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RDS System Chipsets
For Automotive AV Equipment
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 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.
.............New product
.............Under development
PLL Synthesizer
High-Speed
Synthesizer IC
LC72151V P69
Includes an extremely fast FM frequency lock up circuit
•The PLL circuit can lock in 500 μs due to optimal
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
VCO
Tuner IC | Electronic | |
volume | ||
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IF Buffer | Vt | |
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| Comp | |
2nd OSC | LPF | |
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IF counter |
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| Phase | |
| comparator | |
Programmable |
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divider | ||
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Reference divider | lock control | |
circuit | ||
| CCB I/F |
Power amplifier
RDS decoder IC |
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LC72722/M/PM | P70 |
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LC72720Y/YV | P72 |
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LC72723/M | P71 |
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BPF | BPSK | Buffer | |
demodulator | memory | ||
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Block | Error | Buffer | |
synchro- | |||
correction | memory | ||
nization |
CCB I/F
RDS Decoder
Single-Chip RDS Decoder
![](/images/new-backgrounds/1179633/17963371xi12.webp)
LC72722/M/PM
P70
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
•Holds 24 blocks of data temporarily Serial data input and output
•CCB format
Package: (LC72722) DIP24S (300mil) (LC72722M) MIP24S (300mil) (LC72722PM) MFP24 (375mil)
Single-Chip RDS Signal-Processing System IC
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LC72720Y/YV ![](/images/new-backgrounds/1179633/17963371xi22.webp)
P72
Phase comparator •Dead band width control •Unlocked state detection circuit •Deadlock clear circuit
Active
PLL synthesizer IC
LC72151V P69
CCB
Supply voltage: 3.0 to 3.6 V
Packages: (LC72720Y) DIP24S (300mil)
(LC72720YV) SSOP30 (275mil)
Serial data input and output •CCB format
Package: SSOP30 (275mil)
Microcontroller
LC875 Series P23 to 24
CCB | LCD drivers |
| VFD drivers |
RDS Data Demodulator LC72723/M
P71
Bandpass filter
•57 kHz switched capacitor filter RDS demodulator
LAN drivers
CARNET | P1 to 2 | CAN P1 to 2 |
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| MOST P1 to 2 |
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LA2330W | P3 |
| LA2360M | P5 . 22 |
| LA2340M | P6 . 21 |
LA2333T | P4 |
| LA2361AM | P5 |
| LV2341M | P6 . 21 |
LA2351M | P4 . P20 |
| LA2361JM | P5 |
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Extensive lineup provides full support for a wide range of systems
Tuner Block |
| Dual gate MOSFETs for amplifiers | |||||||||
Varactor diodes for tuning |
| 3SK263 (VDS = 15 Vmin, IDSX = 2.4 to 24 |
| mA, |
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| yfs |
| = typ 14 ms), | |
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SVC230 (CR (C2.0V/C8.0V) ≥1.65, Q ≥100) |
| 3SK264 (VDS = 15 V, IDSX = 5.0 to 24 mA, |
| yfs |
| = typ 17 ms) | |||||
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SVC243 (CR (C1.0V/C6.5V) ≥7.0, Q ≥40) |
| Transistors for buffers | |||||||||
| 2SC2812N (VCEO = 50 V, IC = 150 mA, fT = typ 100 MHz), | ||||||||||
SVC272 (CR (C2.0V/C8.0V) ≥2.3, Q ≥150) |
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SVC273 (CR (C2.0V/C8.0V) ≥3.1, Q ≥100) |
| 2SC2814 (VCEO = 20 V, IC = 30 mA, fT = typ 320 MHz) | |||||||||
*: SV272, SV273: MCPH3 miniature package (2.1 | 2.0 mm) | PIN diodes for AGC and switching | |||||||||
Series with rs = typ 6 Ω: ISV294, ISV315, ISV316, ISV298H | |||||||||||
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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 is a case where all demanded articles couldn't be supported, so please confirm to the salesman of our company at every order.
CCB is a SANYO’s original bus format and all the bus addresses are controlled by SANYO.
Transistors for AM and FM buffers
2SC2812N (VCEO = 50 V, IC = 150 mA, fT = typ 100 MHz), 2SC2814 (VCEO=20 V, IC=30 mA, fT = typ 320 MHz)
PIN diodes for AM AGC and switching
Series with rs = typ 5 Ω: ISV247, ISV233, ISV246, ISV234, CPH5512
PIN diodes for FM AGC and switching
Series with rs = typ 6 Ω: ISV294, ISV315, ISV316, ISV298H
•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)
(LC72723M) MFP16 (225mil)
Other transistors (power supply, interface, and switch drive)
Bipolar transistors: 50C02CH (VCEO = 15 V, IC=1 A, VCE (sat) = max 280 mV)
(NPN) | 2SC5706 ( VCEO = 50 V, IC = 5 A, VCES (sat) = typ 90 mV) |
| 2SD1913 (VCEO = 60 V, IC = 3 A, PC = 20 W, hFE 70 to 280) |
MOSFET: 5LN 01M (VDSS = 50 V, ID = 100 mA RDS (on) | |
(Nch) | <VGS = 2.5 V> = 9.9 Ω) |
CPH6424 (VDSS = 60 V, ID = 3 A RDS (on) <VGS = 4 V> typ 150 mΩ)
67 Car Audio | 68 Car Audio |