SC6579 View Datasheet(PDF) - Silan Microelectronics

Part Name

Description

Manufacturer

SC6579

RADIO DATA SYSTEM (RDS) DEMODULATOR

Silan Microelectronics 

Silan

Semiconductors

SC6579

BLOCK DIAGRAM

MPX

signal

MUX 4

330pF

SCOUT 8

560pF

CIN 7

+5V VDDA 5

0.1­F

Vref 3

2.2­F

anti-

aliasing

filter

57kHz

bandpass

(8th order)

clocked

comparator

costas loop

variable and

fixed divider

VP1

reference

voltage

clock

regeneration

and sync

6

VSSA

47pF

82pF

4.332/8.664MHz

2.2K¡

OSCI OSCO

13 14

+5V

0.1­F

VDDD

12

reconstruction

filter

oscillator and

divider

quality bit

generator

1 QUAL

SC6579

bi-phase

symbol

decoder

differential

decoder

2 RDDA

16 RDCL

test logic and output

selector switch

9

MODE

10

TEST

15 T57

11

VSSD

Via pin MODE two different crystal frequencies can be used.

MODE

LOW

HIGH

CRYSTAL CLOCK

4.332 MHz

8.664 MHz

ABSOLUTE MAXIMUM RATINGS (Ta=25°C)

Characteristic

Symbol

Value

Analog Supply Voltage (pin 5)

VDDA

0~ 6

Digital Supply Voltage (pin 12)

VDDD

0~ 6

Voltage on All Pins; Grounds Excluded

Vn

-0.5 ~ VDD + 0.5

Storage Temperature

Tstg

-40 ~+150

Operating Ambient Temperature

Tamb

-40 ~+85

Electrostatic Handling for All Pins Except

Pins 9 and 10

VESD

±300 note 1

+1500 ~-3000 note 2

Notes 1. Equivalent to discharging a 200 pF capacitor via a 0 Ω series resistor.

2. Equivalent to discharging a 100 pF capacitor via a 1.5 kΩ series resistor.

Unit

V

V

V

°C

°C

V

V

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2001.12.30

2

Share Link: