AT42QT1040-MMHR IC Sensors by Microchip Technology
| Status: | Active |
|---|---|
| Series: | AT42QT1040 |
| RoHS: | Compliant |
Where to Buy
Prices starting from US$1.21
| Distributor | Stock | ||
|---|---|---|---|
|
Microchip Technology
from US$1.21
|
124,285
in stock
|
Buy Now |
|
Avnet America
from US$1.48
|
6,000
in stock
|
Buy Now |
|
element14
from US$1.52
|
3,575
in stock
|
Buy Now |
|
Farnell
from US$1.46
|
3,575
in stock
|
Buy Now |
|
Newark Electronics
from US$1.23
|
1,322
in stock
|
Buy Now |
|
Future Electronics
from US$1.58
|
0
in stock
|
Buy Now |
|
TME
from US$1.32
|
0
in stock
|
Buy Now |
|
Ozdisan
from US$1.75
|
0
in stock
|
Buy Now |
|
Richardson RFPD
-
|
0
in stock
|
Buy Now |
|
EBV Elektronik
-
|
0
in stock
|
Buy Now |
|
Avnet Silica
-
|
0
in stock
|
Buy Now |
| Buy Now |
Features
| Four discrete outputs indicating individual key touch |
| Technology: Patented spread-spectrum charge-transfer (direct mode) |
| Electrode Design: Simple self-capacitance style |
| Electrode Materials: Etched copper, silver, carbon, Indium Tin Oxide (ITO) |
| Electrode Substrates: PCB, FPCB, plastic films, glass |
| Panel Materials: Plastic, glass, composites, painted surfaces (low particle density metallic paints possible) |
| Panel Thickness: Up to 10 mm glass, 5 mm plastic (electrode size dependent) |
| Key Sensitivity: Fixed key threshold, sensitivity adjusted via sample capacitor value |
| Patented Adjacent Key Suppression® (AKS®) technology to enable accurate key detection |
| Interface: Pin-per-key outputs, plus debug mode to observe sensor signals |
| Moisture Tolerance: Increased moisture tolerance based on hardware design and firmware tuning |
| Signal Processing: Self-calibration, auto drift compensation, noise filtering |
| Applications: Mobile, consumer, white goods, toys, kiosks, POS |
| Power: 1.8 V – 5.5 V |
| Package: 20-pin 3 x 3 mm VQFN RoHS compliant |
Specifications
| Product Type | Proximity/Keys/Slider |
|---|---|
| Input Channels | 4 |
| Max Number of keys | 4 |
| Slider | No |
| Proximity detection | No |
| Output Channels | 0 |
| Measurement Principle | E-Field |
| Report Rate (pps) | 0 |
| Number of Touches | 0 |
| Power Modes | 0 |
| Interface | Digital Output |
| I/O, LED Drivers | 0 |
| Other Features | Signal Guard/Driven Shield |
| Temp Range | Array |
| Voltage Min. (V) | 1.80 |
| Voltage Max. (V) | 5.50 |
| Pins | Packaging | 20 | VQFN |
| Packing Media | Tape and reel (6000) |
Last 6 months Inventory & Pricing History
Resources
Data Sheets |
|---|
| AT42QT1040 - Complete Datasheet |
Environmental Information
| JEDEC Indicator | e4 |
|---|---|
| ROHS | Compliant |
| China EFUP | Compliant |
| Device Weight (g) | 0.0189 |
| Shipping Weight (kg) | 0.105 |
| Lead Count | 20 |
| Package Type | VQFN |
| Package Width or Size | 3x3x0.85mm |
| Soldering Composition | NiPdAu |
Alternative Descriptions
| INTEGRATED-CIRCUIT | Microchip Technology |
| Capacitive Touch Sensor, Qtouch?, 4 Channels, Serial, 1.8 V, 5.5 V, VQFN | Avnet America |
| CAPACITIVE TOUCH SENSOR, SERIAL, VQFN-28 | element14 |
| Capacitive Touch Sensor, Serial, Vqfn-28 | Newark Electronics |
| AT42QT1040 Series 5.5 V 10 mA Four-key QTouch® Touch Sensor IC - VQFN-20 | Future Electronics |
| IC: driver | TME |
| Capacitive Touch Screen 4 Key 20-Pin VQFN EP T/R | Richardson RFPD |
| Capacitive Touch Sensor, Qtouch�, 4 Channels, Serial, 1.8 V, 5.5 V, VQFN | EBV Elektronik |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a AT42QT1040-MMHR?
Additional datasheets, footprints and schematics for AT42QT1040-MMHR are listed on our Part Details page. You can also find images and similar parts to AT42QT1040-MMHR on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for AT42QT1040-MMHR on our Product Comparison page. Access via the 'View Pricing & Stock' button to view AT42QT1040-MMHR price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does AT42QT1040-MMHR fall under?
The AT42QT1040-MMHR is listed under Semiconductors - ICs > IC Sensors > Capacitive Touch Sensors.
Can I view similar or alternative parts?
You can view similar parts to AT42QT1040-MMHR when available in the Capacitive Touch Sensors range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the AT42QT1040-MMHR you can contact the distributor directly for product support, shipping queries etc.
Is the AT42QT1040-MMHR RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Microchip Technology.
Which authorised distributors for AT42QT1040-MMHR have stock available?
Authorised distributors including Microchip Technology, Avnet America, element14, Farnell and Newark Electronics have stock available or on a lead time for AT42QT1040-MMHR.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for AT42QT1040-MMHR often in real-time on the comparison pages.
What if I can't find stock of AT42QT1040-MMHR?
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