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Part: STV5742
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Datasheet: Download STV5742 datasheet File size : 627 kB
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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.EP S
V1
IOUT
V2
H2
H1
C1
ABSOLUTE MAXIMUM RATINGS
Symbol V CC Tj To per 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 R esistance M ax. Value 100 Unit
o
C/W
RECOMMENDED OPERATING CHARACTERISTICS
Symbol V CC C AGC RECADJ Power Supply Capacitance on Pin CAGCREC Record Biasing Resistor Parameter M in. 4.75 4.7 10 33 Typ. 5 Max. 5.25 Unit V nF k
5742-03.TB L
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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 C RT1 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 R eference level @ 600kHz R eference 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 H z pA H z dB dB dB pF V V dB V V V V V Parameter Test Conditions Min. T yp. Max. Unit
Sinewave @ 4MHz, 0.4mVPP N o input signal Sinewave @ 4MHz, 100mVPP @ PBOUT Sinewave @ 4MHz, 400mVPP @ PBOUT Sinewave @ 4MHz, 600mVPP @ PBOUT 0 2.5 3.2 0.5
TRIV FUNCT ION TRIV0 Output TRIV1 Output TRIV4 Output TRIV6 Output TRIV1-TRIV0
Record Mode (VC C = 5V, Recadj = 12k, SWR = 5V, CAGCREC = 470pF, RRCY = 2.2k, RRCC = 8.2k, Load 10µH//1k for each simulated head)
Symbol RECORD AMPLIFIER ICC2 IHA0 IHA1 IHA2 IHA2M BW RECL BW RECH DVLREC R IOUT 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 R esistance AGC Capacitor downloading Current AGC Capacitor uploading Current SWIN Input Threshold SWIN Input Threshold SWIN Input Leakage Current SWIN Input Leakage Current SWR C 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 m A 38 mAPP -36 dB -32 1 1 + 0.2 50 dB dB dB dB µA µA Parameter Test Conditions Min. T yp. Max. Unit
VRCY = 300mVPP @ 4MHz VRCY = 300mVPP @ 4MHz VRCY = 400mVPP @ 4MHz, AGC adjusted for IAH1 = 40mAPP R eference level @ 600kHz, AGC locked R eference 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 VSWR CH 1.5 1.5 5 - 50 3.2 2 2 18 -25 3.4 2.5 2.5 50 -5 3.8 V V µA µA V
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5742-04.TB L
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