LC72725KM_10 Datasheet, PDF (1/9 Pages) Sanyo Semicon Device – RDS(RBDS) Demodulation IC

Ordering number : ENA0503
LC72725KM, _{CMOS IC}
LC72725KV ^{RDS(RBDS) Demodulation IC}
Overview
The LC72725KM and LC72725KV are ICs that implement the signal processing required by the European Broadcasting
Union RDS (Radio Data System) standard and by the US NRSC (National Radio System Committee) RBDS (Radio
Broadcast Data System) standard. These ICs include band-pass filter, demodulator, and data buffer on chip. RDS data
can be read out from this on-chip memory by external clock input in slave operation mode.
Functions
• Bandpass filter: Switched capacitor filter (SCF)
• RDS Demodulation: 57KHz carrier and RDS data clock regeneration, biphase decode, differential decode.
• Buffer: 128 bit (about 100ms) can be restored in the on-chip data buffer RAM.
• Data output: Master or slave output mode can be selected.
• RDS-ID: Detect RDS signal which can be reset by RST signal input.
• Standby control: Crystal oscillator can be stopped.
• Fully adjustment free
• Low Voltage
Specifications
Absolute Maximum Ratings at Ta = 25°C, VSSd = VSSa = 0V
Parameter
Maximum supply voltage
Maximum input voltage
Maximum output voltage
Maximum output current
* VDDa≤VDDd+0.3V
Symbol
VDD max
VIN1 max
VIN2 max
VO1 max
VO2 max
VO3 max
IO1 max
IO2 max
Pin Name
VDDd, VDDa *
TEST, MODE, XIN, RDCL, RST
MPXIN, CIN
RDS-ID(READY)
XOUT, RDDA, RDCL
FLOUT
XOUT, FLOUT, RDDA, RDCL
RDS-ID(READY)
Conditions
VDDa≤VDDd+0.3V
Ratings
Unit
-0.3 to +6.5
V
-0.3 to VDDd+0.3
V
-0.3 to VDDa+0.3
V
-0.3 to +6.5
V
-0.3 to VDDd+0.3
V
-0.3 to VDDa+0.3
V
+2.0
mA
+8.0
mA
Continued on next page.
Any and all SANYO Semiconductor products described or contained herein do not have specifications
that can handle applications that require extremely high levels of reliability, such as life-support systems,
aircraft's control systems, or other applications whose failure can be reasonably expected to result in
serious physical and/or material damage. Consult with your SANYO Semiconductor representative
nearest you before usingany SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor assumes no responsibility for equipment failures that result from using products
at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor
products described or contained herein.
91306HKIM 20060822-S00002,20060823-S00002 No.A0503-1/9