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SC6579 датащи(PDF) 3 Page - Silan Microelectronics Joint-stock

номер детали SC6579
подробное описание детали  RADIO DATA SYSTEM (RDS) DEMODULATOR
PDF  9 Pages
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производитель  SILAN [Silan Microelectronics Joint-stock]
домашняя страница  http://www.silan.com.cn
Logo SILAN - Silan Microelectronics Joint-stock

SC6579 датащи(HTML) 3 Page - Silan Microelectronics Joint-stock

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Silan
Semiconductors
SC6579
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0
2001.12.30
3
ELECTRICAL CHARACTERISTICS
(VDDA =VDDD =5 V; Tamb =25°C and measurements taken in Fig.1; unless otherwise specified.)
Comparator input (pin 7)
Minimum Input Level (RMS value)
Vi(rms)
f = 57 kHz
--
1
10
mV
Input Resistance
Ri
70
110
150
k
Ω
Oscillator input (pin 13)
HIGH-level Input Voltage
VIH
VDDD = 5.0 V
4.0
--
--
V
LOW-level Input Voltage
VIL
VDDD = 5.0 V
--
--
1.0
V
Input Current
II
VDDD = 5.5 V
--
--
±
µA
To be continued
Parameter
Symbol
Test condition
Min.
Typ.
Max.
Unit
Analog Supply Voltage (pin 5)
VDDA
3.6
5.0
5.5
V
Digital Supply Voltage (pin 12)
VDDD
3.6
5.0
5.5
V
Total Supply Current
Itot
I5 +I12

6

mA
Reference Voltage (pin 3)
Vref
VDDA = 5 V

2.5

V
MPX input (signal before the capacitor on pin 4)
RDS Amplitude (RMS value)
Vi MPX (rms)
∆f ±1.2 kHz RDS;
∆f ±3.5 kHz ARI; see Fig.5
1
--
--
mV
f = 5±2 kHz
200
--
--
mV
f < 50 kHz
1.4
--
--
V
f < 15 kHz
2.8
--
--
V
Maximum Input Signal Capability
(peak-to-peak value)
Vi MPX (p-p)
f > 70 kHz
3.5
--
--
V
Input Resistance
R4-6
f = 0 to 100kHz
40
--
--
k
Ω
Signal Gain
G8-4
f = 57 kHz
17
20
23
dB
57 kHz band-pass filter
Center Frequency
fc
Tamb = -40 to +85 °C
56.5
57.0
57.5
kHz
-3 dB Bandwidth
B
2.5
3.0
3.5
kHz
∆f =±7 kHz
31
--
--
dB
f < 45 kHz
40
--
--
dB
f < 20 kHz
50
--
--
dB
Stop Band Gain
G
f > 70 kHz
40
--
--
dB
Output Resistance (pin 8)
Ro(8)
f = 57 kHz
--
26
--
Ω



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