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PDF LA77000V Data sheet ( Hoja de datos )
| Número de pieza | LA77000V | |
| Descripción | VHF Band RF Modulator | |
| Fabricantes | Sanyo Semiconductor | |
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Ordering number : ENN7875B
LA77000V
Monolithic Linear IC
VHF Band RF Modulator
(US3, 4ch Compatible)
Overview
The LA77000V is a VHF band RF module that supports US3, 4ch Compatible.
Functions
• RF VCO (AGC).
• RF Mixer.
• RF Buffer.
• Video clamp.
• White clipping.
• Audio FM.
• 4V regulator.
• Reference OSC.
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Maximum supply rating
Allowable power dissipation
VCC max
Pd max
Ta ≤ 75°C
Operating temperature
Topr
Storage temperature
Tstg
* Mounted to the glass epoxy resin made board (114.3mm×76.1mm×1.6mm)
Operating Conditions at Ta = 25°C
Parameter
Recommended operating voltage
Operating voltage range
Symbol
VCC
VCC op
Conditions
Ratings
7.0
350*
-20 to +75
-55 to +150
Unit
V
mW
°C
°C
Ratings
5.0
4.5 to 5.5
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.
N2206 / 91405 MS OT B8-7276 No.7875-1/8
1 page  
Continued from preceding page.
Pin
Symbol Voltage
No.
7 IN XTAL 3.5
LA77000V
Circuit
5PF 100Ω
500Ω
7
Remarks
4MHz oscillator inserted between the circuit and GND.
External input of the 4MHz signal possible. Insertion of
about 270kΩ resistor between the circuit and GND
ensurescompatibility with 3.58MHz of VTR chroma
sub-carrier.
Insertion of about 270kΩ resistor between the circuit and
VCC ensurescompatibility with 27MHz of D-STB reference.
8 CH 1.7
33kΩ
8
17kΩ
5kΩ
CH selector pin
US3: 4.2V or more
US4: 2.7V to 3.8V
9 PLL 0
GND
10 RF GND 0
11 VCC2 5.0
12 RF LPF 2.6
1kΩ
1kΩ 2kΩ
12
2.8V
PLL type GND
RF type GND
RF VCO type VCC
Control pin of output RF oscillator for the PLL phase
detector charge pump.
2.2V
Continued on next page.
No. 7875-5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet LA77000V.PDF ] | |
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