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STV5744A
4-HEAD PLAYBACK AND RECORD AMPLIFIER FOR VCR
PLAYBACK MODE LOW NOISE AND WIDE BAND AMPLIFIERS FOR 4 HEADS AUTOMATIC OFFSET CANCELLATION BETWEEN THE 2 SELECTED HEADS ONE PLAYBACK OUTPUT ONE OUTPUT FOR AUTOMATIC VIDEO TRACKING SP/LP ENVELOPE COMPARATOR SHORT-CIRCUIT SWITCHES ON UNUSED HEADS RECORD MODE RECORD AGC AMPLIFIER SAMPLED BY SYNCHRO SIGNAL RECORDING SIGNAL LEVEL ADJUSTABLE BY EXTERNAL RESISTOR SHORT-CIRCUIT SWITCHES ON UNUSED HEADS PIN CONNECTIONS
. . . . . . . . . . . . .
ONE 5V POWER SUPPLY PLAYBACK/RECORD MODE SELECTION THROUGH A LOGIC INPUT SO20 PACKAGE NO ADJUSTMENT FOR LUMINANCE RECORDING
SO20 (Plastic Micropackage) ORDER CODE : STV5744A
I OUT SP
V1 SP V2 SP
H2 LP H2 SP GND1
1 2 3
4 5
20 19 18
17 16
CA GCREC RECIN/SWS
TRIV
CSYN GND2 YCPB/SWR V CC
6 7 8
9 10
15 14 13
12 11
H1 SP H1 LP V2 LP
V1 LP
SWIN
ENVC
5744A-01.EPS
I OUT LP
May 1997
1/8
STV5744A
BLOCK DIAGRAM
RECIN/SWS YCPB/SWR CAGCREC
S T V CSYNC 5 7 4 4 A
20
19
AGC
18
17
16
15
14
13
SWIN
VCC
12
11
IOUT LP
SWREC-LP
CSYN
ENVC
GND2
TRIV
CSYNC
IOUT LP
SW-M
VCC
SWRECSP
IN
C
FF
OUT VCC
SW-SP
60dB
60dB
60dB
60dB
SW1-SP
SW2-SP
IOUT LP
SW2-LP
SW1-LP
1
2
3
4
5
6
7
8
9
10
5744A-02.EPS
IOUT SP
H2 SP
GND1
H1 SP
V1 SP
V2 SP
H2 LP
H1 LP
V2 LP
ABSOLUTE MAXIMUM RATINGS
Symbol V CC Tj Toper Power Supply Voltage Junction Temperature Operating Temperature Parameter Value 6 150 0, +70 Unit
o o
V1 LP
SW-LP
C C
Symbol Rth (j-a)
Parameter Junction-ambient Thermal Resistance Max.
Value 75
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 nF k
5744A-03.TBL
V
2/8
5744A-02.TBL
THERMAL DATA
5744A-01.TBL
V
STV5744A
ELECTRICAL CHARACTERISTICS (Tamb = 25oC, unless otherwise specified) Playback Mode (VCC = 5V, no load on Pin YCPB, Recadj = 12k)
Symbol PLAYBACK AMPLIFIER ICC1 GPB EN IN CRT1 CRT2 RPBSW BWLCF BWHCF CIN ZIN ZCPB VDCPB1 DVDC SHPB1 RCST TRIV FUNCTION TRIV0 TRIV1 TRIV4 TRIV6 TRIV1 - TRIV0 SP/LP ENVELOPE DETECTOR VENVCH VENVCL SENS1 SENS2 Output Level Output Level Sensitivity Sensitivity 50VPP to 600VPP @ SP input pins 50VPP to 600VPP @ LP input pins 4 4 0 4.5 0.3 0.3 4.5 5 1 1 V V V
5744A-04.TBL
Parameter
Test Conditions
Min.
Typ. Max.
