Datasheet STV5726A Datasheet (SGS Thomson Microelectronics)

Page 1
4-HEAD PLAYBACKAND RECORD AMPLIFIERFOR VCR
.
ONE 5V POWERSUPPLY
.
PLAYBACK/RECORD MODE SELECTION THROUGHA LOGIC INPUT
.
SO20PACKAGE
.
NO ADJUSTMENT FOR LUMINANCE RE­CORDING
PLAYBACK MODE
.
LOW NOISE AND WIDE BAND AMPLIFIERS FOR4 HEADS
.
AUTOMATIC OFFSET CANCELLATION BE­TWEENTHE2 SELECTEDHEADS
.
ONE PLAYBACKOUTPUT
.
ONE OUTPUT FOR AUTOMATIC VIDEO TRACKING
.
SP/LPENVELOPECOMPARATOR
.
SHORT-CIRCUIT SWITCHES ON UNUSED HEADS
RECORDMODE
.
RECORD AGC AMPLIFIER SAMPLED BY SYNCHROSIGNAL
.
RECORDING SIGNAL LEVEL ADJUSTABLE BYEXTERNALRESISTOR
.
SHORT-CIRCUIT SWITCHES ON UNUSED HEADS
SO20
(PlasticPackage)
ORDER CODE :
STV5726A
STV5726A
PIN CONNECTIONS
February 1997
I
OUT
V1 SP V2 SP
H1 SP H2 SP
H2 LP H1 LP
V2 LP
V1 LP
SP
GND1
1 2 3
4 5
6 7 8
9 10
20 19 18
17 16
15 14 13
12 11
RECIN/SWS
TRIV
CSYN GND2
YCPB/SWR
V
CC
SWIN
ENVC
I
LP
OUT
5726A-01.EPS
1/6
Page 2
STV5726A
BLOCKDIAGRAM
CAGCREC
CSYNC
RECIN/SWS
AGC
I LP
OUT
SW-M
V
CC
TRIV
CSYNC
C
IN OUT
FF
CSYN
GND2
YCPB/SWR
LP
CC
V
SWIN
ENVC
OUT
I
11121314151617181920
S T
SW-LP
V 5
I LP
OUT
7 2 6
V
CC
A
SW-SP
12345678910
SP
OUT
I
SWREC-SP
SW1-SP SW1-LPSW2-LPSW2-SP
V1 SP
V2 SP
60dB 60dB 60dB 60dB
H1 SP
H2 SP
GND1
H2 LP
H1 LP
SWREC-LP
V2 LP
V1 LP
ABSOLUTE MAXIMUMRATINGS
Symbol Parameter Value Unit
V
CC
T
T
oper
Power Supply Voltage 6 V Junction Temperature 150
j
Operating Temperature 0, +70
THERMAL DATA
Symbol Parameter Value Unit
R
th (j-a)
Junction-ambient Thermal Resistance Max. 75
RECOMMENDEDOPERATING CHARACTERISTICS
Symbol Parameter Min. Typ. Max. Unit
V
CC
CAGC Capacitance on Pin CAGCREC 4.7 nF
RECADJ Record Biasing Resistor 10 33 k
Power Supply 4.75 5 5.25 V
o
C/W
5726A-02.EPS
o
C
o
C
5726A-01.TBL
5726A-02.TBL
5726A-03.TBL
2/6
Page 3
STV5726A
ELECTRICAL CHARACTERISTICS
PlaybackMode
= 5V,no load on PinYCPB, 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 42 52 62 mA
on inputs 55 57 59 dB
PP
Input grounded via I BW = 10kHz
Pin @ 600kHz,
OUT
0.6
IN Equivalent Input Current Input open @ 6MHz,BW = 10kHz 2
CRT1 Crosstalk (LP SP) Sinewave @4MHz, 0.4mV CRT2 Crosstalk (SP LP) Sinewave @4MHz, 0.4mV
PP PP
-45 -40 dB
-41 -35 dB RPBSW Playback Switch on Resistor @ 6MHz 5 10 15 BWLCF Attenuation @ 100KHz Reference level @ 600kHz -3 -2 1 dB BWHCF Attenuation @ 8MHz Reference level @ 4MHz -3 -1 0 dB
C Z
Input Capacitance @ 6MHz, 22nFbetween Vi/Hi 40 50 60 pF
IN
Input Impedance @ 6MHz 300 450 600
IN
ZCPB Output Resistance DC 5 24 50
VDCPB1 DC Level onPin YCPB 1.6 2 2.4 V
DVDC Head Switch Offset -0.2 0 0.2 V
SHPB1 2nd Harmonic Sinewave @ 4MHz, 0.4mV
PP
-45 -40 dB
