E-TDA7479D 查看數據表（PDF） - STMicroelectronics
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E-TDA7479D Datasheet PDF : 12 Pages
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Electrical specification
TDA7479
Table 5.
Symbol
Electrical characteristics (continued)
(Tamb = 25°C, VS = 5V, unless otherwise specified)
Parameter
Test condition
Min. Typ. Max. Unit
VREF Reference
Demodulator
VS/2
V
Input pins (EXTRES, FSEL, TM:) all with internal pull down resistor
Input pin (OSEL):
with internal pull up resistor
IPD Input current
IPU Input current
VIH Input voltage high
VIL Input voltage low
VIN = 5 V (pull-down input)
VIN = 0 V (pull-up input)
Output pins (RDCL, RDDA, ARI, QUAL, T57)
15
30
A
-25
-10
A
0.7 · VS 0.8 · VS
V
0.2 · VS 0.3 · VS V
VOH Output voltage high
VOL Output voltage low
Oscillator
IL = 0.5mA
IL = 0.5mA
4
4.6
V
0.4
1
V
VCLL
VCLH
Input level OSCIN pin
Input level OSCIN pin
Amplitude OSCOUT
OSEL = open circuit
OSEL = open circuit
OSEL = open circuit
4
4.5
Amplitude OSCIN
VPP (for external drive)
OSEL = GND, f = 4.332 MHz
100
OSEL = GND, f = 8.664 MHz
120
OSEL = GND, f = 17.328 MHz
150
1. The 3rd harmonic (57 kHz) must be less than -40 dB with respect to the input signal plus gain.
1
V
V
V
mVpp
mVpp
mVpp
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