STK311-110中文资料

Ordering number: EN 4588A

Thick Film Hybrid IC

Overview

The STK311-110 is an RDS demodulator hybrid IC for the Radio Data System (RDS), or multiplexed FM broad-casting of various kinds of data, introduced within the European Broadcasting Union (EBU). It demodulates the multiplexed data modulating signal to recover the RDS signal. In combination with an LC7070 series LSI (for sync handling, error detection and correction), a low-cost high-performance RDS data decode system can be con-structed. Further, low-pro?le packaging is realized using Sanyo’s insulated metal substrate technology (IMST) for the base, SC system and photoresist technologies and folded board construction.

Applications

?Car stereos ?Home stereos

Features

?57kHz BPF built-in for adjustment-free operation

?Few external components required for a complete RDS data demodulation system ?ARI-SK/DK decoder built-in

Package Dimensions

unit: mm

4142

[STK311-110]

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Operating Characteristics at Ta = 25°C, V CC = 5V

Equivalent Circuit

Parameter

Symbol Conditions

min typ max Unit Quiescent current I C C O –2230mA Band-pass ?lter gain VG B P F

f = 57kHz

912.517dB Center frequency 55.85758.2kHz

Q

–9–Band-pass ?lter selectivity

f = 90kHz (57kHz = 0dB)

?50?38?20dB f = 60kHz (57kHz = 0dB)?4?2.50dB f = 54kHz (57kHz = 0dB)?5?3.50dB f = 38kHz (57kHz = 0dB)

?50?39?35dB PLL capture range CR

5mVrms, CW input –?0.5+1.1–%RDS detector sensitivity Pin 10 low, input on pin 170.150.4 1.0mVrms SK detector sensitivity Pin 11 low, input on pin 170.3 1.0 2.0mVrms DK detector sensitivity Pin 12 low, input on pin 170.8 1.5 2.6mVrms RDS input dynamic range Pin 10 low, (ARI + RDS) signal maximum input on pin 173050–mVrms DK input dynamic range Pin 12 low, ARI signal maximum input on pin 17

75100–mVrms VCO free-running frequency

f O S C 453

456

459

kHz R11 is a function trimming resistor.Pins 3, 13 to 16 are no connection pins.

Sample Application Circuit

Pins 3, 13 to 15 are left open.

Sample System Con?guration

STK311-110

Pin Functions

Sample RDS Data Decoder Circuit

Number Name Function

1MONI BPF (for adjustment) monitor output 2V C C

Supply pin 4, 6GND Ground pins

5OSC VCO ceramic oscillator pin (456kHz)7CLK OUT Clock output 8DATA OUT Data output

9ID-ADJ SK detector sensitivity adjustment pin

10RDS-ID RDS signal detector indicator output.

Low-level output when an RDS signal is detected, and high-level when not detected.11SK-ID SK signal detector indicator output.

Low-level output when an SK signal is detected, and high-level when not detected.12DK-ID DK signal detector indicator output.

Low-level output when an DK signal is detected, and high-level when not detected.17

INPUT

Input pin

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STK311-110

Characteristics Data

57kHz BPF selectivity

SK detector sensitivity adjustment

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