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參數資料
| 型號： | LC72191M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | PLL Frequency Synthesizer for Electronic Tuning in Car Stereo Tuners |
| 中文描述： | 鎖相環(huán)頻率合成調諧器在汽車音響電子調諧 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 194K |
| 代理商： | LC72191M |
Overview
The LC72191, LC72191M and LC72191JM are PLL
frequency synthesizers for electronic tuning. The
LC72191, LC72191M and LC72191JM are optimal for
AM/FM tuner circuits that require high mounting
densities.
Features
Designed for use in car stereos, the LC72191 provides a
rich set of reference frequencies, I/O ports, a general-
purpose counter, and an unlock detection circuit.
Functions
Programmable dividers
— FMIN pin: 130 MHz at 70 mVrms and 160 MHz at
100 mVrms input (built-in prescaler)
— AMIN pin: Pulse swallower and direct division
techniques
Reference frequencies: Ten selectable frequencies:
1, 5, 9, 10, 3.125, 6.25, 12.5 25, 50 and 100 kHz
Output ports: 7 pins
Complementary outputs: 2 pins
N-channel open drain outputs: 5 pins
Input ports: 2 pins
General-purpose counter: For measuring IF and other
signals (Also used for station detection when
functioning as an IF counter.)
— HCTR pin: Frequency measurement (for inputs up to
70 MHz)
— LCTR pin: Frequency and period measurement
PLL unlock detection circuit
Detects phase differences of 0.55, 1.11, 2.22 and 3.33 μs.
Controller clock output: 400 kHz
Clock time base output: 8 Hz
Serial data I/O
— Supports CCB format communication with the
system controller.
Package: LC72191: DIP24S
LC72191M: MFP24
LC72191JM: MFP24S
Package Dimensions
unit: mm
3067-DIP24S
CMOS LSI
D3096HA (OT)/D2593JN/6182JN No. 3985-1/16
SANYO: DIP24S
[LC72191]
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
PLL Frequency Synthesizer
for Electronic Tuning in Car Stereo Tuners
LC72191, 72191M, 72191JM
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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