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STV5742
2-HEAD PLAYBACK AND RECORD AMPLIFIER FOR VCR
PLAYBACK MODE LOW NOISE AND WIDE BAND AMPLIFIERS FOR 2 HEADS AUTOMATIC OFFSET CANCELLATION BETWEEN THE 2 SELECTED HEADS ONE PLAYBACK OUTPUT ONE OUTPUT FOR AUTOMATIC VIDEO TRACKING RECORD MODE RECORD AGC AMPLIFIER SAMPLED BY SYNCHRO SIGNAL RECORDING SIGNAL LEVEL ADJUSTABLE BY EXTERNAL RESISTOR PIN CONNECTIONS
. . . . . . . . . .
ONE 5V POWER SUPPLY PLAYBACK/RECORD MODE SELECTION THROUGH A LOGIC INPUT SO16 PACKAGE NO ADJUSTMENT FOR LUMINANCE RECORDING
SO16 Narrow (Plastic Package) ORDER CODE : STV5742
I OUT V1 V2 C1 H2 GND1 H1 C2
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
CAGCREC RECIN TRIV CSYN GND2 PBOUT VCC SWIN
5742-01.EPS
February 1997
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STV5742
BLOCK DIAGRAM
CAGCREC PBOUT
RECIN
CSYN
GND2
16
15
14
13
12
11
10
SWIN
9
TRIV
VCC
VCC
S T V 5 7 4 2
1
2
3
4
5
6
7
8
5742-02.EPS
V1
IOUT
V2
H2
H1
C1
ABSOLUTE MAXIMUM RATINGS
Symbol V CC Tj Toper Power Supply Voltage Junction Temperature Operating Temperature Parameter Value 6 150 0, +70 Unit V
o o
GND1
C2
C C
THERMAL DATA
Symbol Rth (j-a) Parameter Junction-ambient Thermal Resistance Max. Value 100 Unit
o
C/W
RECOMMENDED OPERATING CHARACTERISTICS
Symbol V CC CAGC RECADJ Power Supply Capacitance on Pin CAGCREC Record Biasing Resistor Parameter Min. 4.75 4.7 10 33 Typ. 5 Max. 5.25 Unit V nF k
5742-03.TBL
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5742-02.TBL
5742-01.TBL
STV5742
ELECTRICAL CHARACTERISTICS (Tamb = 25oC, unless otherwise specified) Playback Mode (VCC = 5V, no load on Pin PBOUT, Recadj = 12k)
Symbol PLAYBACK AMPLIFIER ICC1 GPB EN IN CRT1 RPBSW BWLCF BWHCF C IN ZIN ZCPB VDCPB1 DVDC SHPB1 Supply Current Playback Gain Equivalent Voltage Noise Equivalent Input Current Noise Crosstalk Playback Switch on Resistor Attenuation @ 100KHz Attenuation @ 8MHz Input Capacitance Input Impedance Output Resistance DC Level on Pin PBOUT Head Switch Offset 2nd Harmonic Level (1) Level (2) Level (3) Level (4) Sinewave 600kHz, 0.4mVPP on inputs Input grounded via IOUT Pin @ 600kHz, BW = 10kHz Input open @ 6MHz, BW = 10kHz Sinewave @ 4MHz, 0.4mVPP @ 6MHz Reference level @ 600kHz Reference level @ 4MHz @ 6MHz, 22nF between Vi/Hi @ 6MHz DC 1 -3 -3 40 300 5 1.6 -0.1 19 58 29 60 0.45 2.5 -35 5 0 -1 50 450 24 2 0 -45 0.3 1.3 3.1 3.7 1 -30 10 1 0 60 600 50 2.4 0.1 -40 1 3.5 4.2 39 62 0.6 mA dB nV Hz pA Hz dB dB dB pF V V dB V V V V V Parameter Test Conditions Min. Typ. Max. Unit
Sinewave @ 4MHz, 0.4mVPP No input signal Sinewave @ 4MHz, 100mVPP @ PBOUT Sinewave @ 4MHz, 400mVPP @ PBOUT Sinewave @ 4MHz, 600mVPP @ PBOUT 0 2.5 3.2 0.5
TRIV FUNCTION TRIV0 Output TRIV1 Output TRIV4 Output TRIV6 Output TRIV1-TRIV0
Record Mode (VCC = 5V, Recadj = 12k, SWR = 5V, CAGCREC = 470pF, RRCY = 2.2k, RRCC = 8.2k, Load 10H//1k for each simulated head)
Symbol RECORD AMPLIFIER ICC2 IHA0 IHA1 IHA2 IHA2M BWRECL BWRECH DVLREC RIOUT RSAT IRN IRP Current Supply DC Current through IOUT Fundamental 2nd Harmonic 2nd Harmonic Attenuation at 100kHz Attenuation at 8MHz Record AGC Sensitivity Output Resistance Output Stage Resistance AGC Capacitor downloading Current AGC Capacitor uploading Current SWIN Input Threshold SWIN Input Threshold SWIN Input Leakage Current SWIN Input Leakage Current SWRC Input Threshold 55 28 34 85 38 36 -40 -34 -3 -2 -0.2 3.5 5 0 -0.5 0 5.5 10 165 -165 115 mA 47.5 mA 38 mAPP -36 dB -32 1 1 +0.2 50 dB dB dB dB A A Parameter Test Conditions Min. Typ. Max. Unit
