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75834JE

Features: • Supports both 1/4 duty 1/2 bias and 1/4 duty 1/3 bias LCD drive under serial data control. LC75834E, LC75834W: up to 136 segments LC75834JE: up to 120 segments (without the S9, S18, S27, S34 segment output pins from the LC75834E, LC75834W)• Serial data input supports CCB* f...

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SeekIC No. : 004252125 Detail

75834JE: Features: • Supports both 1/4 duty 1/2 bias and 1/4 duty 1/3 bias LCD drive under serial data control. LC75834E, LC75834W: up to 136 segments LC75834JE: up to 120 segments (without the S9, S18...

75834JE Data Sheet

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Part Number:
75834JE
Supply Ability:
5000

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  • 1~5000
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  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/28

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Product Details

Description



Features:

• Supports both 1/4 duty 1/2 bias and 1/4 duty 1/3 bias LCD drive under serial data control. LC75834E, LC75834W: up to 136 segments LC75834JE: up to 120 segments
   (without the S9, S18, S27, S34 segment output pins from the LC75834E, LC75834W)
• Serial data input supports CCB* format communication with the system controller.
• Serial data control of the power-saving mode based backup function and all the segments forced off function
• Serial data control of switching between the segment output port and the general-purpose output port functions
• High generality, since display data is displayed directly without decoder intervention.
• Independent VLCD for the LCD driver block (VLCD can be set to any voltage in the range 2.7 to 6.0 volts, regardless of the logic block power-supply voltage.)
• The INH pin can force the display to the off state.
• RC oscillator circuit


Pinout

Connection Diagram




Specifications

Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
VDD
0.3 to +7.0
V
VLCD max
VLCD
0.3 to +7.0
V
Input voltage
VIN 1
CE, CL, DI, INH
0.3 to +7.0
V
VIN 2
OSC
0.3 to VDD + 0.3
V
VIN 3
VLCD 1, VLCD 2
0.3 to VLCD + 0.3
V
Output voltage
VOUT 1
OSC
0.3 to VDD + 0.3
V
VOUT 2
S1 to S34, COM1 to COM4, P1 to P8
0.3 to VLCD + 0.3
V
Output current
IOUT 1
S1 to S34
300
A
IOUT 2
COM1 to COM4
3
mA
IOUT 3
P1 to P8
5
mA
Allowable power dissipation
Pd max
Ta = 85°C
150
mW
Operating temperature
Topr
40 to +85
°C
Storage temperature
Tstg
55 to +125
°C
Note: The LC75834JE do not have the S9, S18, S27 S34 output pins.


Description

The LC75834E, LC75834W, and LC75834JE are 1/4-duty general-purpose LCD drivers that can be used for frequency display in electronic tuners under the control of a microcontroller. The LC75834E and LC75834W can drive an LCD with up to 136 segments directly, the LC75834JE can drive an LCD with up to 120 segments directly. The LC75834E and LC75834W and LC75834JE can also control up to 8 general-purpose output ports. Since the LC75834E, LC75834W, and LC75834JE use separate power supply systems for the LCD drive block and the logic block, the LCD driver block power-supply voltage can be set to any voltage in the range 2.7 to 6.0 volts, regardless of the logic block power-supply voltage.




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