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TA2022AFNG

Toshiba Semiconductor
Part Number TA2022AFNG
Manufacturer Toshiba Semiconductor
Description 1.5V AM/FM IF MPX
Published May 22, 2008
Detailed Description TA2022AFNG TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2022AFNG 1.5V AM/FM IF + MPX TA2022AFNG is th...
Datasheet PDF File TA2022AFNG PDF File

TA2022AFNG
TA2022AFNG


Overview
TA2022AFNG TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2022AFNG 1.
5V AM/FM IF + MPX TA2022AFNG is the AM / FM IF + MPX system IC, which is developed for headphone radio in 1.
5V use.
This is included many functions and this can be used for digital tuning system with IF counter.
www.
DataSheet4U.
com Features • Suitable for combination with digital tuning system which is included IF counter.
• Built−in AM / FM IF count output for IF counter of digital tuning system.
FM: 10.
7MHz AM: 450kHz • Adjustable for stop pulse sensitivity (in FM mode) • • For adopting ceramic discriminator, it is not necessary to adjust the FM QUAD detector circuit.
Built−in AM IF output for AM stereo MPX input for main signal is independent of that for pilot signal.
(MPX input for pilot signal is shared with AM input) MPX output is high−impedance in power off mode.
Built−in power switch Low supply current (VCC = 1.
2V, Ta = 25°C) FM mode: ICC2 = 5.
5mA (typ.
) AM mode: ICC3 = 3.
7mA (typ.
) Operating supply voltage range (Ta = 25°C) VCC (opr) = 0.
95~2.
2V Stereo operating supply voltage range (Ta = 25°C) VCC (opr) = 1.
0~2.
2V Weight: 0.
14 g (typ.
) • • • • • • 1 2006-04-11 TA2022AFNG www.
DataSheet4U.
com 2 2006-04-11 TA2022AFNG Terminal Explanation Terminal Voltage: Typical Terminal Voltage at no Signal with The Test Circuit 1 (VCC = 1.
2V, Ta = 25°C) Terminal No.
Name Terminal Voltage (V) AM FM Function Internal Circuit 1 VREF Referential voltage Bypass terminal for AM RF and FM IF amplifier 0.
9 0.
9 www.
DataSheet4U.
com 2 OSC AM OSC 1.
2 1.
2 4 MIX Output of AM MIX 1.
2 1.
2 3 FM IF in Imput of FM IF signal ・Input impedance 330Ω (typ.
) 0.
9 0.
9 5 VCC ― ― 1.
2 1.
2 6 AM IF IN Imput of AM IF signal ・Input impedance 3kΩ (typ.
) 1.
2 1.
2 7 QUAD FM QUAD detector 1.
2 1.
2 3 2006-04-11 TA2022AFNG Terminal No.
Name Function Internal Circuit Terminal Voltage (V) AM FM 8 AGC ・AM mode AGC time constant is determined by external capacitor.
・FM mode The s...


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