BU21051FS-E2 Rohm Semiconductor, BU21051FS-E2 Datasheet
BU21051FS-E2
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BU21051FS-E2 Summary of contents
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... Capacitive Sensor Control IC Series Capacitive Sensor Switch Control IC BU21051FS ●Description BU21051FS are the capacitive sensor controller with 2ch respectively. The IC has the port interface and easy to replace the point of switch to this controller. ●Features 1) Port output interface 2) Few software control 3) 2ch GPIO outputs ...
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... BU21051FS ●Electrical characteristics(Especially, Topr=25℃ and AVDD=DVDD=0 as long as it doesn't specify it.) PARAMETER SYMBOL DC characteristics Input“H”voltage V IHIO Input“L”voltage V ILIO Output“H”voltage V OL Output“L”voltage I IZ Input leakage current I OZ Output leakage current I ST Standby current I DD ● ...
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... BU21051FS ●Block Diagram, Pin configuration ●Sensor I/F CV Conversion Circuit: This part selects target sensor and converts its capacitance to a voltage signal. Specifically, alleight sensors are selected one-by-one and their capacity is compared to a common referencecapacity. Each difference value is converted to a certain voltage signal. ...
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... BU21051FS ●Pin Description Pin Name I/O Function No 1 DVDD Power Digital part Power supply Digital part Power supply 2 GND Ground Ground 3 SREF AIn Standard capacitor input 4 SIN1 AIn Sensor input1 5 N. connect 6 SIN2 AIn Sensor input 2 Sensor ON threshold 7 THON AIn voltage input ...
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... BU21051FS 【Filter selection】 The noise filter effect can be selected If “Strong” is selected, noise will get down, but the reaction time will be longer. Sensor ON threshold FILTER = ” L ” : filter effect → under ●Setting method 1)Please for the first time in a minimum gain. ...
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... BU21051FS ●Ordering number Part No Part No SSOP-A16 6.6 ± 0.2 (MAX 6.95 include BURR 0.36 ± 0.1 0.1 0.8 www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved Package FS：SSOP-A16 <Tape and Reel information> Tape Embossed carrier tape Quantity 2500pcs E2 Direction The direction is the 1pin of product is at the upper left when you hold ...
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