VRCY = 300mVPP @ 4MHz VRCY = 300mVPP @ 4MHz VRCY = 400mVPP @ 4MHz, AGC adjusted for IAH1 = 40mAPP Reference level @ 600kHz, AGC locked Reference level @ 4MHz, AGC locked VIN = 300mVPP 3dB @ f = 4MHz V = 5V I = 10mA 4.5V at CAGC Pin 0.5V at CAGC Pin, VIN = 300mVPP @ 4MHz Selects head H1, 0 to 5V Selects head H2, 5 to 0V 5V at SWIN input 0V at SWIN input Selects record mode, 0 to 5V
SWITCHING LEVELS VSWINH VSWINL ISWINH ISWINL VSWRCH 1.5 1.5 5 -50 3.2 2 2 18 -25 3.4 2.5 2.5 50 -5 3.8 V V A A V
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5742-04.TBL
STV5742
ELECTRICAL CHARACTERISTICS (Tamb = 25oC, unless otherwise specified) Record Mode (VCC = 5V, Recadj = 12k, SWR = 5V, CAGCREC = 470pF, RRCY = 2.2k, RRCC = 8.2k, Load 10H//1k for each simulated head) (continued)
Symbol VSWRCL ISWRCH ISWRCL tON t1 t2 t3 t4 VCSYH VCSYL ICSYH ICSYL Parameter SWRC Input Threshold SWRC Input Leakage Current SWRC Input Leakage Current Delay Delay from playback to record : Signal disappears on Pin PBOUT Delay from record to playback : Signal appears on Pin PBOUT Delay from playback to record : Signal appears on Pin IOUT Delay from record to playback : Signal disappears on Pin IOUT CSYN Input Threshold CSYN Input Threshold Leakage Current Leakage Current Test Conditions Selects playback mode, 5 to 0V 5V at SWRC input 0V at SWRC input Signal appears on PBOUT 22nF between Hi/Vi 22nF between Hi/Vi Min. 3.1 2 -20 Typ. Max. 3.3 5 0 3 1 5 25 7 Sampling Sampling Sampling Sampling on (I = -25A) off (I = 25A) on off 2.2 2.2 10 2.5 2.5 2.8 2.8 -10 3.8 8 20 Unit V mA A ms s ms s s V V A A SWITCHING LEVELS (continued)
INTERNAL SCHEMATICS Figure 1 Figure 2
VCC
IOUT 1
VCC
V1 2 2.7k
5742-04.EPS 5742-05.EPS
7
50k
Figure 3
Figure 4
VCC
VCC
VCC
C1/C2 Pins 4/8
V2 3
5742-06.EPS
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5742-07.EPS
1k
5742-05.TBL
STV5742
INTERNAL SCHEMATICS (continued) Figure 5
VCC 36k 150k
Figure 6
VCC 36k 150k
H2 5
H1 7
5742-08.EPS
Figure 7
Figure 8
VCC VCC
VCC
VCC
PBOUT 11
SWIN 9 49k
5742-10.EPS
Figure 9
VCC VCC
Figure 10
VCC
CSYN 13 500
VCC
TRIV 14 200
5742-12.EPS 5742-13.EPS
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5742-11.EPS
63
5742-09.EPS
STV5742
INTERNAL SCHEMATICS (continued) Figure 11 Figure 12
VCC VCC
VCC
VCC
RECIN 15
CAGCREC 16
2k
5742-14.EPS 5742-15.EPS 5742-03.EPS
2k
APPLICATION DIAGRAM
RECC RECY
CRCC 22 nF
CRCY 22nF 100k
D1 1N4148 SW REC SW H CSYN PBOUT
L1 22H R RCC 8.2k RRCY 2.2k C1 22nF CAGCREC C2 22F
VCC
TRIV
PBOUT
RECIN
CSYN
GND2
SWIN
TRIV
16
15
14
13
12
11
VCC
CAGC 22nF
RADJ 12k
9
10
VCC
S T V 5 7 4 2
R 1 1k
1 I OUT
2
3
4
5
6
7
8
V1
V2
H2
GND1
H1
C1
C3 22nF
H2
H1
CDC1 22nF
CH1 22nF
C H2 22 nF
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C2 CDC2 22nF
STV5742
PACKAGE MECHANICAL DATA 16 PINS - PLASTIC MICROPACKAGE (SO)
Dimensions A a1 a2 b b1 C c1 D E e e3 F L M S
Min. 0.1 0.35 0.19
Millimeters Typ.
Max. 1.75 0.25 1.6 0.46 0.25 45o (typ.)
Min. 0.004 0.014 0.007
Inches Typ.
Max. 0.069 0.009 0.063 0.018 0.010
0.5 9.8 5.8 1.27 8.89 3.8 0.4 4.0 1.27 0.62 8o (Max.) 0.150 0.016 10 6.2 0.386 0.228
0.020 0.394 0.244 0.050 0.350 0.157 0.050 0.024
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No licence is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This pu blication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. (c) 1997 SGS-THOMSON Microelectronics - All Rights Reserved Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips I2C Patent. Rights to use these components in a I2C system, is granted provided that the system conforms to the I2C Standard Specifications as defined by Philips. SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
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SO16N.TBL
PM-SO16N.EPS

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