Sanyo EP93F manual Car Audio Built-in PLL Tuner System Chipsets

Car Audio Built-in PLL Tuner System Chipsets (1)

For Automotive AV Equipment

SANYO has now added a PLL circuit to their original-design single-chip tuner IC.

Microcontroller control provides increased performance and reliability and fewer adjustments in tuner systems.

.............Under development

Microcontroller Tuner IC

Microcontroller Single-Chip

Car Tuner with On-Chip PLL Circuit

LV25200M P37

•No external FM RF amplifier required

•Adjacent channel noise reduction variable band filter

•AM noise canceller

•Tuner supports all broadcast band standards used worldwide

•Meets the new FCC regulations

•Tuner specifications can be modified by changing the microprocessor software

•Auto-adjustment system Automatic adjustment achieved by connecting the line computer and the E2PROM through the microprocessor

•Best receiving system

Optimizes the tuner functions in real time according to the reception conditions

•Improved performance and reliability, circuit simplification, and design standardization achieved by the adoption of a microprocessor controlled tuner

•On-chip PLL circuit

•Package: QFP80 (14 14)

Microcontroller single-chip car tuner with on-chip PLL circuit

LV25200M P37

Analog block

Digital block

PLL

•AM double-conversion support circuit •High-speed lockup circuit

•Dead zone control •Oscillator division circuit

CCB

CCBMicrocontroller

Test

instrument

(GP-IB)

Process

line computer

(PC)

Line Amplifier

Four-Channel High Output

Preamplifier IC

LA2901V P40

•Provides a high output voltage of 5.3 V rms (with a THD of 0.1%) for improved signal-to-

noise ratio when driving an external power amplifier

•Low output noise voltage: 12 μV

•Low total harmonic distortion: 0.005% •Superb audio fidelity

•Package: SSOP24 (275mil)

Electronic Volume Control Single-Chip Electronic Volume Control with New Zero-Cross Muting Circuit LC75410E/W, LC75411E/W, LC75412E/W P44 to 46

•Built-in differential input amplifiers (LC75410E/W, LC75412E/W)

•Zero-cross muting

•Input gain control

•Loudness control

•Package: (LC75410E) QIP64E (14 14) (LC75410W) SQFP64 (10 10) (LC75411E) QIP44M (10 10) (LC75411W) SQFP48 (7 7) (LC75412E) QIP64E (14 14) (LC75412W) SQFP64 (10 10)

LCD drivers

VFD drivers

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.

P23 to 26

CCB is a SANYO’s original bus format and all the bus addresses are controlled by SANYO.

AM/FM Tuner Block

Varactor diodes for AM tuning

SVC354 (3 diodes), SVC364 (4 diodes), SVC371 (6 diodes)

Varactor diodes for FM 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)

JFET and transistors for AMP amplifiers

CPH5901 (high gain, typ 50 ms), CPH5905 (High ESD resistance type)

Dual gate MOSFETs for FM amplifiers

3SK263 (VDS = 15 Vmin, IDSX = 2.4 to 24 mA, yfs = typ 14 ms), 3SK264 (VDS = 15 V, IDSX = 5.0 to 24 mA, yfs = typ 17 ms)