Datasheet STV5742 Datasheet (SGS Thomson Microelectronics)

Page 1
2-HEAD PLAYBACKAND RECORD AMPLIFIERFOR VCR
.
ONE 5V POWERSUPPLY
.
PLAYBACK/RECORD MODE SELECTION THROUGHA LOGICINPUT
.
SO16PACKAGE
.
NO ADJUSTMENT FOR LUMINANCE RE­CORDING
PLAYBACK MODE
.
LOW NOISE AND WIDE BAND AMPLIFIERS FOR2 HEADS
.
AUTOMATIC OFFSET CANCELLATION BETWEENTHE 2 SELECTEDHEADS
.
ONE PLAYBACKOUTPUT
.
ONE OUTPUT FOR AUTOMATIC VIDEO TRACKING
RECORDMODE
.
RECORD AGC AMPLIFIER SAMPLED BY SYNCHROSIGNAL
.
RECORDING SIGNAL LEVEL ADJUSTABLE BYEXTERNALRESISTOR
SO16 Narrow
(Plastic Package)
ORDER CODE :
STV5742
STV5742
PIN CONNECTIONS
February 1997
I
OUT
V1
V2 C1 H2
GND1
H1 C2
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10
CC
9
SWIN
5742-01.EPS
1/7
Page 2
STV5742
BLOCKDIAGRAM
CAGCREC
RECIN
14
TRIV
CSYN
GND2
PBOUT
CC
V
SWIN
9101112131516
S T V 5 7 4
V
CC
12345678
I
OUT
V1
V2
C1
H2
H1
GND1
2
C2
ABSOLUTE MAXIMUMRATINGS
Symbol Parameter Value Unit
V
CC
T
T
oper
Power Supply Voltage 6 V Junction Temperature 150
j
Operating Temperature 0, +70
5742-02.EPS
o
C
o
C
5742-01.TBL
THERMAL DATA
Symbol Parameter Value Unit
R
th (j-a)
Junction-ambient Thermal Resistance Max. 100
RECOMMENDEDOPERATING CHARACTERISTICS
Symbol Parameter Min. Typ. Max. Unit
V
CC
CAGC Capacitance on PinCAGCREC 4.7 nF
RECADJ Record Biasing Resistor 10 33 k
2/7
Power Supply 4.75 5 5.25 V
o
C/W
5742-02.TBL
5742-03.TB L
Page 3
STV5742
ELECTRICAL CHARACTERISTICS
PlaybackMode
= 5V,no loadon PinPBOUT, Recadj = 12kΩ)
(V
CC
=25oC, unless otherwise specified)
(T
amb
Symbol Parameter Test Conditions Min. Typ. Max. Unit
PLAYBACK AMPLIFIER
I
CC1
GPB Playback Gain Sinewave 600kHz,0.4mV
EN Equivalent Voltage Noise
Supply Current 19 29 39 mA
on inputs 58 60 62 dB
PP
Input grounded via I BW = 10kHz
Pin @ 600kHz,
OUT
0.45 0.6
IN EquivalentInput CurrentNoise Input open @ 6MHz, BW = 10kHz 2.5
CRT1 Crosstalk Sinewave @ 4MHz, 0.4mV
PP
-35 -30 dB
RPBSW Playback Switch onResistor @ 6MHz 1 5 10
BWLCF Attenuation @ 100KHz Reference level @ 600kHz -3 0 1 dB
BWHCF Attenuation @ 8MHz Reference level @ 4MHz -3 -1 0 dB
C
Z
Input Capacitance @ 6MHz, 22nF between Vi/Hi 40 50 60 pF
IN
Input Impedance @ 6MHz 300 450 600
IN
ZCPB Output Resistance DC 5 24 50
VDCPB1 DC Levelon PinPBOUT 1.6 2 2.4 V
DVDC Head Switch Offset -0.1 0 0.1 V
SHPB1 2nd Harmonic Sinewave @4MHz, 0.4mV
PP
-45 -40 dB
TRIV FUNCTION
TRIV0 Output Level (1) No input signal 0 0.3 1 V TRIV1 Output Level (2) Sinewave @4MHz, 100mV TRIV4 Output Level (3) Sinewave @4MHz, 400mV TRIV6 Output Level (4) Sinewave @4MHz, 600mV
@ PBOUT 1.3 V
PP
@ PBOUT 2.5 3.1 3.5 V
PP
@ PBOUT 3.2 3.7 4.2 V
PP
TRIV1-TRIV0 0.5 1 - V
nV
Hz
pA
Hz
RecordMode (VCC=5V, Recadj= 12k, SWR = 5V,CAGCREC = 470pF,RRCY =2.2k, RRCC = 8.2kΩ, Load10µH//1kΩ for each simulated head)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
RECORD AMPLIFIER
I
CC2
IHA0 DC Currentthrough I IHA1 Fundamental VRCY = 300mV IHA2 2nd Harmonic VRCY = 300mVPP@ 4MHz -40 -36 dB
IHA2M 2nd Harmonic
BWRECL Attenuationat 100kHz Reference level @ 600kHz, AGC locked -3 0 1 dB
BWRECH Attenuation at 8MHz Reference level @ 4MHz, AGC locked -2 -0.5 1 dB
DVLREC Record AGC Sensitivity V
RIOUT Output Resistance V = 5V 3.5 5.5 - κΩ
RSAT Output Stage Resistance I = 10mA 5 10 50
IRN IRP
SWITCHING LEVELS
VSWINH SWIN Input Threshold Selects head H1, 0 to 5V 1.5 2 2.5 V
VSWINL SWIN Input Threshold Selects headH2, 5 to 0V 1.5 2 2.5 V
ISWINH SWIN Input Leakage Current 5V at SWIN input 5 18 50 µA
ISWINL SWIN Input Leakage Current 0V at SWIN input -50 -25 -5 µA
VSWRCH SWRC Input Threshold Selects recordmode, 0 to 5V 3.2 3.4 3.8 V
Current Supply 55 85 115 mA
OUT
AGC Capacitor downloading Current
AGC Capacitor uploading Current
@ 4MHz 34 36 38 mA
PP
