STV5744A Fast Delivery |IC PHOENIX CO.,LIMITED

STV5744A ,4-HEAD PLAYBACK AND RECORD AMPLIFIER FOR VCRSTV5744A4-HEAD PLAYBACK AND RECORD AMPLIFIER FOR VCR.ONE 5V POWER SUPPLY.PLAYBACK/RECORD MODE SELEC ..
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STV5744A
4-HEAD PLAYBACK AND RECORD AMPLIFIER FOR VCR
STV5744A
4-HEAD PLA YBACK AND RECORD AMPLIFIER FOR VCR
May 1997
GND1
IOUT
VCC
CAGCREC
RECIN/SWS
TRIV
CSYN
GND2
SWIN
ENVC
IOUT LPSPSP SP SPLPLPLPLP
YCPB/SWR
PIN CONNECTIONS
SO20
(Plastic Micropackage)
ORDER CODE: STV5744A 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
BETWEEN THE2 SELECTEDHEADS. 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
1/8
CAGCREC RECIN/SWS TRIV CSYN GND2 YCPB/SWR SWIN ENVC
GND1
SWREC-LP
VCC
AGC
CSYNC
SW-SP
SW-LP
SW1-LPSW2-LP
SW-M
CSYNC
60dB
SWRECSP
SW2-SPSW1-SP
IOUTLP
IOUTIN OUTFF5 789 10432116 14 13 12 1117181920
60dB 60dB 60dB
VCC
IOUT
OUT
.EPS
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. 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
STV5744A
2/8
ELECTRICAL CHARACTERISTICS (Tamb =25oC, unless otherwise specified)
Playback Mode (VCC= 5V,no loadon Pin YCPB, Recadj= 12kΩ)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
PLAYBACK AMPLIFIER
ICC1 Supply Current 42 52 62 mA
GPB Playback Gain Sinewave 600kHz, 0.4mVPPon inputs 58 60 62 dB Equivalent Voltage Noise Input groundedvia IOUTPin@ 600kHz,= 10kHz 0.6 0.7 nVHz Equivalent Input Current Noise Input open@ 6MHz, BW= 10kHz 1.7 pAHz
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 0.3 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
TRIV1- TRIV0 0.5 1 V
SP/LP ENVELOPEDETECTOR
VENVCH Output Level 4 4.5 5 V
VENVCL Output Level 0 0.3 1 V
SENS1 Sensitivity 50μVPPto 600μVPP@SP input pins 0.3 1 V
SENS2 Sensitivity 50μVPPto 600μVPP@LP input pins 4 4.5 V
STV5744A
3/8
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. Unit
RECORD AMPLIFIER
ICC2 Current Supply 68 91 115 mA
IHA0 DC Current through IOUT 24 33 41 mA
IHA1 Fundamental VRCY= 300mVPP@ 4MHz 30 32 34 mAPP
IHA2 2nd Harmonic VRCY= 300mVPP@ 4MHz -40 -36 dB
IHA2M 2nd Harmonic VRCY= 400mVPP@ 4MHz,
AGC adjustedfor IAH1= 40mAPP
-34 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 kΩ
RSAT Output Stage Resistance ΔI= 10mA 5 10 50 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
VSWINL SWIN Input Voltage Selects head H2SP 0 0.8 V
VSWIN1 SWIN Input Voltage Selects head H1SP 1.3 2.3 V
VSWIN2 SWIN Input Voltage Selects head H1LP 2.8 3.8 V
VSWINH SWIN Input Voltage Selects head H2LP 4.3 5 V
ISWINH SWIN Input Leakage Current 5V atSWIN input 0.5 μA
ISWINL SWIN Input Leakage Current 0V atSWIN 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 5V atSWRC input 2 5 8 mA
ISWRCL SWRC Input Leakage Current 0V atSWRC 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 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
VSWST SWS Input Threshold 3 V
ISWSH SWS Input Leakage Current 5V atSWS Input 90 130 170 μA
ISWSL SWS Input Leakage Current 0V atSWS Input -20 0 20 μA
44A
STV5744A
4/8
IOUT SP/IOUTLP
Pins1/11 50kΩ
44A
Figure1
INTERNAL SCHEMATICS SP/V2LP
Pins 3/9
VCC VCC
44A
Figure2 SP/H2LP
Pins 4/7
VCC
50kΩ 200kΩ
744A
6.E
Figure4 SP/H1 LP
Pins 5/8
VCC
50kΩ 200kΩ
5744A
7.E
Figure5
ENVC
VCC
VCC
20kΩ
2kΩ
44A
Figure6 SP/V1LP
Pins 2/10
2.7kΩ
VCCVCC
744A
5.E
Figure3
STV5744A
5/8
INTERNAL SCHEMATICS (continued)
YCPB/SWR
VCC
VCC
2kΩ
63Ω
44A
Figure8
CSYN
VCC
VCC
500Ω
744A
Figure9
TRIV
VCC
VCC
200Ω
44A
Figure10
RECIN/SWS
VCC
1.8kΩ
44A
Figure11
CAGCREC
VCC
VCC
VCC
2kΩ
2kΩ
44A
Figure12
SWIN
VCC
VCC
2kΩ
44A
Figure7
STV5744A
6/8

Partno	Mfg	Dc	Qty	Available	Descript
STV5744A	ST	N/a	3294	avai	4-HEAD PLAYBACK AND RECORD AMPLIFIER FOR VCR