Datasheet > SX9500

SX9500

更新时间： 2024-09-23 11:58:39

品牌	Logo	应用领域
商升特 - SEMTECH		/
页数	文件大小	规格书
31页	859K
描述
Ultra Low Power, Capacitive Four (4) - Channel Proximity/Button

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SX9500 数据手册

SX9500

Ultra Low Power, Capacitive

Four (4) - Channel Proximity/Button

DATASHEET

WIRELESS & SENSING

ENERAL

ESCRIPTION

KEY PRODUCT FEATURES

2.7 – 5.5V Input Supply Voltage

Capacitive Sensor Inputs

The SX9500 is a low-cost, very low power 4-channel

capacitive controller that can operate either as a proximity

or button sensor. The SX9500 includes sophisticated on-

chip auto-calibration circuitry to regularly perform sensitivity

adjustments, maintaining peak performance over a wide

variation of temperature, humidity and noise environments,

providing simplified product development and enhanced

performance.

∑

4 fF Capacitance Resolution

∑

Stable Proximity & Touch Sensing With Temperature

Capacitance Offset Compensation to 30pF

Active Sensor Guarding

Automatic Calibration

Ultra Low Power Consumption:

A dedicated transmit enable (TXEN) pin is available to

synchronize capacitive measurements for applications that

require synchronous detection, enabling very low supply

current and high noise immunity by only measuring

proximity when requested.

∑

Active Mode:

Doze Mode:

Sleep Mode:

170 uA

18 uA

2.5 uA

400KHz I2C Serial Interface

∑

Four programmable I2C Sub-Addresses

The SX9500 operates directly from an input supply voltage

of 2.7 to 5.5V, and includes a separate I2C serial bus

supply input to enable communication with 1.8 – 5.5V

hosts. The I2C serial communication bus reports proximity

or touch detection and is used to facilitate parameter

settings adjustment. Upon a proximity detection, the NIRQ

output asserts, enabling the user to either determine the

relative proximity distance, or simply obtain an indication of

detection. The serial bus can also serve to overwrite

detection thresholds and operational settings in the event

the user wants to change them from their factory presets.

∑

Input Levels Compatible with 1.8V Host Processors

Open Drain NIRQ Interrupt pin

Three (3) Reset Sources: POR, NRST pin, Soft

Reset

-40°C to +85°C Operation

Compact Size: 3 x 3mm Thin QFN package

Pb & Halogen Free, RoHS/WEEE compliant

PPLICATIONS

•

Notebooks

Tablets

Mobile Appliances

RDERING INFORMATION

Marki

ZND8

Semtech P/N

Package

SX9500IULTRT ^Note1

QFN-20

Eval. Kit

SX9500EVK

Note 1: Quantities are ordered in 3K units per Reel

TYPICAL APPLICATION CIRCUIT

Figure 1: Typical Application Circuit

Revision 1.6 June 27, 2012

www.semtech.com

12 3 4 5 6 7...31

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与SX9500相关器件

型号	品牌	获取价格	描述	数据表
SX9500EVK	SEMTECH	获取价格	Ultra Low Power, Capacitive Four (4) - Channel Proximity/Button
SX9500EVKA	SEMTECH	获取价格	Ultra Low Power, Four Channels Capacitive Proximity/Button Solution with Dedicated Outputs
SX9500IULTRT	SEMTECH	获取价格	Ultra Low Power, Capacitive Four (4) - Channel Proximity/Button
SX9501	SEMTECH	获取价格	Ultra Low Power, Four Channels Capacitive Proximity/Button Solution with Dedicated Outputs
SX9501IULTRT	SEMTECH	获取价格	Ultra Low Power, Four Channels Capacitive Proximity/Button Solution with Dedicated Outputs
SX9510	SEMTECH	获取价格	8 Capacitive Buttons, LEDs, IR Decoder and Proximity Controller with Analog Outputs
SX9510ETSTRT	SEMTECH	获取价格	8 Capacitive Buttons, LEDs, IR Decoder and Proximity Controller with Analog Outputs
SX9510EVK	SEMTECH	获取价格	8 Capacitive Buttons, LEDs, IR Decoder and Proximity Controller with Analog Outputs
SX9510EWLTRT	SEMTECH	获取价格	8 Capacitive Buttons, LEDs, IR Decoder and Proximity Controller with Analog Outputs
SX9511	SEMTECH	获取价格	8 Capacitive Buttons, LEDs, IR Decoder and Proximity Controller with Analog Outputs

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