VRCY = 400mV AGC adjusted for IAH1 = 40mA
= 300mVPP±3dB @ f = 4MHz -0.2 0 +0.2 dB
IN
@ 4MHz,
PP
PP
4.5V at CAGC Pin 165 µA
0.5V at CAGC Pin, = 300mVPP@ 4MHz
V
IN
28 38 47.5 mA
-34 -32 dB
-165 µA
PP
5742-04.TBL
3/7
Page 4
STV5742
ELECTRICALCHARACTERISTICS (T
Record Mode
= 5V, Recadj= 12k, SWR = 5V,CAGCREC = 470pF,RRCY = 2.2kΩ,
(V
CC
=25oC, unless otherwisespecified)
amb
RRCC = 8.2kΩ, Load 10µH//1kΩfor each simulatedhead) (continued)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
SWITCHING LEVELS (continued)
VSWRCL SWRC InputThreshold Selects playback mode, 5 to 0V 3.1 3.3 3.8 V
ISWRCH SWRC InputLeakage Current 5V at SWRC input 2 5 8 mA ISWRCL SWRC Input Leakage Current 0V at SWRC input -20 0 20 µA
t
ON
t1 t2 t3 t4
Delay Signal appears on PBOUT 3 ms Delay from playback to record :
Signal disappears on Pin PBOUT Delay from record to playback :
Signal appears on Pin PBOUT Delay from playback to record :
Signal appears on Pin I
OUT
Delay from record to playback : Signal disappears on Pin I
OUT
22nF between Hi/Vi 1 µs 22nF between Hi/Vi 5 ms
25 µs
7 µs
VCSYH CSYN Input Threshold Sampling on (I = -25µA) 2.2 2.5 2.8 V VCSYL CSYN Input Threshold Sampling off (I = 25µA) 2.2 2.5 2.8 V
ICSYH Leakage Current Sampling on -10 µA
ICSYL Leakage Current Sampling off 10 µA
INTERNAL SCHEMATICS Figure1
Figure 2
5742-05.TBL
Figure3
OUT
1I
7 50k
V
CC
3V2
V
CC
2V1
5742-04.EPS
2.7k
V
CC
5742-05.EPS
Figure 4
V
CC
V
CC
C1/C2
Pins 4/8
1k
4/7
5742-06.EPS
5742-07.EPS
Page 5
INTERNAL SCHEMATICS (continued) Figure5
STV5742
Figure 6
Figure7
SWIN
H2
V
CC
36k
5
150k
H1
5742-08.EPS
V
CC
36k 150k
7
5742-09.EPS
Figure 8
V
CC
V
CC
9
V
CC
PBOUT
11
49k
V
CC
63
Figure9
CSYN
13
5742-10.EPS
5742-11.EPS
Figure 10
V
CC
500
V
CC
TRIV
14
V
CC
V
CC
200
5742-12.EPS
5742-13.EPS
5/7
Page 6
STV5742
INTERNAL SCHEMATICS (continued) Figure11
V
CC
Figure 12
V
CC
V
V
CC
CC
RECIN
15
APPLICATION DIAGRAM
CRCC
22nF
RRCC
8.2k
CAGC
22nF
CAGCREC
CRCY 22nF
RRCY
2.2k
RECIN
100k
CAGCREC
5742-14.EPS
16
2k
D1 1N4148
2k
5742-15.EPS
RECC RECY
SW REC SW H CSYN PBOUT
L1 22µH
V
TRIV
14
CSYN
GND2
PBOUT
CC
V
SWIN
9101112131516
C1 22nF
C2 22µF
RADJ 12k
CC
TRIV
S T V 5 7 4
V
CC
2
6/7
R1 1k
C3 22nF
12345678
OUT
I
H1H2
V1
V2
CDC1
22nF
C1
H2
CH1 22nF
GND1
H1
CH2 22nF
C2
CDC2 22nF
5742-03.EPS
Page 7
PACKAGE MECHANICAL DATA
16 PINS - PLASTICMICROPACKAGE(SO)
Dimensions
Min. Typ. Max. Min. Typ. Max.
A 1.75 0.069 a1 0.1 0.25 0.004 0.009 a2 1.6 0.063
b 0.35 0.46 0.014 0.018 b1 0.19 0.25 0.007 0.010
C 0.5 0.020 c1 45
D 9.8 10 0.386 0.394
E 5.8 6.2 0.228 0.244
e 1.27 0.050 e3 8.89 0.350
F 3.8 4.0 0.150 0.157
L 0.4 1.27 0.016 0.050
M 0.62 0.024
S8
Millimeters Inches
o
(typ.)
o
(Max.)
STV5742
PM-SO16N.EPS
SO16N.TBL
Informationfurnished is believed to be accurate and reliable.However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of suchinformation nor for any infringementof patentsor other rightsof third parties whichmay result fromits use.No licenceisgranted by implicationor otherwiseunder anypatent orpatent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all informationpreviously supplied. SGS-THOMSON Microelectronics productsare notauthorized for use as critical components in life support devices or systems without expresswritten approval of SGS-THOMSON Microelectronics.
1997 SGS-THOMSONMicroelectronics - All Rights Reserved
Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips
2
C Patent. Rights to usethese components in a I2C system, is granted provided that the system conforms to
I
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.
2
the I
C Standard Specifications as defined by Philips.
SGS-THOMSON Microelectronics GROUP OF COMPANIES
7/7
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