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RDS System Chipsets
RDS System Chipsets
RDS System Chipsets
.............New product
.............Under development
PLL Synthesizer
High-Speed Locking PLL Frequency
Synthesizer IC
LC72151V
P69
Includes an extremely fast FM
frequency lock up circuit
• The PLL circuit can lock in 500 s
due to optimal low-pass filter
constants
Programmable divider
•FMIN: 10 to 160 MHz
•AMIN: 0.5 to 40 MHz
IF counter
•HCTR: 0.4 to 25 MHz
•LCTR: 10 to 500 kHz
Reference frequency
•Provides 11 different reference
frequencies (using a 10.25 or
10.35 MHz crystal)
•Crystal oscillator circuit supports
AM upconversion
Phase comparator
•Dead band width control
•Unlocked state detection circuit
•Deadlock clear circuit
Active low-pass filter amplifier
•Built-in operational amplifier for
high-speed FM frequency locking
•MOS transistor for AM reception
Serial data input and output
•CCB format
Package: SSOP30 (275mil)
CARNET
LA2330W
LA2333T
LA2351M
Extensive lineup provides full support for a wide range of systems
Tuner Block
Varactor diodes for tuning
SVC230 (CR (C2.0V/C8.0V) 1.65, Q 100)
SVC243 (CR (C1.0V/C6.5V) 7.0, Q 40)
SVC272 (CR (C2.0V/C8.0V) 2.3, Q 150)
SVC273 (CR (C2.0V/C8.0V) 3.1, Q 100)
*: SV272, SV273: MCPH3 miniature package (2.1
2.0 mm)
67 Car Audio
Tuner IC
IF Buffer
V
V
CO
t
2nd OSC
LPF
IF counter
Phase
comparator
Programmable
divider
High-speed
lock control
Reference divider
circuit
CCB I/F
PLL synthesizer IC
LC72151V
P69
Microcontroller
LC875 Series
LAN drivers
P1 to 2
P1 to 2
P1 to 2
CAN
MOST
P3
P5 . 22
LA2360M
LA2340M
P4
P5
LA2361AM
LV2341M
P4 . P20
LA2361JM
P5
Dual gate MOSFETs for amplifiers
3SK263 (V DS = 15 Vmin, I DSX = 2.4 to 24 mA, yfs = typ 14 ms),
3SK264 (V DS = 15 V, I DSX = 5.0 to 24 mA, yfs = typ 17 ms)
Transistors for buffers
2SC2812N (V CEO = 50 V, I C = 150 mA, f T = typ 100 MHz),
2SC2814 (V CEO = 20 V, I C = 30 mA, f T = typ 320 MHz)
PIN diodes for AGC and switching
Series with rs = typ 6 : ISV294, ISV315, ISV316, ISV298H
Supports both the European Broadcasting Union's RDS (Radio Data System) and the US NRSC
Supports both the European Broadcasting Union's RDS (Radio Data System) and the US NRSC
(National Radio System Committee) RBDS (Radio Broadcast Data System) standards. Performs
(National Radio System Committee) RBDS (Radio Broadcast Data System) standards. Performs
efficient error correction using a soft decision technique. This product also supports master
efficient error correction using a soft decision technique. This product also supports master
operation in which data is read out in synchronization with the RDS clock output.
operation in which data is read out in synchronization with the RDS clock output.
Power
Electronic
amplifier
volume
RDS decoder IC
LC72722/M/PM
P70
Comp
LC72720Y/YV
P72
LC72723/M
P71
BPF
demodulator
Block
Error
synchro-
correction
nization
CCB
CCB
LCD drivers
VFD drivers
P23 to 24
All products described in this catalog contain developed products or
products that are diverted from general types. In accordance with standard
of quality management system ISO/TS16949 for automotive industry, there
P6 . 21
is a case where all demanded articles couldn't be supported, so please
confirm to the salesman of our company at every order.
P6 . 21
CCB is a SANYO's original bus format and all the
bus addresses are controlled by SANYO.
Transistors for AM and FM buffers
2SC2812N (V CEO = 50 V, I C = 150 mA, f T = typ 100 MHz),
2SC2814 (V CEO =20 V, I C =30 mA, f T = typ 320 MHz)
PIN diodes for AM AGC and switching
Series with rs = typ 5 : ISV247, ISV233, ISV246, ISV234, CPH5512
PIN diodes for FM AGC and switching
Series with rs = typ 6 : ISV294, ISV315, ISV316, ISV298H
RDS Decoder
Single-Chip RDS Decoder
LC72722/M/PM
Bandpass filter
•57 kHz switched capacitor filter
RDS demodulator
•Reproduction of both clock and data signals
Block synchronization
•Supports both forward and backward
protection
Error correction
•Soft/hard decision
Buffer memory
BPSK
Buffer
•Holds 24 blocks of data temporarily
memory
Serial data input and output
•CCB format
Package: (LC72722) DIP24S (300mil)
Buffer
memory
Single-Chip RDS
Signal-Processing System IC
LC72720Y/YV
CCB I/F
Supply voltage: 3.0 to 3.6 V
Packages: (LC72720Y) DIP24S (300mil)
RDS Data Demodulator
LC72723/M
Bandpass filter
•57 kHz switched capacitor filter
RDS demodulator
•Reproduction of both clock and data signals
Buffer memory
•Holds 128 bits of data temporarily
Data output
•Master/slave mode switchable readout
Package: (LC72723) DIP16 (300mil)
Other transistors (power supply, interface, and switch drive)
Bipolar transistors: 50C02CH (V CEO = 15 V, I C =1 A, V CE (sat) = max 280 mV)
(NPN)
2SC5706 ( V CEO = 50 V, I C = 5 A, V CES (sat) = typ 90 mV)
2SD1913 (V CEO = 60 V, I C = 3 A, PC = 20 W, h FE 70 to 280)
MOSFET: 5LN 01M (V DSS = 50 V, I D = 100 mA R DS (on)
(Nch)
<V GS = 2.5 V> = 9.9 )
CPH6424 (V DSS = 60 V, I D = 3 A R DS (on)
<V GS = 4 V> typ 150 m )
For Automotive AV Equipment
P70
(LC72722M) MIP24S (300mil)
(LC72722PM) MFP24 (375mil)
P72
(LC72720YV) SSOP30 (275mil)
P71
(LC72723M) MFP16 (225mil)
68 Car Audio
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