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Low voltage SEMTECH SX9324ICSTRT proximity sensor with SAR control and intelligent detection engine

Categories Proximity Sensors
Operating Temperature: -40℃~+85℃
Interface: -
Sensing Range: -
Voltage - Supply: 1.7V~2V
Type: I2C
Description: I2C UFBGA-8 Proximity Sensors RoHS
Mfr. Part #: SX9324ICSTRT
Model Number: SX9324ICSTRT
Package: UFBGA-8
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Low voltage SEMTECH SX9324ICSTRT proximity sensor with SAR control and intelligent detection engine

Product Overview

The SX9324 is an ultra-low power, smart proximity sensor designed for Specific Absorption Rate (SAR) control. It utilizes two sensor inputs and an intelligent engine to accurately differentiate between inanimate objects and the human body. This capability is crucial for portable electronic devices to reduce and manage radio-frequency (RF) emission power when a human body is present, helping manufacturers meet stringent emission regulations and SAR standards. The device operates from a low supply voltage and communicates via an I2C serial bus, offering programmable interrupt functionality and on-chip auto-calibration for consistent performance across varying environmental conditions.

Product Attributes

  • Brand: Semtech
  • Certifications: Pb & Halogen Free, RoHS/WEEE compliant

Technical Specifications

ParameterSymbolMinTyp.MaxUnitNotes
Input Supply VoltageVDD1.72V
Active Mode Current Consumption2245uASCANPERIOD = 30ms, FREQ = 100kHz, RESOLUTION = 64, PHEN = 0001
Doze Mode Current Consumption614uASCANPERIOD = 400ms, FREQ = 100kHz, RESOLUTION = 64, PHEN = 0001
Sleep Mode Current Consumption1.75uAPower down. (I2C listening) PHEN = 0000
Measurement Range (Low Gain)CRANGEL-1.325pFAGAIN=1000, GAIN01/23=001, ARANGE01/23 = 0/Small
Measurement Range (High Gain)CRANGEH2.65pFAGAIN=1000, GAIN01/23=001, ARANGE01/23 = 1/Large
Measurement Resolution (Low Gain)CRESL0.004fFAGAIN=0110, GAIN01/23=100, ARANGE01/23 = 0/Small
Measurement Resolution (High Gain)CRESH0.008fFAGAIN=0110, GAIN01/23=100, ARANGE01/23 = 1/Large
Capacitive Sensing Interface - External DC Cap. to Ground per Measurement PhaseCDC200pF
I2C Serial Interface Speed400kHz
Operating TemperatureTA-4085C
Package TypeWLCSP0.92 x 1.69 mm
Part NumberSX9324ICSTRT3000 Units/reel

2411220302_SEMTECH-SX9324ICSTRT_C6689390.pdf

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