TDA7332D013TR ,RDS FILTERFEATURES Figure 1. Package■ HIGH PERFORMANCE, STABLE 57KHz FILTER■ HIGH SELECTIVITYSO14■ FLAT GROUP ..
TDA7332D013TR ,RDS FILTERBlock DiagramRev. 2September 2004 1/6TDA7332 Figure 2.
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TDA7332D013TR
RDS FILTER
1/6
TDA7332September 2004
1FEATURES HIGH PERFORMANCE, STABLE 57KHz
FILTER HIGH SELECTIVITY FLAT GROUP DELAY HIGH PERFORMANCE LIMITER VERY FEW EXTERNAL COMPONENTS 4.332MHz CLOCK OSCILLATOR (8.664MHz
OPTIONAL)
2DESCRIPTIONThe TDA7332 is an RDS filter, realized in switched
capacitor technique.
The 4 biquad stage architecture is working with
4.332MHz clock.
Optionally a 8.664MHz xtal can be used.
The filter has a center frequency of 57KHz and a
bandwidth of 3KHz. Input 2nd order antialiasing fil-
ter and output smoothing filter are provided.
RDS FILTER
Block Diagram
Rev. 2
TDA7332
Figure 2. Absolute Maximum Ratings
Table 2. Thermal Data
Figure 3. Pin Connection (Top view)
Figure 4. Bonding Pad Locations (Top view)
Table 3. Electrical Characteristcs (VCC = 5V, Tamb = 25°C; fosc = 4.332MHz; VIN = 20mVrms unless
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TDA7332
otherwise specified)CRYSTAL TYPE = EURO QUARTZ
Note (1):
The phase non linearity is defined as: DPh = | -2 ff2 + ff1 + ff3 |
where ffx is the input-output phase difference at the frequency fx (x = 1,2,3)
Table 4. Note (2): The 3th harmonic (57KHz) at the output (pin12) must be less than -40dB in respect to the input signal plus gain.
TDA7332
Figure 5. SO14 Mechanical Data & Package Dimensions
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TDA7332
Table 5. Revision History
. consequences
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by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject
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authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
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TDA7332
