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LC7267

Features: Capable of selecting receiving frequency display/time displayDisplay of receiving frequency at each band of FM/MW/LW Display element: LED Static/dynamic: Static Withstand voltage at output pin: 15 VMaximum current: 18 mA (VDD = 6.0 to 10.0 V)Number of display digits:FM: 5 digits, MW, LW:...

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LC7267: Features: Capable of selecting receiving frequency display/time displayDisplay of receiving frequency at each band of FM/MW/LW Display element: LED Static/dynamic: Static Withstand voltage at output...

LC7267 Data Sheet

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Part Number:
LC7267
Supply Ability:
5000

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Product Details

Description



Features:

Capable of selecting receiving frequency display/time display
Display of receiving frequency at each band of FM/MW/LW
    Display element: LED
    Static/dynamic: Static
    Withstand voltage at output pin: 15 V
    Maximum current: 18 mA
                                 (VDD = 6.0 to 10.0 V)
Number of display digits:
FM: 5 digits, MW, LW: 4 digits Covers intermediate frequencies shown below.
FM: +10.700, +10.725, +10.750, +10.675 MHz
        10.700, 10.725, 10.675, 10.650 MHz
         MW, LW:+450 kHz (1) : 10 kHz-step display
                      +450 kHz (2) : 1 kHz-step display
                      +455 kHz : 1 kHz-step display
                      +469 kHz : 1 kHz-step display
In FM reception applications, the LB3500 (¸8 prescaler) is
used jointly. Two selections of display system (12-hour system with PM
sign, 24-hour system)
Easy to set time by the time signal.
Inhibit pin for inhibiting time setting with display unlighted.
7.2 MHz crystal oscillator for reference frequency.
Supply voltage VDD: 4.5 to 10.0 V.


Pinout

Connection Diagram


Specifications

 

Parameter Symbol Conditions Ratings Unit
Maximum supply voltage Maximum supply voltage VDD max   0.3 to +11 V
Input voltage VIN All input pins 0.3 to VDD+0.3 0.3 to VDD+0.3 V
Output voltage VO1 XOUT, HLD, 50 Hz, output: off 0.3 to VDD+0.3 V
VO2 Output pins other than VO1 0 to 15 V
Allowable power dissipation Pd max Ta % 65 °C 550 mW
Allowable power dissipation of
segment outputs		 Pd (seg) 1 PM VDD = 4.5 to 6 V, IOL = 50 mA 35 mW
Pd (seg) 2 b&e VDD = 4.5 to 6 V, IOL = 33 mA 30 V
Pd (seg) 3 Other outputs, VDD = 6.0 to 10 V,
IOL = 18mA		 15 mW
Pd (seg) 4 PM VDD = 6.0 to 10 V, IOL = 54 mA

38

 mW
Pd (seg) 5 b&e VDD = 6.0 to 10 V, IOL = 36 mA 25 mW
Pd (seg) 6 Other outputs VDD = 6.0 to 10 V,
IOL = 18 mA		 13 mW
Operating temperature Topr   30 to +65 °C
Storage temperature Tstg   40 to +125 °C



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