Unit
Supply Current Playback Gain Equivalent Voltage Noise Equivalent Input Current Noise Crosstalk (LP SP) Crosstalk (SP LP) Playback Switch on Resistor Attenuation @ 100KHz Attenuation @ 8MHz Input Capacitance Input Impedance Output Resistance DC Level on Pin YCPB Head Switch Offset 2nd Harmonic Off-resistance on unused channel Sinewave @ 4MHz, 0.4mVPP SW-S high Sinewave 600kHz, 0.4mVPP on inputs Input grounded via IOUT Pin @ 600kHz, BW = 10kHz Input open @ 6MHz, BW = 10kHz Sinewave @ 4MHz, 0.4mVPP Sinewave @ 4MHz, 0.4mVPP @ 6MHz Reference level @ 600kHz Reference level @ 4MHz @ 6MHz, 22nF between Vi/Hi @ 6MHz DC
42 58
52 60 0.6 1.7 -45 -41
62 62 0.7
mA dB nV Hz pA Hz
-40 -35 15 1 0 60 600 50 2.4 0.2 -40 20
dB dB dB dB pF V V dB
5 -3 -3 40 300 5 1.6 -0.2 10
10 -2 -1 50 450 24 2 0 -45 15
Output Level (1) Output Level (2) Output Level (3) Output Level (4)
No input signal Sinewave @ 4MHz, 100mVPP @ YCPB Sinewave @ 4MHz, 400mVPP @ YCPB Sinewave @ 4MHz, 600mVPP @ YCPB
0 2.5 3.15 0.5
0.3 1.3 3.1 3.65 1
1 3.5 4.15
V V V V V
V
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STV5744A
ELECTRICAL CHARACTERISTICS (Tamb = 25oC, unless otherwise specified (continued) 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
Parameter
Test Conditions
Min.
Typ. Max.
Unit
68 24 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 -3 -2 -0.2 3.5 5 30
91 33 32 -40
115 41 34 -36 -34
mA mA mAPP dB dB dB dB dB k A A
Attenuation at 100kHz Attenuation at 8MHz Record AGC Sensitivity Output Resistance Output Stage Resistance AGC Capacitor downloading Current AGC Capacitor uploading Current
0 -0.5 0 5.5 10 160 -165
1 1 +0.2 50
SWITCHING LEVELS VSWINL VSWIN1 VSWIN2 VSWINH ISWINH ISWINL VSWRCH VSWRCL ISWRCH ISWRCL tON t1 t2 t3 t4 VCSYH VCSYL ICSYH ICSYL VSWST ISWSH ISWSL SWIN Input Voltage SWIN Input Voltage SWIN Input Voltage SWIN Input Voltage SWIN Input Leakage Current SWIN Input Leakage Current SWRC Input Threshold SWRC Input Threshold SWRC Input Leakage Current SWRC Input Leakage Current Delay Delay from playback to record : Signal disappears on Pin YCPB Delay from record to playback : Signal appears on Pin YCPB 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 SWS Input Threshold SWS Input Leakage Current SWS Input Leakage Current 5V at SWS Input 0V at SWS Input 90 -20 Sampling on (I = -25A) Sampling off (I = 25A) Sampling on Sampling off 10 3 130 0 170 20 2.2 2.2 VRCY = 300mVPP @ 4MHz Selects head H2SP Selects head H1SP Selects head H1LP Selects head H2LP 5V at SWIN input 0V at SWIN input Selects record mode, 0 to 5V Selects playback mode, 5 to 0V 5V at SWRC input 0V at SWRC input Signal appears on YCPB 22nF between Hi/Vi 3.2 3.1 2 -20 0 1.3 2.8 4.3 0.5 -0.2 3.4 3.35 5 0 1.6 1 1.9 2 10 2.5 2.5 2.8 2.8 -10 3.8 3.8 8 20 0.8 2.3 3.8 5 V V V V A A V V mA A ms s ms ms s V V A A A A
