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STV5726A
2-HEAD PLAYBACK AND RECORD AMPLIFIER FOR VCR
STV5726A4-HEAD PLA YBACK AND RECORD AMPLIFIER FOR VCR
February 1997
GND1
IOUT
VCC
CAGCREC
RECIN/SWS
TRIV
CSYN
GND2
SWIN
ENVC
IOUT LPSPSP SP SPLPLPLPLP
YCPB/SWR
PIN CONNECTIONS
SO20
(Plastic Package)
ORDER CODE: STV5726A ONE5V POWER SUPPLY. PLAYBACK/RECORD MODE SELECTION
THROUGHA LOGIC INPUT. SO20 PACKAGE. NO ADJUSTMENT FOR LUMINANCE RE-
CORDING
PLAYBACK MODE. LOW NOISE AND WIDE BAND AMPLIFIERS
FOR4 HEADS. AUTOMATIC OFFSET CANCELLATION BE-
TWEEN THE2 SELECTED HEADS. ONE PLAYBACKOUTPUT. ONE OUTPUT FOR AUTOMATIC VIDEO
TRACKING. SP/LP ENVELOPECOMPARATOR. SHORT-CIRCUIT SWITCHES ON UNUSED
HEADS
RECORD MODE. RECORD AGC AMPLIFIER SAMPLED BY
SYNCHRO SIGNAL. RECORDING SIGNAL LEVEL ADJUSTABLE EXTERNAL RESISTOR. SHORT-CIRCUIT SWITCHES ON UNUSED
HEADS
1/6
OUTFFSWREC-LP
VCC
AGC 234 56 789 10121314151617181920
CSYNC
SW-SP LPOUT
SWREC-SP
VCC
OUT
SW-LP
SW1-SP SW1-LPSW2-LPSW2-SP
60dB 60dB 60dB 60dB
SW-M
CSYNC
CAGCREC
RECIN/SWS
TRIV CSYN GND2
YCPB/SWR SWIN
ENVC I
OUT
GND1
OUT
.EPS
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value UnitVCC Power Supply Voltage 6 V Junction Temperature 150 oC
Toper Operating Temperature 0, +70 oC
THERMAL DATA
Symbol Parameter Value Unit
Rth(j-a) Junction-ambient Thermal Resistance Max. 75 o C/W
RECOMMENDED OPERATING CHARACTERISTICS
Symbol Parameter Min. Typ. Max. Unit
VCC Power Supply 4.75 5 5.25 V
CAGC Capacitanceon Pin CAGCREC 4.7 nF
RECADJ Record Biasing Resistor 10 33 kΩ
STV5726A
2/6
ELECTRICAL CHARACTERISTICS (Tamb =25oC, unless otherwise specified)
Playback Mode (VCC= 5V,no loadon Pin YCPB, Recadj= 12kΩ)
Symbol Parameter Test Conditions Min. Typ. Max. UnitPLAYBACK AMPLIFIER
ICC1 Supply Current 42 52 62 mA
GPB Playback Gain Sinewave 600kHz, 0.4mVPPon inputs 55 57 59 dB Equivalent Voltage Noise Input groundedvia IOUT Pin@ 600kHz,= 10kHz 0.6 nVHz Equivalent Input Current Input open@ 6MHz, BW= 10kHz 2 pAHz
CRT1 Crosstalk (LP→ SP) Sinewave@ 4MHz, 0.4mVPP -45 -40 dB
CRT2 Crosstalk (SP→ LP) Sinewave@ 4MHz, 0.4mVPP -41 -35 dB
RPBSW Playback Switchon Resistor @ 6MHz 5 10 15 Ω
BWLCF Attenuation@ 100KHz Reference level@ 600kHz -3 -2 1 dB
BWHCF Attenuation@ 8MHz Reference level@ 4MHz -3 -1 0 dB
CIN Input Capacitance @ 6MHz, 22nF between Vi/Hi 40 50 60 pF
ZIN Input Impedance @ 6MHz 300 450 600 Ω
ZCPB Output Resistance DC 5 24 50 Ω
VDCPB1 DC Levelon Pin YCPB 1.6 2 2.4 V
DVDC Head Switch Offset -0.2 0 0.2 V
SHPB1 2nd Harmonic Sinewave@ 4MHz, 0.4mVPP -45 -40 dB
RCST Off-resistanceon unused channel SW-S high 10 15 20 Ω
TRIV FUNCTION
TRIV0 Output Level(1) No input signal 0 0.1 1 V
