Ordering number : ENA2063
CMOS IC
RDS(RBDS) Demodulation IC
LC72725KMA
Overview
The LC72725KMA is IC 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. This IC 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 = 25C, V d = V a = 0V
SS
SS
Parameter
Symbol
max
Pin Name
Conditions
Ratings
-0.3 to +6.5
Unit
V
Maximum supply voltage
Maximum input voltage
V
V
d, V a *
DD DD
V
aV d+0.3V
DD
DD
DD
V
V
1 max
TEST, MODE, XIN, RDCL, RST
MPXIN, CIN
-0.3 to V d+0.3
DD
V
IN
IN
2 max
1 max
2 max
3 max
-0.3 to V a+0.3
DD
V
Maximum output voltage
Maximum output current
V
V
V
I
RDS-ID(READY)
-0.3 to +6.5
V
O
O
O
XOUT, RDDA, RDCL
FLOUT
-0.3 to V d+0.3
DD
V
-0.3 to V a+0.3
DD
V
1 max
XOUT, FLOUT, RDDA, RDCL
RDS-ID(READY)
+2.0
+8.0
mA
mA
O
I
2 max
O
* V aV d+0.3V
DD DD
Continued on next page.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment. The products mentioned herein
shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life,
aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system,
safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives
in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any
guarantee thereof. If you should intend to use our products for new introduction or other application different
from current conditions on the usage of automotive device, communication device, office equipment, industrial
equipment etc. , please consult with us about usage condition (temperature, operation time etc.) prior to the
intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely
responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
's products or
equipment.
53012HK 20120516-S00003 No.A2063-1/9
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