5744A-05.TBL
V
4/8
STV5744A
INTERNAL SCHEMATICS Figure 1 Figure 2
VCC
VCC
IOUT SP/IOUT LP Pins 1/ 11
V2 SP/V2 LP Pins 3/9
5744A-04.EPS
Figure 3
Figure 4
VCC
VCC
VCC 50k 200k
V1 SP/V1 LP Pins 2/10
2.7k
H1 SP/H2 LP Pins 4/7
5744A-15.EPS
Figure 5
Figure 6
VCC 50k 200k
VCC
VCC
20k
H2 SP/H1 LP Pins 5/8
2k ENVC 12
5/8
5744A-08.EPS
5744A-07.EPS
5744A-06.EPS
5744A-05.EPS
7
50k
STV5744A
INTERNAL SCHEMATICS (continued) Figure 7 Figure 8
VCC V CC
VCC 2k SWIN 13
VCC
2k YCPB/SWR 15
63
5744A-09.EPS 5744A-10.EPS
Figure 9
VCC VCC
Figure 10
VCC
500 CSYN 17
VCC
TRIV 18 200
Figure 11
Figure 12
VCC VCC
VCC
VCC
RECIN/SWS 19 1.8k
CAGCREC 20
2k
5744A-13.EPS 5744A-14.EPS
2k
6/8
5744A-12.EPS
5744A-11.EPS
STV5744A
APPLICATION DIAGRAM
C4 1N4148 22nF R2 1k
IOUT SP
SW-SP
STV5744A
CSYNC 20
SWS CAGC 22nF RRCC CRCC 8.2k RRCY CREC 22nF CRCY YREC RECIN/SWS 2.2k 22nF TRIV
1
H2 SP
H1 SP
CAGCREC
AGC
V1 SP
SW1-SP
2
VCC
SWRECSP
19
SW-M
IOUT LP
V2 SP
3 CH2L 22nF CH2S
TRIV
18
SW2-SP
IN
H2 LP
4
FF C
60dB
CSYNC
17
CSYN
RADJ 12k
100k CSYN
OUT
H2 SP
5
60dB
GND2
16
1N4148 SWR
22nF
GND1
6 CH1S 15
YCPB/SWR YCPB
H1 SP
7
60dB
14
VCC
RSWM SWM 47k
22nF CH1L 22nF
H1 LP
8
60dB
SWIN 13
RSWH SWH 100k
V2 LP
SW2-LP
VCC
9
12
SWREC-LP
ENVC
ENVC L1 22H
V1 LP
10 H2 LP H1 LP
IOUT LP
SW1-LP
11
SW-LP
IOUT LP
VCC
C1 22nF R1 1k C3 22nF
C2 22F
5744A-03.EPS
SWITCH TABLE
SW-R L SW-M L H L H H L H L H SW-S L SW-H L H L H L H L H L H L H LP ON OFF ON OFF OFF ON SW1-SP SW1-LP Channel SW2-SP SW2-LP SW-SP 2-SP 1-SP 1-LP 2-LP 2-SP 1-SP 1-LP 2-LP SP OFF ON OFF ON ON OFF High
5744A-06.TBL
SW-LP SWREC-SP SWREC-LP ON OFF OFF
ENVC (SPLP) High IF LP > SP Low IF LP < SP
OFF
OFF
ON
OFF ON
ON OFF
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STV5744A
PACKAGE MECHANICAL DATA 20 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 0.23
Millimeters Typ.
Max. 2.65 0.2 2.45 0.49 0.32 45o (typ.)
Min. 0.004 0.014 0.009
Inches Typ.
Max. 0.104 0.0078 0.096 0.019 0.013
0.5 12.6 10 1.27 11.43 7.4 0.5 7.6 1.27 0.75 8o (Max.) 0.291 0.020 13.0 10.65 0.496 0.394
0.020 0.512 0.419 0.050 0.450 0.299 0.050 0.030
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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SO20C.TBL
PM-SO20.EPS

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