LC7444 View Datasheet(PDF) - SANYO -> Panasonic
Part Name
Description
Manufacturer
LC7444 Datasheet PDF : 3 Pages
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Ordering number : EN4305A
CMOS LSI
LC7444
Dual VCO
Overview
The LC7444 consists of two independent VCO (voltage
controlled oscillator) circuits.
These circuits support VCO operation with only the
addition of external resistors that determine the oscillation
range.
Package Dimensions
unit: mm
3003A-DIP14
[LC7444]
Features
• Two independent VCO circuits
• The oscillator frequency range can be set with external
resistors.
• Good linearity in the voltage - frequency conversion
characteristics
• High-impedance oscillator control voltage input
• CMOS clock output
• Fabricated in a CMOS process for lower power
• Oscillator frequency range: 8 to 32 MHz
• Operating supply voltage: 5 V ± 10%
• Package: DIP14
SANYO: DIP14
Specifications
Absolute Maximum Ratings at Ta = 25 ± 2°C, VSS1 = VSS2 = 0 V, VDD = VDD1, VDD2
Parameter
Maximum supply voltage
Maximum input voltage
Maximum output voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VDD max
VIN max
VOUT max
Pd max
Topr
Tstg
Conditions
Ratings
Unit
–0.3 to +7.0
V
–0.3 to VDD + 0.3
V
–0.3 to VDD + 0.3
V
300
mW
–10 to +70
°C
–55 to +125
°C
Allowable Operating Ranges at Ta = –10 to +70°C, VSS1 = VSS2 = 0 V, VDD = VDD1, VDD2
Parameter
Supply voltage
Input high level voltage
Input low level voltage
Oscillator range resistors
Symbol
VDD
VIH
VIL
Rrng
ENA1, ENA2
ENA1, ENA2
R1, R2
Conditions
min
typ
4.5
5.0
0.7 VDD
6.8
max
Unit
5.5
V
V
0.3 VDD
V
13
kΩ
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
52295TH (OT) No. 4305-1/3
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