LC72137_11 Datasheet, PDF (1/22 Pages) Sanyo Semicon Device – PLL Frequency Synthesizer

Ordering number : ENN5743B
CMOS IC
LC72137, 72137M
PLL Frequency Synthesizer
for Electronic Tuning
Overview
The LC72137 and LC72137M are high input sensitivity
(FMIN: 10 mVrms at 130 MHz) PLL frequency
synthesizers for 3 V systems. They allow high-
performance AM/FM tuners to be implemented easily.
Features
• High-speed programmable frequency divider
— FMIN: 10 to 160 MHz ..Pulse swallower
(divide-by-two prescaler built in)
— AMIN: 2 to 40 MHz ......Pulse swallower
0.5 to 10 MHz ...Direct division
• IF counter
— IFIN: 0.4 to 12 MHz ......For use as an AM/FM IF
counter
• Reference frequency
— Selectable from one of eight frequencies (crystal
oscillator: 75 kHz)
1, 3, 5, 3.125, 6.25, 12.5, 15, and 25 kHz
• Phase comparator
— Supports dead zone control
— Built-in unlock detection circuit
— Built-in deadlock clear circuit
• Built-in MOS transistor for forming an active low-pass
filter
• I/O ports
— Dedicated output ports: 4
— I/O ports: 2
— Supports clock time base output
• Serial Data I/O
— Supports CCB format communication with the
system controller.
• Operating ranges
— Supply voltage: 2.5 to 3.6 V
— Operating temperature: –20 to +70°C
• Packages
—DIP22S/MFP20
Package Dimensions
unit: mm
3059-DIP22S
[LC72137]
22
12
1
11
21.2
0.95
0.48
1.78
1.7
unit: mm
3036B-MFP20
20
[LC72137M]
11
SANYO: DIP22S
1
10
12.6
0.15
• 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.
0.35
1.27 0.59 _{SANYO: MFP20}
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
91099TH (OT)/N3098HA (OT)/70398RM (OT) No. 5743-1/22