TDA7330BD STMicroelectronics, TDA7330BD Datasheet

Audio DSPs RDS Demodulator

TDA7330BD

Manufacturer Part Number
TDA7330BD
Description
Audio DSPs RDS Demodulator
Manufacturer
STMicroelectronics
Datasheet

Specifications of TDA7330BD

Mounting Style
SMD/SMT
Package / Case
SO-20
Pin Count
20
Screening Level
Industrial
Package Type
SO
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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DESCRIPTION
The TDA7330B is a RDS demodulator. It recov-
ers the additional inaudible RDS information
which is transmitted by FM radio broadcasting
stations.
The output data signal (RDDA) and clock signal
(RDCL) can be further processed by a suitable
RDS decoder (microprocessor).
The device operates in accordance with the EBU
(European Broadcasting Union) specifications.
The IC includes a 2nd order antialiasing input fil-
BLOCK DIAGRAM
November 1999
FILTER (8th ORDER)
EXTERNAL COMPONENTS
WITHOUT EXTERNAL COMPONENTS
QUALITY OUTPUT
(8.664MHz OPTIONAL)
NOLOGY
HIGH PERFORMANCE, 57KHz BANDPASS
FILTER ADJUSTMENT FREE AND WITHOUT
PURELY DIGITAL RDS DEMODULATION
ARI (SK INDICATION) AND RDS SIGNAL
4.332MHz CRYSTAL OSCILLATOR
LOW NOISE MIXED BIPOLAR/CMOS TECH-
SINGLE CHIP RDS DEMODULATOR + FILTER
ter, a 57KHz switched capacitor band pass filter,
a smoothing filter and cross detector, a bit rate
clock recovery circuit, a 57KHz PLL, BI-PHASE
PSK decoder, differential decoding circuit, ARI in-
dication and RDS signal quality output.
TDA7330B
DIP20
ORDERING NUMBERS:
TDA7330B
TDA7330BD
SO20
1/9

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TDA7330BD Summary of contents

Page 1

... November 1999 TDA7330B DIP20 SO20 ORDERING NUMBERS: TDA7330B TDA7330BD ter, a 57KHz switched capacitor band pass filter, a smoothing filter and cross detector, a bit rate clock recovery circuit, a 57KHz PLL, BI-PHASE PSK decoder, differential decoding circuit, ARI in- dication and RDS signal quality output. ...

Page 2

TDA7330B ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage CC T Operating Temperature Range op T Storage Temperature stg THERMAL DATA Symbol Description R Thermal Resistance Junction-case th j-case PIN CONNECTION (Top view) PIN FUNCTION Nr. Name 1 MUXIN RDS input ...

Page 3

ELECTRICAL CHARACTERISTICS ( 20mVrms unless otherwise specified) IN Symbol Parameter SUPPLY V Supply Voltage CC I Supply Current S R POR Pull Down Resistor POR POR POR Threshold ON FILTER(measured an pin 4 FILOUT) F Center Frequency C ...

Page 4

TDA7330B ELECTRICAL CHARACTERISTICS (continued) Measure f1 (KHz) f2 (KHz) f3 (KHz) A 56 55.5 57 58.5 Note(2): The 3th harmonic (57KHz) must be less than -40dB in respect to the input signal 19KHz ...

Page 5

APPLICATION SUGGESTION A good DC decoupling between V GROUND is necessary: a 100nF ceramic ca- pacitor, with low resistance and low inductance at high frequency, directly connected on pin 16 (V )and 5 (GND) is recommended small series ...

Page 6

TDA7330B Figure 5: Gain vs. Frequency 6/9 Figure 6: Group Delay vs. Frequency ...

Page 7

DIM. MIN. TYP. MAX. MIN. TYP. a1 0.254 0.010 B 1.39 1.65 0.055 b 0.45 0.018 b1 0.25 0.010 D 25.4 E 8.5 0.335 e 2.54 0.100 e3 22.86 0.900 F 7.1 I 3.93 L 3.3 0.130 Z ...

Page 8

TDA7330B mm DIM. MIN. TYP. MAX. MIN. A 2.35 2.65 0.093 A1 0.1 0.3 0.004 B 0.33 0.51 0.013 C 0.23 0.32 0.009 D 12.6 13 0.496 E 7.4 7.6 0.291 e 1. 10.65 0.394 h 0.25 0.75 ...

Page 9

... STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics 1999 STMicroelectronics – ...

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