PT2579-SN Princeton Technology Corp., PT2579-SN Datasheet

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PT2579-SN

Manufacturer Part Number
PT2579-SN
Description
RDS Demodulator IC
Manufacturer
Princeton Technology Corp.
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
PT2579-SN
Manufacturer:
PTC
Quantity:
20 000
RDS Demodulator IC
DESCRIPTION
PT2579 is a Radio Data System Demodulator IC utilizing CMOS Technology specially designed for
radio data system applications. The RDS data signal (RDDA) and the RDS clock signal (RDCL) are
provided as outputs for further processing by an ideal decoder / microcontroller. Anti-aliasing Filter
(2nd order), 57KHz band pass filter (8th order), reconstruction filter (2nd order), clocked comparator
with automatic offset compensation, biphase symbol decoder, differential decoder, and signal quality
detector are all built into a single chip having the highest performance and reliability. Pin assignments
and application circuit are optimized for easy PCB layout and cost saving advantages.
FEATURES
APPLICATIONS
PT2579 V1.6
• CMOS Technology
• Low Power Consumption
• Anti-Aliasing Filter (2nd Order)
• Reconstruction Filter (2nd Order)
• 57KHz Band-Pass Filet (8th Order)
• 57KHz Carrier Regeneration
• Differential Decoder
• Signal Quality Detector
• Subcarrier Output
• Selectable 4.332 / 8.664MHz Crystal Oscillator with Variable Dividers
• Synchronous Demodulator for 57KHz Modulated RDS Signals
• Clocked Comparator with Automatic Offset Compensation
• Clock Generation with Lock on Biphase Data Rate
• Biphase Symbol Decoder with Integrate and Dump Functions
• Available in 16 pins, DIP or SOP
• Car Radio
• Home Stereo Tuner
- 1 -
URL:http://www.princeton.com.tw
Fax:886-2-29174598
Tel: 886-2-66296288
PT2579
May, 2008

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PT2579-SN Summary of contents

Page 1

... RDS Demodulator IC DESCRIPTION PT2579 is a Radio Data System Demodulator IC utilizing CMOS Technology specially designed for radio data system applications. The RDS data signal (RDDA) and the RDS clock signal (RDCL) are provided as outputs for further processing by an ideal decoder / microcontroller. Anti-aliasing Filter ...

Page 2

... SCOUT O MODE I TEST I DVSS - DVDD - OSC1 I OSC2 O T57 O RDCL O PT2579 V1 PT2 Description Quality Indicator Output Pin RDS Data Output Pin Reference Voltage Multiplex Signal Input Pin Analog Supply Voltage (+5V) Analog Ground Pin (0V) Subcarrier Input Pin to the Comparator ...

Page 3

... Note: Two crystal frequencies may be used via the MODE pin. Please refer to the table below. For the 4.332MHz Crystal recommended to use TXC 6A04300098 or a component with the same specifications. MODE Pin State PT2579 V1.6 QUAL RDCL RDDA T57 VREF OSC2 ...

Page 4

... RDS Demodulator IC ORDER INFORMATION Valid Part Number PT2579 (L) PT2579-S (L) PT2579-SN (L) PT2579-X (L) Notes: 1. (L), (C) or (S) = Lead Free. 2. The Lead Free mark is put in front of the date code. PT2579 V1.6 Package 16 pins, DIP, 300mil 16 pins, SOP, 300mil 16 pins, SOP, 150mil 16 pins, SSOP, 150mil - 4 - Tel: 886-2-66296288 Fax:886-2-29174598 URL:http://www ...

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