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FDC1004QDGSTQ1 Datasheet(PDF) 1 Page - Texas Instruments

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Part # FDC1004QDGSTQ1
Description  4-Channel Capacitance-to-Digital Converter
Download  29 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

FDC1004QDGSTQ1 Datasheet(HTML) 1 Page - Texas Instruments

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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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