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NT7501H-BDT Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers |
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NT7501H-BDT Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers |
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4 / 38 page  NT7501 4 Pad Description Power Supply Pad No. Symbol I/O Description 20 - 26 VDD Supply 2.4 - 3.5V power supply input. These pads must be connected to each other 35 - 42 VSS Supply Ground input. These pads must be connected to each other 63 - 64 65 - 66 67 - 68 69 - 70 71 - 72 V0 V1 V2 V3 V4 Supply LCD driver supply voltages. The voltage determined by the LCD cell is impedance-converted by a resistive driver or an operation amplifier for application. Voltages should have the following relationship: V0 ≥ V1 ≥ V2 ≥ V3 ≥ V4 ≥ VSS When the on-chip operating power circuit is on, the following voltages are given to V1 to V4 by the on-chip power circuit. Voltage selection is performed by the Set LCD Bias command V1 V2 V3 V4 4/5V0, 5/6V0 3/5V0, 4/6V0 2/5V0, 2/6V0 1/5V0, 1/6V0 LCD Driver Supplies Pad No. Symbol I/O Description 47 - 48 CAP1- O Capacitor 1- pad for internal DC/DC voltage converter 49 - 50 CAP1+ O Capacitor 1+ pad for internal DC/DC voltage converter 51 - 52 CAP2- O Capacitor 2- pad for internal DC/DC voltage converter 53 - 54 CAP2+ O Capacitor 2+ pad for internal DC/DC voltage converter 45 - 46 CAP3+ O Capacitor 3+ pad for internal DC/DC voltage converter 12, 61 - 62, 77 VDD Supply Used for pad option or to connect to power filter capacitor 9, 15, 59 - 60, 73 - 74 VSS Supply Used for pad option or to connect to power filter capacitor 43 - 44 VOUT O DC/DC voltage converter output 55 - 56 V0 O Connect to Rb 57 - 58 VR I Voltage adjustment pad. Applies voltage between V0 and VSS using a resistive divider 75 - 76 TPS0, TPS1 I Selects the temperature coefficient of the reference voltage |
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