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PDF LA75695VA Data sheet ( Hoja de datos )
| Número de pieza | LA75695VA | |
| Descripción | IF Signal Processing | |
| Fabricantes | Sanyo Semicon Device | |
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Ordering number : EN7637
LA75695VA
Monolithic Linear IC
For Use in TV/VTR Applications
IF Signal Processing
(VIF+SIF+SIF converter)
Overview
The LA75695VA is a NTSC Support VIF/SIF signal-processing IC that makes the minimum number of adjustments
possible. The system is designed so that VCO adjustment makes AFT adjustment unnecessary, thus simplifying the
adjustment steps in endproduct manufacturing. PLL detection is adopted in the FM detector, allowing the LA75695VA
to support multichannel detection for the audio signal. In addition, it also incorporates a buzz canceller that suppresses
Nyquist buzz for improved audio quality.
Functions
• VIF Block: VIF Amplifier, Buzz Canceller, PLL Detector, IF AGC, RF AGC, AFT, Equalizer Amplifier
• 1st SIF Block: 1st SIF Amplifier, 1st SIF Detector
• SIF Block: Limiter Amplifier, PLL-FM Detector
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Maximum supply voltage
Circuit voltage
Circuit current
Allowable power dissipation
VCC1 max
VCC2 max
V13, V17
I6
I10
I24
Pd max
Ta ≤ 70°C, Mounted on a board. *
Operating temperature
Topr
Storage temperature
Tstg
∗ When mounted on a 114.3×76.1×1.6mm3, glass epoxy circuit board.
Ratings
6
12
VCC
-3
-10
-2
600
-20 to +75
-55 to +150
Unit
V
V
V
mA
mA
mA
mW
°C
°C
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.
N2206 / 42606 MS OT B8-8172 No.7637-1/13
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
LA75695VA
Block Diagram and AC Characteristics Test Circuit
No.7637-5/13
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
LA75695VA
S5. SIF S/N [S/N (FM)]
(1) External AGC (V17 = VCC)
(2) fs = 4.5MHz NO MOD Vi = 100mVrms
(3) Measure the output level at test point D. ····· Vn
(4) S/N (FM) = 20log VO (FM) dB
Vn
C2. SIF converter maximum output level [V max]
(1) Internal AGC
(2) fp = 45.75MHz CW; 10mV (VIF input)
fs = 41.25MHz CW; 10mV (1st SIF input)
(3) Measure the 4.5MHz component at test point E (MIX output). ····· V max (dBµV)
Note 1) Unless otherwise specified for VIF test, apply the VCC voltage to the IF AGC and adjust the VCO coil so that
oscillation occurs at 45.75MHz.
2) Unless otherwise specified, the SW1 must be ON.
Sample Application Circuit
* When using a 5V common power supply for VCC1 and VCC2, connect an L (= 10µH) across pins 4 to 5,
and disconnect C (100µF and 0.01µF) from pin 4.
No.7637-11/13
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
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| PDF Descargar | [ Datasheet LA75695VA.PDF ] | |
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