TDA7479DTR Datasheet, PDF (6/12 Pages) STMicroelectronics – Single chip RDS demodulator + filter

Electrical specification
TDA7479
Table 5.
Symbol
Electrical characteristics (continued)
(T_amb = 25°C, V_S = 5V, unless otherwise specified)
Parameter
Test condition
Min. Typ. Max. Unit
V_REF Reference
Demodulator
V_S/2
V
Input pins (EXTRES, FSEL, TM:) all with internal pull down resistor
Input pin (OSEL):
with internal pull up resistor
I_PD Input current
I_PU Input current
V_IH Input voltage high
V_IL Input voltage low
V_IN = 5 V (pull-down input)
V_IN = 0 V (pull-up input)
Output pins (RDCL, RDDA, ARI, QUAL, T57)
15
30
μA
-25
-10
μA
0.7 · V_S 0.8 · V_S
V
0.2 · V_S 0.3 · V_S V
V_OH Output voltage high
V_OL Output voltage low
Oscillator
I_L = 0.5mA
I_L = 0.5mA
4
4.6
V
0.4
1
V
V_CLL
V_CLH
Input level OSCIN pin
Input level OSCIN pin
Amplitude OSCOUT
OSEL = open circuit
OSEL = open circuit
OSEL = open circuit
4
4.5
Amplitude OSCIN
V_{PP (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 3^rd 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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