LC72148V Datasheet, PDF (1/21 Pages) Sanyo Semicon Device – Electronic Tuning PLL Frequency Synthesizer for Car Stereo Systems

Ordering number : ENN6974A
CMOS IC
LC72148V
Electronic Tuning PLL Frequency Synthesizer
for Car Stereo Systems
Overview
The LC72148V is a 3 V version of the LC72146 PLL
frequency synthesizer that can easily implement a variety
of 3 V power supply tuners, including in-car navigation
system receivers based on the VICS FM multiplex system.
Functions
• High-speed programmable divider
— FMIN: 10 to 180 MHz ^... Pulse swallower technique
— AMIN: 2 to 40 MHz ^... Pulse swallower technique
0.5 to 10 MHz ^... Direct division technique
• IF counters
— HCTR: 0.4 to 25 MHz ^... Frequency measurement
— LCTR: 10 to 500 kHz ^... Frequency measurement
1.0 to 20 × 10³ Hz ^... Period measurement
• Reference frequency
— One of 12 reference frequencies can be selected
(Crystal resonator: 7.2 or 4.5 MHz)
1, 3, 5, 9, 10, 3.125, 6.25, 12.5, 25, 30, 50, and
100 kHz
• Phase comparator
— Provides dead zone control
— Built-in unlock detection circuit
— Built-in deadlock clear circuit
— Sub-charge pump for high-speed locking
• Built-in MOS transistor for implementing an active low-
pass filter
• I/O ports: Five general-purpose I/O ports.
— Input: 7 pins (maximum)
— Output: 7 pins (maximum. N-channel: 4 pins,
CMOS: 3 pins)
— A clock time base signal (8 Hz) can be output.
• Serial data I/O
— Supports communication with a controller in the
CCB format.
— Uses the same serial data as the LC72146.
• Operating ranges
— Supply voltage: 2.7 to 3.6 V
— Operating temperature: –40 to +85°C
• Package
— SSOP24
Package Dimensions
unit: mm
3175B-SSOP24
[LC72148V]
7.8
24
1
0.15
(0.33) _{0.65 0.22}
SANYO: SSOP24
• CCB is a trademark of SANYO ELECTRIC CO., LTD.
• CCB is SANYO’s original bus format and all the bus
addresses are controlled by SANYO.
Any and all SANYO 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 representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO 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 products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
41202RM (OT)/70601RM (OT) No. 6974-