ROHM Product Detail

BU9794AKV
Standard LCD Segment Driver

ROHM的标准机能SEG驱动器适合于80SEG到280SEG的 液晶SEG驱动。内置显示用的RAM，可以减少微型电脑负荷， 消耗电流及周边零件，实现了极大的节能设计。

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* 本产品是标准级的产品。
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主要规格

 
型号 | BU9794AKV-E2
Status | 推荐品
封装 | VQFP64
包装形态 | Taping
包装数量 | 1000
最小独立包装数量 | 1000
RoHS | Yes

特性：

Grade

Consumer

Segment Element

200

Duty

1/4

Bias

1/3, 1/2

Elements of MUX 1:4

200

Interface [line serial]

3wire

Interface Voltage (Min.)[V]

2.5

Interface Voltage (Max.)[V]

5.5

Power Supply for LCD (Min.) [V]

2.5

Power Supply for LCD (Max.) [V]

5.5

LCD Driving Waveform

Line/Frame

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Package Size [mm]

12x12 (t=1.6)

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特点：

  • 1/4duty driving: Max 200 segments
  • Integrated display data RAM: 50 x 4bit
  • 1/3 or 1/2 bias setting selectable
  • Power supply for Interface: 2.5V to 5.5V
  • Power supply for LCD: 2.5V to 5.5V
  • Integrated LCD voltage driving circuit
  • Integrated oscillation circuit for LCD frame frequency
  • Line or Frame inversion driving selectable
  • Support 3 wire serial interface
  • Support INHb terminal to control Display ON/OFF
  • Integrated power on reset circuit
  • No external components required
  • Low power consumption design
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