Electronic Components Datasheet Search |
|
BU97981KV-E2 Datasheet(PDF) 1 Page - Rohm |
|
BU97981KV-E2 Datasheet(HTML) 1 Page - Rohm |
1 / 50 page ○ Product structure:Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays. 1/46 TSZ02201-0A2A0D300110-1-2 10.Apr.2015 Rev.006 www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. TSZ22111・14・001 Multi-function LCD Segment Drivers BU97981xxx Series MAX 196 Segments (SEG49xCOM4) Features Integrated RAM for Display Data (DDRAM): 49 x4 Bit (Max 196 Segment) LCD Drive Output: 4 Common Output, Max 49 Segment Output Integrated 3ch LED Driver Circuit Segment/ LED (Max 3port) Output Mode Selectable Segment/ GPO (Max 31port) Output Mode Selectable Support PWM Generation from Ext. or Internal Clock (Resolution: 8bit Mode/12bit Mode Selectable) Support Standby Mode Integrated Power-on-Reset Circuit (POR) Integrated Oscillator Circuit No External Component Low Power Consumption Design Independent Power Supply for LCD Driving Support Blink Function (Blink Frequency 1.6, 2.0, 2.6, 4.0Hz selectable) Applications Telephone FAX Portable Equipment (POS, ECR, PDA etc.) DSC DVC Car audio Home Electrical Appliance Meter Equipment etc. Key Specifications ■ Supply Voltage Range: +1.8V to +3.6V ■ LCD Drive Power Supply Range: +3.3V to +5.5V ■ Operating Temperature Range: -30°C to +75°C ■ Max Segments: BU97981KV 196 Segments BU97981MUV 168 Segments BU97981GU 196 Segments ■ Max GPO Outputs: BU97981KV 31port BU97981MUV 27port BU97981GU 31port ■ Max LED Drive Outputs: BU97981KV 3port BU97981MUV 3port BU97981GU 3port ■ Display Duty: Static. 1/3, 1/4 Selectable ■ Bias: Static, 1/3 ■ Integrated Regulator for LCD Drive: 3.2, 3.3, 3.4, 4.4, 4.5, 4.6, 5.0V Selectable ■ Interface: 3wire Serial Interface Typical Application Circuit BU97981KV LED/GPO using case LED : 3port GPO : 5port LCD :164seg *Reading resistor value Please detect the value according to inpu curremt value. (cuurent MAX = 20mA) 5.0V 3.3V VLCD VDD CLKIN CSB SCL SD VSS1 BU97981KV LCD COM0 to COM3 SEG0 to SEG40 SEG48 (LED1) Input signal from cintroller * CLKIN Extenal CLK input terminal In case being unused, connect to VSS or be opened. INHb VSS2 TEST1 VLED SEG45(GPO1) to SEG41(GPO5) Other device SEG47 (LED2) SEG46 (LED3) Figure 1. Typical Application Circuit Datasheet |
Similar Part No. - BU97981KV-E2 |
|
Similar Description - BU97981KV-E2 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |