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U4488B

Features: · 5-V supply voltage; low power consumption· Gain-controlled 3-stage wideband IF amplifier· Active carrier generation by FPLL principle (frequency-phase-locked-loop) for true quadrature demodulation· Complete alignment-free AM demodulator· Switchable amplitude detector for gain control, ...

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SeekIC No. : 004534914 Detail

U4488B: Features: · 5-V supply voltage; low power consumption· Gain-controlled 3-stage wideband IF amplifier· Active carrier generation by FPLL principle (frequency-phase-locked-loop) for true quadrature de...

U4488B Data Sheet

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Part Number:
U4488B
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

 · 5-V supply voltage; low power consumption
 · Gain-controlled 3-stage wideband IF amplifier
 · Active carrier generation by FPLL principle (frequency-phase-locked-loop) for true quadrature demodulation
 · Complete alignment-free AM demodulator
 · Switchable amplitude detector for gain control, which operates as a peak detector for FM sound and as a mean level detector for AM sound
 · Two symmetrical IF inputs




Pinout

Connection Diagram


Specifications

Reference point Pin 13, unless otherwise specified
Parameters
Symbol
Value
Unit
Supply voltage range Pin14
VS
4.5to9.0
V
Supply current Pin14
IS
55
mA
Power dissipation (VS=9V)
P
500
mW
Output currents Pins6 and 12
Iout
5
mA
External voltages Pins1,2,3,4,6,12,15and16
Pins5,8 and 9
Pins7,10 and 11
Vext
+4.5
V
+3.5
V
VS
V
Junction temperature
Tj
+125
Operating temperature
Tamb
0to+85
Storage temperature
Tstg
25 to +125
Electrostatic handling* all pins
VESD
±300
V
Equivalent to discharging a 200-pF capacitor through a 0- resistor


Description

The U4488B is an integrated bipolar circuit for full multistandard sound IF signal processing in TV/VTR and Multimedia applications. It supplies AM signals as well as FM/NICAM sound IF signals and thus allows the deThe U4488B is an integrated bipolar circuit for full multistandard sound IF signal processing in TV/VTR and Multimedia applications. It supplies AM signals as well as FM/NICAM sound IF signals and thus allows the design of a universal sound IF module for various applications. The U4488B has the same performance like the U4468B, with the additional feature of a second symmetrical IF input.




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