DatasheetsPDF.com

LA7780M

Sanyo
Part Number LA7780M
Manufacturer Sanyo
Description QPSK Downconverter
Published Apr 25, 2005
Detailed Description Ordering number : EN5268A Monolithic Linear IC LA7780M QPSK Downconverter for CATV Systems Overview The LA7780M is a ...
Datasheet PDF File LA7780M PDF File

LA7780M
LA7780M

Overview
Ordering number : EN5268A Monolithic Linear IC LA7780M QPSK Downconverter for CATV Systems Overview The LA7780M is a downconverter for QPSK data demodulation for digital CATV transmission.
This IC integrates a preamplifier, an AGC amplifier, a mixer, an oscillator, a post-amplifier, and other circuits in a single chip, and provides all the functions required from cable signal input through output to the A/D converter.
Functions • • • • • • • Preamplifier AGC amplifier Mixer Oscillator Post amplifier IF AGC (internal/external) AGC detector Features • Since a preamplifier is built in, the LA7780M has adequate sensitivity to handle the input signal from the cable directly.
(Input signal level:–30 to +30 dBm) • Both internal and external AGC are supported as the AGC amplifier drive technique.
• The output amplitude of the post amplifier used to drive the A/D converter is 2 Vp-p (typical).
• Applications can be designed to use either a crystal or an inductor oscillator.
Package Dimensions unit: mm 3108-MFP24D [LA7780M] 24 13 0.
25 0.
4 Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Circuit voltage Symbol VCC max V max I4 Circuit current I13 I16 Allowable power dissipation Operating temperature Storage temperature Pd max Topr Tstg Pins 5, 6, and 17 Pins 4, 12, and 24 The pin 4 output current The pin 13 sink current The pin 16 sink current Ta ≤ 70°C Conditions 1.
27 0.
1 2.
25 0.
67 SANYO: MFP24D Ratings 7.
0 VCC 30 2 2 540 –20 to +70 –55 to +150 0.
625 1 1 2 15.
3 2.
55max 9.
2 10.
5 7.
9 Unit V V mA mA mA mW °C °C Any and all SANYO 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 representative nearest you before using any SANYO products des...


Similar Datasheet


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site. (Privacy Policy & Contact)