Microchip ATMXT144UD-SL Bruksanvisning
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ATMXT144UD-SL
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2022 Microchip Technology Inc. and its subsidiaries Product Brief DS40002447A-page 1
mXT144UD-AMTSL/
mXT144UD-AMBSL 1.0
Description
The mXT144UD-AMxSL 1.0 uses a unique charge-transfer acquisition engine to implement Microchip’s patented capacitive
sensing method. Coupled with a state-of-the-art CPU, the entire sensor sensing solution can measure, classify and track a
number of individual finger touches with a high degree of accuracy in the shortest response time. The mXT144UD-AMxSL 1.0
allows for both mutual and self capacitance measurements, with the self capacitance measurements being used to augment the
mutual capacitance measurements to produce reliable touch information.
Automotive Applications
maXTouch
®
Adaptive Sensing Technology
Keys
Touch Sensor Technology
•On-cell/touch-on display support including OLED, TFT
and LCD (ITPS, IPS)
•Discrete/out-cell support including glass and PET film-
based sensors
•Synchronization with display refresh timing capability
•Support for slider touch sensor patterns designed
following Microchip guidelines (review of designs by
Microchip or a Microchip-qualified touch sensor
module partner is recommended)
Front Panel Material
Touch Performance
•Moisture/Water Compensation
- No false touch with condensation or water drop
up to 22 mm diameter
- One-finger tracking with condensation or water
drop up to 22 mm diameter
•Mutual capacitance and self capacitance
measurements supported for robust touch detection
•P2P mutual capacitance measurements supported for
extra sensitive multi-touch sensing
•Noise suppression technology to combat ambient and
power-line noise
•Burst Frequency
- Flexible and dynamic Tx burst frequency selection
to reduce EMC disturbance
- Configurable Tx waveform shaping to reduce
emissions
•Scan Speed
- Typical report rate for 5 touches 120 Hz (subject
to configuration)
- Initial touch latency <6 ms for first touch from idle
(subject to configuration)
•AEC-Q100 Qualified
•CISPR 25 compliant (for both mutual and self
capacitance measurements)
•Up to 12 X (transmit) lines and 12 Y (receive) lines for
use by a slider and/or key array
•A maximum of 144 nodes can be allocated to the
touch sensor
•Slider length 936 mm, assuming a sensor electrode
pitch of 6.5 mm. Other lengths are possible with
different electrode pitches and appropriate sensor
material
•Multiple touch support with up to 10 concurrent
touches tracked in real time
•Up to 16 nodes can be allocated as mutual
capacitance sensor keys in addition to the slider,
defined as 1 key array (subject to availability of X and
Y lines and other configurations)
•Adjacent Key Suppression (AKS) technology is
supported for false key touch prevention
•Works with PET or glass, including curved profiles
(configuration and stack-up to be approved by
Microchip or a Microchip-qualified touch sensor
module partner)
•10 mm glass (or 5 mm PMMA) with bare finger
(dependent on sensor size, touch size, configuration
and stack-up)
•6 mm glass (or 3 mm PMMA) with multi-nger 5 mm
glove (2.7 mm PMMA equivalent) (dependent on
sensor size, touch size, configuration and stack-up)
- Up to 240 V
PP
between 1 Hz and 1 kHz sinusoidal
waveform (no touches)
- Up to 20 V
PP
between 1 kHz and 1 MHz
sinusoidal waveform
maXTouch 144-node Touch Slider Controller
Product Brief
Produkspesifikasjoner
| Merke: | Microchip |
| Kategori: | Ikke kategorisert |
| Modell: | ATMXT144UD-SL |
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