Standard LCD Segment Driver - BU9794AKV

ROHM的標準功能區段驅動器最適合使用於80 Segment到280 Segment的液晶區段驅動。內建機種顯示用的RAM,除了可減少微處理器的負擔,更可實現將消耗電流及週邊元件抑制到最低限度的節能設計。

* 本產品是標準級的產品。本產品不建議使用的車載設備。
料號 | BU9794AKV-E2
狀態 | 推薦品
封裝 | VQFP64
單位數量 | 1000
最小包裝數量 | 1000
包裝形式 | Taping
RoHS | Yes

規格:

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.)[℃]

-40

Operating Temperature (Max.)[℃]

85

功能:

  • 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