noise reduction (coring). C-bus PARAMETER PACKAGE DESCRIPTION plastic dual in-line package; 18 leads (300 mil) 2 Product specification TDA4672 MIN ...

Page 3

... Philips Semiconductors Picture Signal Improvement (PSI) circuit with enhanced peaking function BLOCK DIAGRAM 1996 Dec 11 3 Product specification TDA4672 pagewidth full handbook, ...

Page 4

... Pin 7 is connected directly to pin 6. 1996 Dec 11 handbook, halfpage i o n.c. TDA4672 GND2 8 SDA 9 Fig.2 Pin configuration. 4 Product specification TDA4672 GND1 18 SAND ref 15 C CLP2 14 C CLP1 COR 11 10 SCL MED757 ...

Page 5

... Philips Semiconductors Picture Signal Improvement (PSI) circuit with enhanced peaking function FUNCTIONAL DESCRIPTION The TDA4672 contains luminance signal processing. The luminance signal section comprises a variable, integrated luminance delay line with luminance signal peaking and noise reduction by coring. All functions and parameters are controlled via the ...

Page 6

... I C-bus 6 Product specification CONDITIONS MIN. 0 0.1 0.1 0 note 1 VALUE and measurements amb MIN. TYP. 4 450 3 1070 1100 20 TDA4672 MAX. UNIT 8 +8 0.97 W +150 +250 V 500 V 500 V UNIT K/W MAX. UNIT 8 ...

Page 7

... V = 450 mV (p-p) VBS V = 640 mV (p-p) VBS 2 C-bus f ; LCF-bit = LCF-bit = delay = 215 ns; peaking delay only without peaking MHz COR-bit = 1 7 Product specification TDA4672 MIN. TYP. MAX. UNIT 185 215 245 0.4 mA ...

Page 8

... CONDITIONS 2 C-bus SC5-bit = 0 (+12 V) 1.1 SC5-bit = 0 (+12 V) 5.5 SC5-bit = 1 (+5 V) 1.1 SC5-bit = 1 (+5 V) 3.0 +12 V input level input level 15 3.0 referenced note o(ACK) sink current 3 8 Product specification TDA4672 MIN. TYP. MAX. UNIT 1.5 1.9 V 6.5 7.5 V 1.5 1.9 V 3.5 4 4.0 4 ...

Page 9

... PCONx set peaking amplification 1996 Dec 11 (2) (3) ACK SUBADDRESS SC5 0 COR PEAK LCF FUNCTION 9 Product specification TDA4672 (4) (3) (5) ACK DATA DATA DL4 DL3 DL2 DL1 0 PCON3 PCON2 PCON1 PCON0 LOGIC ...

Page 10

... Power-on reset bits of data bytes are set to logic 0, D0 bit is set to logic 1. 1996 Dec 11 PCON1 PCON0 Product specification TDA4672 GRADE OF PEAKING (dB ...

Page 11

... Philips Semiconductors Picture Signal Improvement (PSI) circuit with enhanced peaking function INTERNAL CIRCUITRY 1996 Dec 11 11 Product specification TDA4672 pagewidth full handbook, ...

Page 12

... V oY (VBS CLP1 13 0 CLP2 TDA4672 14 0 ref 15 0 (VBS) 16 0.1 F SAND 17 GND1 18 Fig.4 Test and application circuit. 12 SDA 9 GND2 MED758 V B Product specification TDA4672 ...

Page 13

... 0.53 1.40 0.32 21.8 0.38 1.14 0.23 21.4 0.021 0.055 0.013 0.86 0.015 0.044 0.009 0.84 REFERENCES JEDEC EIAJ ( 6.48 3.9 8.25 2.54 7.62 6.20 3.4 7.80 0.26 0.15 0.32 0.10 0.30 0.24 0.13 0.31 EUROPEAN PROJECTION Product specification TDA4672 SOT102-1 ( max. 9.5 0.254 0.85 8.3 0.37 0.01 0.033 0.33 ISSUE DATE 93-10-14 95-01-23 ...

Page 14

... If the bit temperature is between 300 and 400 C, contact may seconds components conveys a license under the Philips’ system provided the system conforms to the I 14 Product specification TDA4672 ). If the stg max 2 C patent to use the 2 C specification defined by ...

Page 15

... Philips Semiconductors Picture Signal Improvement (PSI) circuit with enhanced peaking function 1996 Dec 11 NOTES 15 Product specification TDA4672 ...

Page 16

... Mexico: 5900 Gateway East, Suite 200, EL PASO, TEXAS 79905, Tel. +9-5 800 234 7381 Middle East: see Italy For all other countries apply to: Philips Semiconductors, Marketing & Sales Communications, Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. + 24825 © Philips Electronics N.V. 1996 All rights are reserved ...

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