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LC72146V

Features: • High-speed programmable dividers for- 10 to 160 MHz on FMIN using pulse swallower- 0.5 to 40.0 MHz on AMIN using pulse swallower and direct division• General-purpose counters- HCTR for 0.4 to 25.0 MHz frequency measurement- LCTR for 10 to 500 kHz frequency measurement and 1...

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SeekIC No. : 004391808 Detail

LC72146V: Features: • High-speed programmable dividers for- 10 to 160 MHz on FMIN using pulse swallower- 0.5 to 40.0 MHz on AMIN using pulse swallower and direct division• General-purpose counters...

LC72146V Data Sheet

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Part Number:
LC72146V
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• High-speed programmable dividers for
- 10 to 160 MHz on FMIN using pulse swallower
- 0.5 to 40.0 MHz on AMIN using pulse swallower and direct division
• General-purpose counters
- HCTR for 0.4 to 25.0 MHz frequency measurement
- LCTR for 10 to 500 kHz frequency measurement and 1.0 Hz to 20*103 kHz period measurement
• 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
• Phase comparator
- Insensitive band control
- Unlock detection
- Sub-charge pump for high-speed locking
- Deadlock clear circuit
• CCB input/output data interface
• Power-on reset circuit
• Built-in MOS transistor for a low-pass filter
• Inputs/outputs (using five general-purpose input/output ports)
- Maximum of seven inputs (max)
- Maximum of seven outputs (max/four n-channel open-drain and three CMOS outputs)
- Time-base output for clock (8 Hz)
• Operating ranges
- Supply voltage ..................................4.5 to 5.5 V
- Opetating temperature ......................40 to 85°C
• Package
- DIP24S, MFP24S, SSOP24




Pinout

Connection Diagram




Specifications

Parameter Symbol Conditions
Ratings
 Unit
Maximum supply voltage VDDmax VDD
0.3 to +7.0
V
Maximum input voltage VIN1 max CE, CL, DI
0.3 to +7.0
V
VIN2 max XIN, FMIN, AIN, AMIN, HCTR/I-6, LCTR/I-7, I/O-4, I/O-5
0.3 to VDD + 0.3
V
VIN3 max I/O-1 to I/O-3
0.3 to +15
V
Maximum output voltage VO1 max DO
0.3 to +7.0
V
VO2 max XOUT, I/O-4, I/O-5, O-6, PD0, PF1, AIN
0.3 to VDD + 0.3
V
VO3 max I/O-1 to I/O-3, AOUT, O-7
0.3 to +15
V
Maximum output current IO1 max I/O-4, I/O-5, O-6, O-7
0 to 3.0
mA
IO2 max DO, AOUT
0 to 6.0
mA
IO3 max I/O-1 to I/O-3
0 to 10
mA
Allowable powerdissipation Pdmax DIP24S:Ta 85°C
350
mW
MFP24S:Ta 85°C
220
mW
SSOP24:Ta 85°C
150
mW
Operating temperature Topr
40 to +85
Storage temperature Tstg
50 to +125





Description

The LC72146V is a PLL frequency synthesizer LSI circuit for electronic tuning in car stereo systems. The LC72146 supports the construction of high-performance, multifunctional electronic tuning systems for the VHF MW, and LW bands.






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