LC785, LC7851, LC7851E Selling Leads, Datasheet
MFG:162 Package Cooled:SANYO D/C:DIP-30
LC785, LC7851, LC7851E Datasheet download
Part Number: LC785
MFG: 162
Package Cooled: SANYO
D/C: DIP-30
LC785, LC7851, LC7851E
- Table of contents:
Info of LC785
Info of LC7851
Info of LC7851E
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About LC7851
PDF/DataSheet Download
Datasheet: LC7851
File Size: 170056 KB
Manufacturer: SANYO [Sanyo Semicon Device]
Download : Click here to Download
About LC7851
PDF/DataSheet Download
Datasheet: LC7851
File Size: 170056 KB
Manufacturer: SANYO [Sanyo Semicon Device]
Download : Click here to Download
About LC7851E
PDF/DataSheet Download
Datasheet: LC7851E
File Size: 170056 KB
Manufacturer: SANYO [Sanyo Semicon Device]
Download : Click here to Download
LC7851E General Description
The LC7851E demodulates the QPSK (quadrature phase shift keying) modulated audio data broadcast by the Japanese BS and CS broadcast satellites and converts that data to an analog audio signal. This IC integrates on a single chip the audio system signal processing required for BS and CS receivers from QPSK demodulation to analog audio reproduction. The main functions provided by the LC7851E include QPSK demodulation, differential decoding conversion, descrambling, deinterleaving, and error correction. It also generates a PCM audio signal. The PCM audio signal is converted to an analog audio signal by on-chip digital filters and A/D converters.
LC7851E Maximum Ratings
|
Parameter |
Symbol |
Conditions |
Ratings |
Unit |
| Supply voltage |
VDD |
0.3 to +7.0 |
V | |
| Input voltage |
VI1 |
Pins other than SCL and SDA |
0.3 to VDD +0.3 |
V |
|
VI2 |
SCL and SDA |
0.3 to +5.3 |
V | |
| Output voltage |
VO |
LN21, CPDT, O/E/CFOUT, HS/CFIN |
0.3 to VDD +0.3 |
V |
| Allowable power dissipation |
Pd max |
Ta = 20 to +75°C |
360 |
mW |
| Operating temperature |
Topr |
-20to+75 |
°C | |
| Storage temperature |
Tstg |
-40to+125 |
°C |
LC7851E Features
• QPSK demodulator, PCM decoder, digital filters, D/A converters, and operational amplifiers integrated on a single chip.
• The number of required external components has been reduced and adjustment-free operation achieved in the QPSK demodulator by implementing that block as a digital circuit on a single chip.
• CPU interface using an I2C bus
• Interface circuits for CORTEC and SkyPort descramblers
LC7851E Connection Diagram
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