lc75821e Sanyo Semiconductor Corporation, lc75821e Datasheet - Page 9

• Manufacturer Part Number: lc75821e
• Description: Lcd Display Drivers
• Manufacturer: Sanyo Semiconductor Corporation

Oscillator Frequency
Refer to the figure below when determining the oscillator frequency.
Recommended range for external resistance:
Recommended range for external capacitance: 330 to 3300 pF
Power supply voltage, V DD – V
Figure 1 LC75821E, 75821W Oscillator Frequency vs. CR Constant
Figure 2 LC75821E, 75821W Oscillator Frequency vs. V
Resistance capacitance value, CR
10 to 100 k (Carbon resistance)
330 to 820 pF: (Ceramic capacitance with a zero temperature coefficient)
1000 to 3300 pF: (Mylar capacitance with a positive temperature
LC75821E, 75821W
coefficient)
10 –5 (s)
Ambient temperature, Ta – °C
DD
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