STV5742 Fast Delivery |IC PHOENIX CO.,LIMITED

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STV5742
2-HEAD PLAYBACK AND RECORD AMPLIFIER FOR VCR
STV5742
2-HEAD PLA YBACK AND RECORD AMPLIFIER FOR VCR
February 1997
GND1
CAGCREC
RECIN
TRIV
CSYN
GND2
PBOUT
SWIN OUT
VCC
1.E
PIN CONNECTIONS
SO16 Narrow
(Plastic Package)
ORDER CODE: STV5742 ONE5V POWER SUPPLY. PLAYBACK/RECORD MODE SELECTION
THROUGHA LOGIC INPUT. SO16 PACKAGE. NO ADJUSTMENT FOR LUMINANCE RE-
CORDING
PLAYBACK MODE. LOW NOISE AND WIDE BAND AMPLIFIERS
FOR2 HEADS. AUTOMATIC OFFSET CANCELLATION
BETWEEN THE2 SELECTEDHEADS. ONE PLAYBACKOUTPUT. ONE OUTPUT FOR AUTOMATIC VIDEO
TRACKING
RECORD MODE. RECORD AGC AMPLIFIER SAMPLED BY
SYNCHRO SIGNAL. RECORDING SIGNAL LEVEL ADJUSTABLE EXTERNAL RESISTOR
1/7
2345 678101112131516RECIN TRIV CSYN GND2 PBOUT SWINCAGCRECV1 H1
GND1 C2
VCC
OUT
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
VCC 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. 100 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
STV5742
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ELECTRICAL CHARACTERISTICS (Tamb =25oC, unless otherwise specified)
Playback Mode (VCC= 5V,no loadon Pin PBOUT, Recadj= 12kΩ)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
PLAYBACK AMPLIFIER
ICC1 Supply Current 19 29 39 mA
GPB Playback Gain Sinewave 600kHz, 0.4mVPPon inputs 58 60 62 dB Equivalent Voltage Noise Input groundedvia IOUT Pin@ 600kHz,= 10kHz 0.45 0.6 nVHz EquivalentInput Current Noise Input open@ 6MHz, BW= 10kHz 2.5 pAHz
CRT1 Crosstalk Sinewave@ 4MHz, 0.4mVPP -35 -30 dB
RPBSW Playback Switchon Resistor @ 6MHz 1 5 10 Ω
BWLCF Attenuation@ 100KHz Reference level@ 600kHz -3 0 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 PBOUT 1.6 2 2.4 V
DVDC Head Switch Offset -0.1 0 0.1 V
SHPB1 2nd Harmonic Sinewave@ 4MHz, 0.4mVPP -45 -40 dB
TRIV FUNCTION
TRIV0 Output Level(1) No input signal 0 0.3 1 V
TRIV1 Output Level(2) Sinewave@ 4MHz, 100mVPP@ PBOUT 1.3 V
TRIV4 Output Level(3) Sinewave@ 4MHz, 400mVPP@ PBOUT 2.5 3.1 3.5 V
TRIV6 Output Level(4) Sinewave@ 4MHz, 600mVPP@ PBOUT 3.2 3.7 4.2 V
TRIV1-TRIV0 0.5 1 - V
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. Unit
RECORD AMPLIFIER
ICC2 Current Supply 55 85 115 mA
IHA0 DC Current through IOUT 28 38 47.5 mA
IHA1 Fundamental VRCY= 300mVPP@ 4MHz 34 36 38 mAPP
IHA2 2nd Harmonic VRCY= 300mVPP@ 4MHz -40 -36 dB
IHA2M 2nd Harmonic VRCY= 400mVPP@ 4MHz,
AGC adjustedfor IAH1= 40mAPP -34 -32 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 -0.2 0 +0.2 dB