RCST Off-resistance on unusedchannel SW-S high 10 15 20
TRIV FUNCTION
TRIV0 Output Level (1) No input signal 0 0.1 1 V TRIV1 Output Level (2) Sinewave @4MHz, 100mV TRIV4 Output Level (3) Sinewave @4MHz, 400mV TRIV6 Output Level (4) Sinewave @4MHz, 600mV
@ YCPB 1.3 V
PP
@ YCPB 2.5 3.1 3.5 V
PP
@ YCPB 3.15 3.65 4.15 V
PP
SP/LP ENVELOPE DETECTOR
R
R
Output Resistance @ ENVC Sinewave 600µVPP@ 4MHz on H1LP
OH
Output Resistance @ ENVC Sinewave 600µVPP@ 4MHz on H2SP
OL
CSYN signal applied
CSYN signal applied
22 k
2k
VENVCH Output Level 4 4.8 5 V
VENVCL Output Level 0 0.1 1 V
SENS1 Sensitivity 100µV SENS2 Sensitivity 100µV
to 600µVPP@ SP input pins 0.1 1 V
PP
to 600µVPP@ LP input pins 4 4.8 V
PP
nV
Hz
pA
Hz
5726A-04.TBL
3/6
Page 4
STV5726A
ELECTRICAL CHARACTERISTICS
RecordMode
=5V, Recadj = 12kΩ, SWR = 5V, CAGCREC= 470pF,RRCY =2.2kΩ,
(V
CC
=25oC, unless otherwise specified (continued)
(T
amb
RRCC = 8.2kΩ, Load 10µH//1kΩ for each simulatedhead)
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 -45 -38 dB BWRECL Attenuation at 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 800
RSAT Output StageResistance I = 10mA
IRN AGC Capacitor downloading
IRP AGC Capacitor uploading
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 5V atSWIN input 0.5 µA
ISWINL SWIN Input Leakage Current 0V atSWIN input -0.2 µA VSWRCH SWRC Input Threshold Selects record mode, 0 to 5V 3.2 3.4 3.8 V VSWRCL SWRC Input Threshold Selects playbackmode, 5 to 0V 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 at SWRC input -20 0 20 µA
t
ON
t1 Delay from playbackto record :
t2 Delay from recordto playback :
t3 Delay from playbackto record :
t4 Delay from recordto playback :
VCSYH CSYN Input Threshold Sampling on,0 to 5V 2.0 2.7 3.2 V
VCSYL CSYN Input Threshold Sampling off,5 to 0V 2.0 2.6 3.1 V
ICSYH Leakage Current 5V at CSYN Pin, Sampling on -10 0 10 µA
ICSYL Leakage Current 0V at CSYN Pin, Sampling off -50 -16 -5 µA
VSWST SWS Input Threshold Voltage value at RECIN/SWS Pin 3 3.5 V
ISWSH SWS Input Leakage Current 5V atSWS Input 130 µA
ISWSL SWS Input Leakage Current 0V atSWS Input -20 0 20 µA
Current Supply 70 85 100 mA
OUT
@ 4MHz 20 23 26 mA
PP
= 300mVPP±3dB @f = 4MHz -1 0 +1 dB
IN
21 27 34 mA
4.5V at CAGC Pin 160 µA
Current
Current
0.5V at CAGC Pin, = 300mVPP@ 4MHz
V
IN
-165 µA
Delay Signal appears on YCPB 1.6 ms
22nF between Hi/Vi 1 µs
Signal disappears on Pin YCPB
1.9 ms
Signal appears on Pin YCPB
VRCY = 300mVPP@ 4MHz 2 ms
Signal appears on Pin I
OUT
10 µs
Signal disappears on Pin I
OUT
PP
5726A-05.TBL
4/6
Page 5
APPLICATIONDIAGRAM
C4
22nF
R2 1k
I
SP
OUT
V1 SP
H2 SP
