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FDC1004-Q1 Folha de dados(PDF) 1 Page - Texas Instruments |
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FDC1004-Q1 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 29 page 3.3 V 3.3 V 3.3 V 3.3 V I2C Peripheral MCU GND VDD Environmental Sensor Liquid Sensor Level Sensor Offset and Gain Calibration Excitation FDC1004Q Capacitance to Digital Converter CHA MUX CHB MUX CAPDAC SHLD1 SHLD2 CIN1 CIN2 CIN3 CIN4 I 2C Configuration and Data Registers SCL SDA GND VDD CHA CHB Product Folder Sample & Buy Technical Documents Tools & Software Support & Community FDC1004Q SNOSCZ4 – APRIL 2015 FDC1004Q 4-Channel Capacitance-to-Digital Converter for Capacitive Sensing Solutions 1 Features 3 Description Capacitive sensing with grounded capacitor sensors 1 • Qualified for Automotive Applications is a very low-power, low-cost, high-resolution contact- • AEC-Q100 Qualified With the Following Results less sensing technique that can be applied to a – Device Temperature Grade 1: -40°C to 125°C variety of applications ranging from proximity sensing Ambient Operating Temperature Range and gesture recognition to material analysis and remote liquid level sensing. The sensor in a – Device HBM ESD Classification Level 2 capacitive sensing system is any metal or conductor, – Device CDM ESD Classification Level C5 allowing for low cost and highly flexible system • Input Range: ±15 pF design. • Measurement Resolution: 0.5 fF The FDC1004Q is a high-resolution, AEC-Q100 • Maximum Offset Capacitance: 100 pF qualified, 4-channel capacitance-to-digital converter for implementing capacitive sensing solutions. Each • Programmable Output Rates: 100/200/400 S/s channel has a full scale range of ±15 pF and can • Maximum Shield Load: 400 pF handle a sensor offset capacitance of up to 100 pF, • Supply Voltage: 3.3 V which can be either programmed internally or can be an external capacitor for tracking environmental • Temp Range: –40° to 125°C changes over time and temperature. The large offset • Current Consumption: capacitance capability allows for the use of remote – Active: 750 µA sensors. – Standby: 29 µA The FDC1004Q also includes shield drivers for • Interface: I2C sensor shields, which can reduce EMI interference and help focus the sensing direction of a capacitive • Number of Channels: 4 sensor. The small footprint of the FDC1004Q allows for use in space-constrained applications. The 2 Applications FDC1004Q is available in a 10-pin VSSOP package, • Proximity Sensor which allows for optical inspection in production, and • Gesture Recognition features an I2C interface for interfacing to an MCU. • Automotive Door / Kick Sensors Device Information(1) • Automotive Rain Sensor PART NUMBER PACKAGE BODY SIZE (NOM) • Remote and Direct Liquid Level Sensor FDC1004Q VSSOP (DGS) 3.0 mm x 3.0 mm • High-resolution Metal Profiling (1) See the orderable addendum at the end of the datasheet for • Rain / Fog / Ice / Snow Sensor orderable part numbers. • Material Size Detection 4 Typical Application 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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