TDA74218, TDA7421N ST, TDA7427 Selling Leads, Datasheet
MFG:ST Package Cooled:QFP64 D/C:.
TDA74218, TDA7421N ST, TDA7427 Datasheet download
Part Number: TDA74218
MFG: ST
Package Cooled: QFP64
D/C: .
TDA74218, TDA7421N ST, TDA7427
- Table of contents:
Info of TDA74218
Info of TDA7421N ST
Info of TDA7427
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About TDA 4601
PDF/DataSheet Download
Datasheet: TDA 4601
File Size: 1417404 KB
Manufacturer:
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About TDA 4601
PDF/DataSheet Download
Datasheet: TDA 4601
File Size: 1417404 KB
Manufacturer:
Download : Click here to Download
About TDA7427
PDF/DataSheet Download
Datasheet: TDA7427
File Size: 147609 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
TDA7427 General Description
The TDA7427 is a PLL frequency synthesizer with an additional IF counting system that performs all the functions needed in a complete PLL radio tuning system for conventional and high speed RDS tuners. The device has dedicated outputs for IN-LOCK detection and Search/Stop station.
TDA7427 Maximum Ratings
| Symbol | Parameter | Value | Unit |
| VDD1 | Supply Voltage | - 0.3 to + 7 | V |
| VDD2 | Supply Voltage | - 0.3 to + 11 | V |
| Ptot | Total Power Dissipation | 300 | mW |
| Tstg | Storage Temperature | 55 to + 150 | |
| Tamb | Ambient Temperature | -40 to + 85 |
TDA7427 Features
*ON-CHIP REFERENCE OSCILLATOR AND
PROGRAMMABLE IF COUNTER
*VHF INPUT AND PRECOUNTER FOR FRE-
QUENCIES UP TO 290MHz (SUITABLE FOR
DAB APPLICATION)
*HF INPUT FOR FREQUENCIES UP TO
64MHz (SHORTWAVE BAND)
*IN-LOCK DETECTOR FOR SEARCH/STOP
STATION FUNCTION
STAND-BY MODE FOR LOW POWER CON-
SUMPTION
*HIGH CURRENT SOURCE FOR 0.5ms
LOCK-IN TIME
*DIGITAL PORT EXTENSION WITH TWO
OUTPUTS FOR FLEXIBILITY IN APPLICA-
TION
*FULLY PROGRAMMABLE BY I 2 C BUS
PROGRAMMABLE IF COUNTER
*VHF INPUT AND PRECOUNTER FOR FRE-
QUENCIES UP TO 290MHz (SUITABLE FOR
DAB APPLICATION)
*HF INPUT FOR FREQUENCIES UP TO
64MHz (SHORTWAVE BAND)
*IN-LOCK DETECTOR FOR SEARCH/STOP
STATION FUNCTION
STAND-BY MODE FOR LOW POWER CON-
SUMPTION
*HIGH CURRENT SOURCE FOR 0.5ms
LOCK-IN TIME
*DIGITAL PORT EXTENSION WITH TWO
OUTPUTS FOR FLEXIBILITY IN APPLICA-
TION
*FULLY PROGRAMMABLE BY I 2 C BUS
TDA7427 Connection Diagram
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