H2 LP
H1 SP
CH1S
22nF
CH2S
22nF
CH2L
22nF
CH1L
22nF
H1 LP
V2 SP
H1 SP
H2 SP
GND1
H2 LP
H1 LP
V2 LP
V1 LP
SW-SP
1
CSYNC
V
2
SW1-SP
3
SW2-SP
4
5
60dB
60dB
SWREC-SP
CC
AGC
SW-M
ILP
OUT
IN
C
FF
OUT
CSYNC
6
7
8
9
SW2-LP
60dB
60dB
SWREC-LP
V
CC
LP
I
OUT
10 11
SW1-LP
SW-LP
STV5726A
CAGCREC
20
19
RECIN/SWS
TRIV
18
CSYN
17
GND2
16
YCPB/SWR
15
V
14
SWIN
13
ENVC
12
I
OUT
CC
22nF
LP
C1
R1
1k
CAGC 22nF
RADJ 12k
C3
22nF
1N4148
RRCC
8.2k
RRCY
2.2k
1N4148
RSWM
8.2k
RSWH
22k
C2 22µF
CRCC
22nF
CRCY
22nF
L1 22µH
STV5726A
SWS
CREC
YREC
TRIV
CSYN
SWR
YCPB
SWM
SWH
ENVC
V
CC
5726A-03.EPS
SWITCHTABLE
SW-R SW-M SW-S SW-H Channel
L
L
L
H
L
H
H
L
H
L
H
Note : 1. The recording current can be set different for each of the four heads. To perform it the ENVC output iseither at low level or high
impedance according to the selected head or mode. Then two external resistors with adequate value have to be connected respectively between the ENVC and TRIV and SWM and TRIV, playing so that on the equivalent value of theRADJ resistor.
L 2-SP
H 1-SP
L 1-LP
H 2-LP
L 2-SP
H 1-SP
L 1-LP
H 2-LP
L
H High Impedance (1)
L
H 0V (1)
SW1-SP SW2-SP
SP OFF ON OFF ON ON OFF
LP ON OFF ON OFF OFF ON
SW1-LP SW2-LP
OFF OFF
OFF ON
ON OFF
SW-SP SW-LP SWREC-SP SWREC-LP ENVC (SPLP)
ON ON OFF OFF
High IF LP > SP
Low IF LP < SP
0V (1)
High Impedance (1)
5/6
5726A-06.TBL
Page 6
STV5726A
PACKAGE MECHANICAL DATA
20 PINS - PLASTICMICROPACKAGE (SO)
Dimensions
Min. Typ. Max. Min. Typ. Max.
A 2.65 0.104 a1 0.1 0.3 0.004 0.012 a2 2.45 0.096
b 0.35 0.49 0.014 0.019 b1 0.23 0.32 0.009 0.013
C 0.5 0.020 c1 45
D 12.6 13.0 0.496 0.512
E 10 10.65 0.394 0.419
e 1.27 0.050 e3 11.43 0.450
F 7.4 7.6 0.291 0.299
L 0.5 1.27 0.020 0.050
M 0.75 0.030
S8
Millimeters Inches
o
(typ.)
o
(Max.)
PM-SO20.EPS
SO20.TBL
Informationfurnishedis believed to be accurate and reliable.However, SGS-THOMSON Microelectronics assumes no responsibility for the consequencesof use of suchinformation nor for any infringement of patents or other rights of third parties which may result fromits use. No licenceis granted 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 informationpreviouslysupplied. SGS-THOMSON Microelectronicsproductsare not authorized for use as critical components in life support devices or systems without expresswritten approval of SGS-THOMSONMicroelectronics.
1997 SGS-THOMSON Microelectronics - AllRights Reserved
Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a licenseunder the Philips
2
C Patent. Rights to use these 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
6/6
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