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TEA5570

Features: Simple d.c. switching for AM to FM by only one d.c. contact to ground (no switch contacts in the i.f. channel, a.f. or level detector outputs) AM and FM gain control Low current consumption (Itot = 6 mA) Low voltage operation (VP = 2,7 to 9 V) Ability to handle large AM signals; good i....

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SeekIC No. : 004517340 Detail

TEA5570: Features: Simple d.c. switching for AM to FM by only one d.c. contact to ground (no switch contacts in the i.f. channel, a.f. or level detector outputs) AM and FM gain control Low current consumpti...

TEA5570 Data Sheet

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Part Number:
TEA5570
Supply Ability:
5000

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

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Product Details

Description



Features:

Simple d.c. switching for AM to FM by only one d.c. contact to ground (no switch contacts in the i.f. channel, a.f. or level detector outputs)
AM and FM gain control
Low current consumption (Itot = 6 mA)
Low voltage operation (VP = 2,7 to 9 V)
Ability to handle large AM signals; good i.f. suppression
Applicable for inductive, capacitive and diode tuning
Double smoothing of a.g.c. line
Short-wave range up to 30 MHz
Lumped or distributed i.f. selectivity with coil and/or ceramic filters
AM and a.g.c. output voltage control
Distribution of PCB wiring provides good frequency stability
Economic design for 'AM only' receivers.


Specifications

Supply voltage (pin 7)                                                       VP = V 7-16    max. 12 V
Voltage at pins 4, 5, 9 and 10 to pin 16 (ground)             V n-16            max. 12 V
Voltage range at pin 8                                                       V 8-16           VP ± 0,5 V
Current into pin 5                                                               I5                 max. 3 mA
Total power dissipation                                                      Ptot                see Fig.2
Storage temperature range                                               Tstg      -55 to + 150 °C
Operating ambient temperature range                              Tamb      -30 to + 85 °C


Description

The TEA5570 is a monolithic integrated radio circuit for use in portable receivers and clock radios. The IC is also applicable to mains-fed AM and AM/FM receivers and car radio-receivers. Apart from the AM/FM switch function the IC incorporates for AM a double balanced mixer, 'one-pin' oscillator, i.f. amplifier with a.g.c. and detector, and a level detector for tuning indication. The FM circuitry comprises i.f. stages with a symmetrical limiter for a ratio detector. A level detector for mono/stereo switch information and/or indication complete the FM part.




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