NT7501H-BDT 데이터 시트보기 (PDF) - Novatek Microelectronics
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NT7501H-BDT Datasheet PDF : 38 Pages
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NT7501
Pad Description
Power Supply
Pad No.
20 - 26
35 - 42
Symbol
VDD
VSS
63 - 64
V0
65 - 66
V1
67 - 68
V2
69 - 70
V3
71 - 72
V4
I/O
Description
Supply 2.4 - 3.5V power supply input. These pads must be connected to each other
Supply Ground input. These pads must be connected to each other
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.
47 - 48
49 - 50
51 - 52
53 - 54
45 - 46
12, 61 - 62, 77
9, 15, 59 - 60,
73 - 74
43 - 44
55 - 56
Symbol
CAP1-
CAP1+
CAP2-
CAP2+
CAP3+
VDD
VSS
VOUT
V0
57 - 58
VR
75 - 76
TPS0, TPS1
I/O
O
O
O
O
O
Supply
Description
Capacitor 1- pad for internal DC/DC voltage converter
Capacitor 1+ pad for internal DC/DC voltage converter
Capacitor 2- pad for internal DC/DC voltage converter
Capacitor 2+ pad for internal DC/DC voltage converter
Capacitor 3+ pad for internal DC/DC voltage converter
Used for pad option or to connect to power filter capacitor
Supply Used for pad option or to connect to power filter capacitor
O
DC/DC voltage converter output
O
Connect to Rb
I
Voltage adjustment pad. Applies voltage between V0 and VSS using a
resistive divider
I
Selects the temperature coefficient of the reference voltage
4
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