RIOUT Output Resistance ΔV=5V 3.5 5.5 - κΩ
RSAT Output Stage Resistance ΔI= 10mA 5 10 50 Ω
IRN AGC Capacitor downloading
Current 4.5Vat CAGC Pin 165 μA
IRP AGC Capacitor uploading
Current
0.5Vat CAGC Pin,
VIN= 300mVPP@ 4MHz -165 μA
SWITCHING LEVELS
VSWINH SWIN Input Threshold Selects headH1,0to5V 1.5 2 2.5 V
VSWINL SWIN Input Threshold Selects headH2,5to0V 1.5 2 2.5 V
ISWINH SWIN Input Leakage Current 5Vat SWIN input 5 18 50 μA
ISWINL SWIN Input Leakage Current 0Vat SWIN input -50 -25 -5 μA
VSWRCH SWRC Input Threshold Selects record mode,0to5V 3.2 3.4 3.8 V
4.T
STV5742
3/7
ELECTRICAL CHARACTERISTICS (Tamb =25oC, unless otherwise specified)
Record Mode (VCC= 5V, Recadj= 12kΩ, SWR= 5V, CAGCREC= 470pF, RRCY= 2.2kΩ,
RRCC= 8.2kΩ, Load 10μH//1kΩfor each simulated head) (continued)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
SWITCHING LEVELS (continued)
VSWRCL SWRC InputThreshold Selects playback mode,5to0V 3.1 3.3 3.8 V
ISWRCH SWRC InputLeakage Current 5Vat SWRC input 2 5 8 mA
ISWRCL SWRC InputLeakage Current 0Vat SWRC input -20 0 20 μA
tON Delay Signal appearson PBOUT 3 ms Delay from playbackto record:
Signal disappearson Pin PBOUT 22nF between Hi/Vi 1 μs Delay from recordto playback:
Signal appearson Pin PBOUT 22nF between Hi/Vi 5 ms Delay from playbackto record:
Signal appearson Pin IOUT 25 μs Delay from recordto playback:
Signal disappearson Pin IOUT 7 μs
VCSYH CSYN Input Threshold Samplingon(I= -25μA) 2.2 2.5 2.8 V
VCSYL CSYN Input Threshold Samplingoff(I= 25μA) 2.2 2.5 2.8 V
ICSYH Leakage Current Samplingon -10 μA
ICSYL Leakage Current Samplingoff 10 μA
05.IOUT 50kΩ
Figure1V1
VCC VCC
2.7kΩ
5.E
Figure2
INTERNAL SCHEMATICSV2CC VCC
Figure3
C1/C2
Pins4/8
VCC
1kΩ
Figure4
STV5742
4/7
INTERNAL SCHEMATICS (continued)CC
36kΩ 150kΩ
Figure5CC
36kΩ 150kΩ
Figure6
SWIN
VCC
VCC
49kΩ
Figure7
PBOUT
VCC
VCC
63Ω
Figure8
CSYN
VCC
VCC
500Ω
Figure9
TRIV
VCC
VCC
200Ω
Figure10
STV5742
5/7
345 678101112131516RECIN TRIV CSYN GND2 PBOUT V
SWIN
CAGCRECV1 H1
GND1 C2
OUT
CAGC
22nF RADJ
12kΩ22nF
22μF
CDC222nF 22μH 1N4148CRCC
22nF
CRCY
22nF
RRCY
2.2kΩ
RRCC
8.2kΩ
CDC122nF CH222nFCH122nFH1H2
RECC
RECY RECH
CSYN
PBOUT
TRIV
VCC
22nF 1kΩ
VCC
100kΩ
APPLICATION DIAGRAM
INTERNAL SCHEMATICS (continued)
RECIN
VCC
Figure11
CAGCREC
VCC
VCC
VCC
2kΩ 2kΩ
Figure12
STV5742
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Partno	Mfg	Dc	Qty	Available	Descript
STV5742	ST	N/a	2029	avai	2-HEAD PLAYBACK AND RECORD AMPLIFIER FOR VCR