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Signal Circuits / PLL or Frequency Synthesis Circuits / TDA7427D
Datasheets
TDA7427D by: STMicroelectronics

PLL FREQUENCY SYNTHESIZER, 200MHz, PDSO20, SO-20

Part Details for TDA7427D by STMicroelectronics

Results Overview of TDA7427D by STMicroelectronics

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Applications Education and Research Industrial Automation Electronic Manufacturing

TDA7427D Information

TDA7427D by STMicroelectronics is a PLL or Frequency Synthesis Circuit.
PLL or Frequency Synthesis Circuits are under the broader part category of Signal Circuits.

A signal is an electronic means of transmitting information, either as an analog signal with continuous values or a digital signal with discrete values. Signals are used in various systems and networks. Read more about Signal Circuits on our Signal Circuits part category page.

Part Details for TDA7427D

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TDA7427D Part Data Attributes

Parametric Data
TDA7427D STMicroelectronics
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TDA7427D STMicroelectronics PLL FREQUENCY SYNTHESIZER, 200MHz, PDSO20, SO-20
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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer STMICROELECTRONICS
Part Package Code SOIC
Package Description SO-20
Pin Count 20
Reach Compliance Code not_compliant
HTS Code 8542.39.00.01
Additional Feature ALSO REQUIRES A 10V NOMINAL SUPPLY
Analog IC - Other Type PLL FREQUENCY SYNTHESIZER
JESD-30 Code R-PDSO-G20
JESD-609 Code e4
Length 12.8 mm
Number of Functions 1
Number of Terminals 20
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Qualification Status Not Qualified
Seated Height-Max 2.65 mm
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 4.5 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Temperature Grade INDUSTRIAL
Terminal Finish NICKEL PALLADIUM GOLD
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Width 7.5 mm

TDA7427D Related Parts

TDA7427D Frequently Asked Questions (FAQ)

  • STMicroelectronics provides a recommended PCB layout in the application note AN2863, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).

  • The choice of external components such as resistors, capacitors, and inductors depends on the specific application and requirements. STMicroelectronics provides a component selection guide in the application note AN2863, which includes recommendations for component values and types based on the device's operating conditions and performance requirements.

  • The maximum power dissipation of the TDA7427D is dependent on the operating conditions, such as supply voltage, output current, and ambient temperature. According to the datasheet, the maximum power dissipation is 1.5 W, but this can be derated based on the thermal resistance of the package and the PCB. It's recommended to perform thermal simulations and calculations to determine the maximum power dissipation for a specific application.

  • The TDA7427D has a built-in overcurrent protection feature that can be enabled by connecting the OCP pin to a resistor and capacitor network. The application note AN2863 provides a detailed example of how to implement overcurrent protection, including the calculation of the OCP threshold and the selection of the external components.

  • The recommended startup sequence for the TDA7427D is to first apply the supply voltage (VCC) and then the input signal (VIN). This ensures that the device is properly biased and configured before the input signal is applied. The application note AN2863 provides a detailed description of the startup sequence and the recommended timing diagrams.