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LC72144M Datasheet

  • LC72144M

  • PLL Frequency Synthesizer

  • 22頁

  • SANYO

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Ordering number : EN5377B
CMOS LSI
LC72144M
PLL Frequency Synthesizer
Overview
The LC72144M is an electronic tuning PLL frequency
synthesizer for use in car and home products, and allows
high-performance multifunction tuners to be implemented
easily, since it includes an A/D converter, a high-speed
lockup circuit, and a crystal oscillator circuit that support
AM up-conversion.
Package Dimensions
unit: mm
3112-MFP24S
[LC72144M]
Features
鈥?High-speed programmable dividers for
鈥?10 to 160 MHz on FMIN using pulse swallower
鈥?0.5 to 40.0 MHz on AMIN using pulse swallower
and direct division
鈥?General-purpose counters
鈥?HCTR for 0.4 to 25.0 MHz frequency measurement
鈥?LCTR for 10 to 500 kHz frequency measurement
and 4.0 Hz to 20
脳 10
3
Hz period measurement
鈥?4.5, 7.2, 10.25 or 10.35 MHz crystal
鈥?Twelve selectable reference frequencies (1, 3
*2
, 5, 9
*2
,
10, 3.125, 6.25, 12.5, 25, 30
*2
, 50 and 100
*1
kHz)
Note: 1. Not supported when a 10.35 or 10.25 MHz
crystal oscillator is used.
2. Not supported when a 10.25 MHz crystal
oscillator is used.
鈥?Phase comparator
鈥?Insensitive band control
鈥?Unlock detection
鈥?Sub-charge pump for high-speed locking
鈥?Deadlock clear circuit
鈥?A/D converter: 6 bits, 2 inputs
鈥?Serial data input and output
Supports control and communication in the CCB format
鈥?Power-on reset circuit
鈥?On-chip crystal oscillator output buffer
鈥?Inputs/outputs (using six general-purpose input/output
ports)
鈥?Operating ranges
鈥?Power-supply voltage: 4.5 to 5.5 V
鈥?Operating temperature: 鈥?0 to 85擄C
鈥?Package: MFP24S
鈥?CCB is a trademark of SANYO ELECTRIC CO., LTD.
鈥?CCB is SANYO鈥檚 original bus format and all the bus
addresses are controlled by SANYO.
SANYO: MFP24S
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
82097HA (OT)/N3096HA (OT)/73096HA (OT) No. 5377-1/22

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