TDA7088 Ver la hoja de datos (PDF) - Unisonic Technologies
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TDA7088 Datasheet PDF : 7 Pages
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UTCTDA7088 LINEAR INTEGRATED CIRCUIT
AC CHARACTERISTICS
Vp=3V,Tamb=25°C, fiRF=96MHz modulated with fmod=1kHz and +-22.5kHz deviation; Vi=400µV(measured as
EMF,Rs=75Ω) and measurements taken in Fig.4;unless otherwise specified.
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNIT
RF sensitivity input voltage (RMS Vi(rms) VOAF=-3dB;VOAF=0dB at
value)
Vi=1mV;see Fig.3
Mute off
3
6
µV
Mute on
3
6
12
µV
(S+N)/N =26dB
5
10
µV
Signal handling
Vi(rms) ∆f=+-75kHz,THD<10%
100 200
mV
Signal plus noise-to-noise ratio (S+N)/N See Fig.3
52
56
dB
Total harmonic distortion
THD
∆f=+-22.5kHz
1
1.4
%
∆f=+-75kHz
2.4 3.3
%
AM suppression
αAM
FM:1kHz,+-75kHz,
47
52
dB
AM:1kHz,m=0.8
Ripple rejection
RR1000 100mV RMS ripple on Vp,f=1kHz 7
10
dB
Audio output signal (RMS value) Vo(rms) RL=22kΩ
60
85 120 mV
Search Tuning (with BB910 and C16=0.1µF) see Fig.1
Minimum output voltage on pin16 V16
Limiting point
Vp -
V
1.85
Tuning steepness
∆V/∆t
Voltage at pin16
95 210 420 mV/s
Oscillator steepness
∆Fosc/∆t
1.25 2.83 5.6 MHz/s
AFC steepness
∆IAFC/∆V3 Voltage at pin3
4.75 9.5
19
µS
UTC UNISONIC TECHNOLOGIES CO., LTD. 4
QW-R110-016,A
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