TRIV1 Output Level(2) Sinewave@ 4MHz, 100mVPP@ YCPB 1.3 V
TRIV4 Output Level(3) Sinewave@ 4MHz, 400mVPP@ YCPB 2.5 3.1 3.5 V
TRIV6 Output Level(4) Sinewave@ 4MHz, 600mVPP@ YCPB 3.15 3.65 4.15 V
SP/LP ENVELOPEDETECTOR
ROH Output Resistance@ ENVC Sinewave 600μVPP@ 4MHzon H1LP
CSYN signal applied kΩ
ROL Output Resistance@ ENVC Sinewave 600μVPP@ 4MHzon H2SP
CSYN signal applied
2kΩ
VENVCH Output Level 4 4.8 5 V
VENVCL Output Level 0 0.1 1 V
SENS1 Sensitivity 100μVPPto 600μVPP@SP input pins 0.1 1 V
SENS2 Sensitivity 100μVPPto 600μVPP@LP input pins 4 4.8 V
726A
STV5726A
3/6
ELECTRICAL CHARACTERISTICS (Tamb =25oC, unless otherwise specified (continued)
Record Mode (VCC= 5V, Recadj= 12kΩ, SWR= 5V, CAGCREC= 470pF, RRCY= 2.2kΩ,
RRCC= 8.2kΩ, Load 10μH//1kΩ for each simulated head)
Symbol Parameter Test Conditions Min. Typ. Max. UnitRECORD AMPLIFIER
ICC2 Current Supply 70 85 100 mA
IHA0 DC Current through IOUT 21 27 34 mA
IHA1 Fundamental VRCY= 300mVPP@ 4MHz 20 23 26 mAPP
IHA2 2nd Harmonic VRCY= 300mVPP@ 4MHz -45 -38 dB
BWRECL Attenuationat 100kHz Reference level@ 600kHz, AGC locked -3 0 1 dB
BWRECH Attenuationat 8MHz Reference level@ 4MHz, AGC locked -2 -0.5 1 dB
DVLREC Record AGC Sensitivity VIN= 300mVPP ±3dB@f= 4MHz -1 0 +1 dB
RIOUT Output Resistance ΔV=5V 800 Ω
RSAT Output Stage Resistance ΔI= 10mA Ω
IRN AGC Capacitor downloading
Current
4.5Vat CAGC Pin 160 μA
IRP AGC Capacitor uploading
Current
0.5Vat CAGC Pin,
VIN= 300mVPP@ 4MHz
-165 μA
SWITCHING LEVELS
VSWINH SWIN Input Voltage Selects head H2LP 4.75 5 V
VSWINL SWIN Input Voltage Selects head H2SP 0 0.25 V
VSWIN2 SWIN Input Voltage Selects head H1LP 2.75 4.25 V
VSWIN1 SWIN Input Voltage Selects head H1SP 0.75 2.25 V
ISWINH SWIN Input Leakage Current 5Vat SWIN input 0.5 μA
ISWINL SWIN Input Leakage Current 0Vat SWIN input -0.2 μA
VSWRCH SWRC Input Threshold Selects record mode,0to5V 3.2 3.4 3.8 V
VSWRCL SWRC Input Threshold Selects playback mode,5to0V 3.1 3.35 3.8 V
ISWRCH SWRC Input Leakage Current 5Vat SWRC input 2 5 8 mA
ISWRCL SWRC Input Leakage Current 0Vat SWRC input -20 0 20 μA
tON Delay Signal appearson YCPB 1.6 ms Delay from playbackto record:
Signal disappearsonPin YCPB
22nF between Hi/Vi 1 μs Delay from recordto playback:
Signal appearson Pin YCPB
1.9 ms Delay from playbackto record:
Signal appearson Pin IOUT
VRCY= 300mVPP@ 4MHz 2 ms Delay from recordto playback:
Signal disappearsonPin IOUT μs
VCSYH CSYN Input Threshold Sampling on,0to5V 2.0 2.7 3.2 V
VCSYL CSYN Input Threshold Sampling off,5to0V 2.0 2.6 3.1 V
ICSYH Leakage Current 5Vat CSYN Pin, Samplingon -10 0 10 μA
ICSYL Leakage Current 0Vat CSYN Pin, Samplingoff -50 -16 -5 μA
