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PDF LA71582M Data sheet ( Hoja de datos )
| Número de pieza | LA71582M | |
| Descripción | Video Audio Signal Processor | |
| Fabricantes | Sanyo | |
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Ordering number : ENA0221
LA71582M
Monolithic Linear IC
For VHS VCR
Video Audio Signal Processor
(Y/C/A/HA 1chip)
Overview
The LA71582M is a signal processing IC for VHS VCRs. In addition to conventional video signal processing, it also
features normal audio processing, as well as recording/playback FM-EQ functions on-chip. Together with the CCD chip, it
is configured as a single package consisting of two chips.
This device eliminates the various adjustments that are usually performed by trimming inside the chip: by incorporating
automatic adjustments for the comb filter as well, it is completely adjustment-free. This has made it possible to reduce
significantly the number of externally attached components, simplify the design around the signal processing, and cut
production costs.
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Maximum supply voltage
Allowable power dissipation
VCC
Pd max
Pins 40, 16, 58, 87, 75
Ta≤65°C *
Operating temperature
Topr
Storage temperature
Tstg
* Mounted on a board 70× 70×1.63mm phenol resin laminates.
Ratings
7.0
1400
-10 to +65
-40 to +150
Unit
V
mW
°C
°C
Recommended Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Allowable operating voltage range
Symbol
VCC
VCC opg
Conditions
Pins 40, 16, 58, 87, 75
Pins 40, 16, 58, 87, 75
Ratings
5.0
4.8 to 5.2
Unit
V
V
■ Any and all SANYO Semiconductor products described or contained herein do not have specifications
that can handle applications that require extremely high levels of reliability, such as life-support systems,
aircraft’s control systems, or other applications whose failure can be reasonably expected to result in
serious physical and/or material damage. Consult with your SANYO Semiconductor representative
nearest you before using any SANYO Semiconductor products described or contained herein in such
applications.
■ SANYO Semiconductor assumes no responsibility for equipment failures that result from using products
at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor
products described or contained herein.
D1306 MS OT B8-6172 No.A0221-1/38
Free Datasheet http://www.datasheet4u.com/
1 page  
LA71582M
Continued from preceding page.
Parameter
Symbol
In Out
Conditions
Sync separator output
pulse width
H-Sync output level
H-Sync output
pulse width
Sync tip level
Pedestal level
white level
Quasi-V insertion
level
Quasi-H insertion level
White insertion level
Edge insertion level
4V regulator
PWSYP
VHSYP
PWHSYP
LVOR
∆VDP
∆HDP
∆WHP
∆EGP
VREG
T20A
T20A
T20A
T20A
T20A
T20A
T20A
T20A
T28 With VIN a 0.5Vp-p video signal, measure the output
pulse width on T28.
T27 With VIN 0.5Vp-p video signal, measure the output
pulse wave height on T27.
T27 With VIN a 0.5Vp-p video signal, measure the output
pulse width on T27.
T29 With VIN a 100% white 0.5 Vp-p signal, measure the
sync tip and pedestal and white levels on T29 video
output, and take these as LSYN LPED LWHT,
respectively.
T29 Measure the T29 DC voltage with 4.7V applied to
T26, and take this to be LVDP, and compute the
difference with LSYN measured above.
∆VDP = LSYN-LVDP
T29 Measure the T29 DC voltage with 3.6V applied to
T26, and take this to be LHDP, and compute the
difference with LPED measured above.
∆HDP = LPED-LHDP
T29 Measure the T29 DC voltage with 2.6V applied to
T26,and take this to be LWHP, and compute the
difference with LWHT measured
∆WHP = LWHT-LWHP
T29 Measure the T29 DC voltage with 1.5V applied to
T26,and take this to be LEGP, and compute the
difference with LPED measured
∆WHP = LPED-LEGP
T39 Measure the T39 DC level.
min
4.35
Ratings
typ
4.65
4.0 4.2
5.0
0
-100
-1450
-100
3.9 4.0
max
4.95
Unit
µs
4.4 Vp-p
µs
mV
mV
mV
mV
4.1 V
REC Mode EQ
Parameter
REC EQ
characteristics 1
REC EQ
characteristics 2
REC EQ
2’nd distortion
REC EQ
characteristics 3
Symbol
GREQ1
GREQ2
HREQ
GREQ3
In Out
Conditions
T17A T12
T17A T12
T17A T12
T17A T12
With VIN a CW 2MHz, 300mVp-p signal, measure the
input/output response.
With VIN a CW 4MHz, 300mVp-p signal, measure the
input/output response, and take the difference with
GREQ1.
Measure the second harmonic in the above
conditions.
With VIN a CW 750kHz, 400mVp-p signal, measure
the input/output response.
min
Ratings
Unit
typ max
-4.5 dB
-2.7 dB
-40 -35 dB
-20 dB
PB Mode EQ
Parameter
PB EQ
characteristics 1
*Serial-control
PB EQ
2’nd distortion
PB EQ Low-Trap
characteristics 1
*Serial control
Symbol
GPEQ1
In Out
Conditions
T74 T18 With VIN a CW 4MHz 300mVp-p signal, measure the
input/output response.
min
1.5
Ratings
typ
3.0
max
4.5
Unit
dB
HPEQ
T74 T18 Measure the second harmonic in the above condition.
-40 -30 dB
FPEQ1
T74 T18 VIN =300mVp-p
Measure the Low-band Trap frequency and gain.
(Using network analyzer)
Serial
00 (650k)
01 (800k)
10 (1.1M)
11 (500k)
dB
-25
-25
-25
-25
Continued on next page.
No.A0221-5/38
Free Datasheet http://www.datasheet4u.com/
5 Page 
LA71582M
CCD Block
Recommended Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Clock input Voltage
Clock input frequency
Chrominance signal
Input Voltage
Luminance signal
Input Voltage
VCLK
VIN-C
VIN-Y
min
300
Ratings
typ
500
3.579545
350
max
1000
500
Unit
mVp-p
MHz
mVp-p
400 572 mVp-p
Control Pin (pin 44, pin 56)
Pin44 CCD-M-CTL
Pin56 CCD-NT-CTL
Low
Low
High
High
Low
High
Low
High
System
PAL/GBIN
PAL/M
NTSC/M
Chrominance signal
delay time (CCD bits)
2H (1833.5)+0H (1.5)
2H (1821.5)+0H (1.5)
1H (911.5)+0H (1.5)
Luminance signal
delay time (CCD bits)
1H (913)
1H (907)
1H (907)
Control Voltage
Low/High
Symbol
Min
Typ
Max
Unit
Low
VL
-0.3 0.0
0.7
V
High
VH 2.0 5.0 VCC V
Description of the 4FSC Pin
No.A0221-11/38
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
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