uPD16781
DESCRIPTION
The µ PD16781 is a source driver for 480-output TFT-LCDs, providing support for only striped pixel array LCD. The driver consists of a shift register for generating the sampling timing and sample & hold circuits for sampling the analog voltage. The high picture quality obtained by the alternate sample & hold execution of the two types of on-chip sample & hold circuits enables employment in applications such as car navigation panels.
FEATURES
- 5.0 V Drive (Dynamic range 4.6 VP-P, VDD2 = 5.0 V)
- 480 Output channel
- f CLK = 20 MHz MAX. (VDD1 = 3.0 V)
- 1-phase/3-phase sampling clocks supported
- Corresponds only to LCD of Stripe array color filter
- Two on-chip sample-and-hold circuits
- Small output deviation between pins (deviation between chip pins: ±20 m V MAX.)
- Switch between right and left shift using the R,/L pin
- Logic power supply voltage (VDD1): 3.0 to 5.5 V
- Driver power supply voltage(VDD2): 5.0 ± 0.5 V
Remark /xxx indicates active low signal.
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