廬
TDA7332
RDS FILTER
HIGH PERFORMANCE, STABLE 57KHz FIL-
TER
HIGH SELECTIVITY
FLAT GROUP DELAY
HIGH PERFORMANCE LIMITER
VERY FEW EXTERNAL COMPONENTS
4.332MHz CLOCK OSCILLATOR
(8.664MHz OPTIONAL)
DESCRIPTION
The 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 2
nd
order antialiasing fil-
ter and output smoothing filter are provided.
DIP14
SO14
ORDERING NUMBERS:
TDA7332
TDA7332D
TDA7332DIE1 (Chip on wafer)
TEST CIRCUIT
November 1999
1/6