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E-TDA7479AD Folha de dados(PDF) 6 Page - STMicroelectronics

Nome de Peças E-TDA7479AD
Descrição Electrónicos  Single chip RDS demodulator filter
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

E-TDA7479AD Folha de dados(HTML) 6 Page - STMicroelectronics

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Electrical specification
TDA7479
6/12
VREF
Reference
VS/2
V
Demodulator
Input pins (EXTRES, FSEL, TM:)
all with internal pull down resistor
Input pin (OSEL):
with internal pull up resistor
IPD
Input current
VIN = 5 V (pull-down input)
15
30
μA
IPU
Input current
VIN = 0 V (pull-up input)
-25
-10
μA
VIH
Input voltage high
0.7 · VS 0.8 · VS
V
VIL
Input voltage low
0.2 · VS 0.3 · VS
V
Output pins (RDCL, RDDA, ARI, QUAL, T57)
VOH
Output voltage high
IL = 0.5mA
4
4.6
V
VOL
Output voltage low
IL = 0.5mA
0.4
1
V
Oscillator
VCLL
Input level OSCIN pin
OSEL = open circuit
1
V
VCLH
Input level OSCIN pin
OSEL = open circuit
4
V
Amplitude OSCOUT
OSEL = open circuit
4.5
V
VPP
Amplitude OSCIN
(for external drive)
OSEL = GND, f = 4.332 MHz
OSEL = GND, f = 8.664 MHz
100
120
mVpp
mVpp
OSEL = GND, f = 17.328 MHz
150
mVpp
1.
The 3rd harmonic (57 kHz) must be less than -40 dB with respect to the input signal plus gain.
Table 5.
Electrical characteristics (continued)
(Tamb = 25°C, VS = 5V, unless otherwise specified)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit


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