VSWST SWS Input Threshold Voltage valueat RECIN/SWS Pin 3 3.5 V
ISWSH SWS Input Leakage Current 5Vat SWS Input 130 μA
ISWSL SWS Input Leakage Current 0Vat SWS Input -20 0 20 μA
26A
STV5726A
4/6
SWITCH TABLE
SW-R SW-M SW-S SW-H Channel SW1-SP
SW2-SP
SW1-LP
SW2-LP SW-SP SW-LP SWREC-SP SWREC-LP ENVC (SPLP) 2-SP
OFF OFF ON OFF OFF
HighIFLP>SP
LowIFLP
26A
Note:1. The recording currentcanbeset differentfor eachof thefour heads.To performitthe ENVC outputis eitherat lowlevelor high
impedance accordingtothe selected heador mode. Then two external resistors with adequate value havetobe connected
respectivelybetween theENVC andTRIVand SWMand TRIV, playingsothatonthe equivalent valueofthe RADJ resistor.
SWREC-LP
VCC
AGC 11
CSYNC
SW-SP
ILPOUT
SWREC-SP
VCC LPOUT
SW-LP
SW1-SP
SW1-LP
SW2-LP
SW2-SP
60dB
SW-M
CSYNC
VCC
CAGCREC
TRIV
CSYN
GND2
YCPB/SWR
SWIN
ENVC
IOUTLP
GND1
IOUTSPSPSPSPSPLPLPLPLP
60dB
60dB
60dB
CH1S
CH2S
22nF
CH2L
CH1L
RADJ
12kΩ
RSWH
22kΩ
RSWM
8.2kΩ
1N4148
RRCY
2.2kΩ
CRCY
1N4148
RRCC
8.2kΩ
CRCC
SWS
CREC
YREC
TRIV
CSYN
SWR
YCPB
SWM
SWH
ENVC
VCC
CAGC
22nF
22nF
22μF 22μH
OUT
22nF
22nF
22nF
22nF R2
1kΩ
22nF C3
1kΩ
22nF
22nFRECIN/SWS
STV5726A
3.E
APPLICATION DIAGRAM
STV5726A
5/6
.EPS
PACKAGE MECHANICAL DATA PINS- PLASTIC MICROPACKAGE (SO)
Information furnishedis believedtobe accurate and reliable.However, SGS-THOMSON Microelectronicsassumesno responsibility
forthe consequencesof useof suchinformationnorforany infringement ofpatentsor other rightsof thirdpartieswhich may result
fromits use.No licenceis grantedby implicationorotherwiseunder anypatent orpatent rights ofSGS-THOMSON Microelectronics.
Specifications mentionedin this publicationare subjectto change without notice. This publication supersedes and replacesall
information previouslysupplied.SGS-THOMSON Microelectronics productsarenot authorizedfor useas criticalcomponentsinlife
support devices orsystems without expresswritten approvalof SGS-THOMSON Microelectronics. 1997SGS-THOMSON Microelectronics- AllRights Reserved
PurchaseofI2C Componentsof SGS-THOMSONMicroelectronics, conveysa licenseunderthe Philips2C Patent. Rightsto use these components inaI2C system,is granted provided thatthe system conformsto
theI2C StandardSpecificationsas definedby Philips.
SGS-THOMSON MicroelectronicsGROUPOF 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.
Dimensions Millimeters Inches
Min. Typ. Max. Min. Typ. Max. 2.65 0.104 0.1 0.3 0.004 0.012 2.45 0.096 0.35 0.49 0.014 0.019 0.23 0.32 0.009 0.013 0.5 0.020 45o (typ.) 12.6 13.0 0.496 0.512 10 10.65 0.394 0.419 1.27 0.050 11.43 0.450 7.4 7.6 0.291 0.299 0.5 1.27 0.020 0.050 0.75 0.030o (Max.)
STV5726A
6/6
