參數(shù)資料
型號(hào)： LC72148V
元件分類(lèi)： PLL合成/DDS/VCOs
英文描述： PLL FREQUENCY SYNTHESIZER, 40 MHz, PDSO24
封裝： SSOP-24
文件頁(yè)數(shù)： 1/21頁(yè)
文件大?。?/td> 170K
代理商： LC72148V
Ordering number : ENN6974A
41202RM (OT)/70601RM (OT) No. 6974-
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
1
7.6
7.8
0.5
5.6
0.1
1.5max
24
0.65
0.22
(0.33)
0.15
(1.3)
SANYO: SSOP24
[LC72148V]
LC72148V
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Electronic Tuning PLL Frequency Synthesizer
for Car Stereo Systems
CMOS IC
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.
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.
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