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TDA5631

Features: · Balanced mixer with a common emitter input for band A (single input)· 2-pin oscillator for bands A and B· Balanced mixer with a common base input for bands B and C (balanced input)· 3-pin oscillator for band C· Local oscillator buffer output for external synthesizer· SAW filter preampl...

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SeekIC No. : 004516445 Detail

TDA5631: Features: · Balanced mixer with a common emitter input for band A (single input)· 2-pin oscillator for bands A and B· Balanced mixer with a common base input for bands B and C (balanced input)· 3-pi...

TDA5631 Data Sheet

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Part Number:
TDA5631
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Balanced mixer with a common emitter input for band A (single input)
· 2-pin oscillator for bands A and B
· Balanced mixer with a common base input for bands B and C (balanced input)
· 3-pin oscillator for band C
· Local oscillator buffer output for external synthesizer
· SAW filter preamplifier with a low output impedance to drive the SAW filter directly
· Band gap voltage stabilizer for oscillator stability
· Electronic band switch.


Application

· 3-band all channel TV and VCR tuners
· Any standard.


Pinout

Connection Diagram




Specifications

SYMBOL PARAMETER MIN. MAX. UNIT
VP supply voltage -0.3 +10.5 V
VSW switching voltage 0 10.5 V
IO output current of each pin to ground - -10 mA
tsc(max) maximum short-circuit time (all pins) - 10 s
Tstg IC storage temperature 55 +150 °C
Tamb operating ambient temperature -10 +80 °C
Tj junction temperature - +150 °C



Description

The TDA5630 and TDA5631 are monolithic integrated circuits that perform the mixer/oscillator functions for bands A, B and C in TV and VCR tuners. These low-power mixer/oscillators of TDA5630 and TDA5631 require a power supply of 9 V and are available in a very small package.

The TDA5630 and TDA5631 give the designer the capability to design an economical and physically small 3-band tuner.

TDA5630 and TDA5631 are suitable for European standards, as illustrated in Fig.12, with the following RF bands: 48.25 to 168.25 MHz, 175.25 to 447.25 MHz and 455.25 to 855.25 MHz. With an appropriate tuned circuit, TDA5630 and TDA5631 are also suitable for NTSC all channel tuners (USA and Japan).

The tuner development time of TDA5630 and TDA5631 can be drastically reduced by using these devices.




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