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LC72146M Datasheet

  • LC72146M

  • PLL Frequency Synthesizer for Electronic Tuning

  • 21頁

  • SANYO

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Ordering number : EN4922C
CMOS LSI
LC72146, 72146M
PLL Frequency Synthesizer
for Electronic Tuning
Overview
The LC72146 is a PLL frequency synthesizer LSI circuit
for electronic tuning in car stereo systems. The LC72146
supports the construction of high-performance, multi-
functional electronic tuning systems for the VHF MW,
and LW bands.
Package Dimensions
unit: mm
3067-DIP24S
[LC72146]
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 1.0 Hz to 20
脳
10
3
kHz period measurement
鈥?Reference frequencies: Twelve selectable reference
frequencies (4.5 or 7.2 MHz crystal) 1, 3, 5, 9, 10,
3.125, 6.25, 12.5, 25, 30, 50 and 100 kHz
鈥?Phase comparator
鈥?Insensitive band control
鈥?Unlock detection
鈥?Sub-charge pump for high-speed locking
鈥?Deadlock clear circuit
鈥?CCB input/output data interface
鈥?Power-on reset circuit
鈥?Built-in MOS transistor for a low-pass filter
鈥?Inputs/outputs (using five general-purpose input/output
ports)
鈥?Maximum of seven inputs (max)
鈥?Maximum of seven outputs (max/four n-channel
open-drain and three CMOS outputs)
鈥?Time-base output for clock (8 Hz)
鈥?Operating ranges
鈥?Supply voltage ..................................4.5 to 5.5 V
鈥?Opetating temperature ......................鈥?0 to 85擄C
鈥?Package
鈥?DIP24S, 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: DIP24S
unit: mm
3112-MFP24S
[LC72146M]
SANYO: MFP24S
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
73096HA (OT)/11095TH (OT) No. 4922-1/21

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