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AT42QT1070-SSUR Electronic IC Chips Capacitive Touch Buttons 14-SOIC
Specifications of AT42QT1070-SSUR
| TYPE | DESCRIPTION |
| Category | Integrated Circuits (ICs) |
| Interface | |
| Sensor, Capacitive Touch | |
| Mfr | Microchip Technology |
| Series | QTouch™ |
| Package | Tape & Reel (TR) |
| Cut Tape (CT) | |
| Type | Buttons |
| Proximity Detection | No |
| Number of Inputs | Up to 7 |
| LED Driver Channels | Up to 5 |
| Interface | I²C |
| Resolution | - |
| Voltage - Supply | 1.8V ~ 5.5V |
| Current - Supply | - |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOIC |
| Base Product Number | AT42QT1070 |
Features of AT42QT1070-SSUR
* Configurations:
* Comms mode
* Standalone mode
* Number of Keys:
* Comms mode: 1 – 7 keys (or 1 – 6 keys plus a Guard Channel)
* Standalone mode: 1 – 4 keys plus a fixed Guard Channel on key 0
* Number of I/O Lines:
* Standalone mode: 5 outputs
* Technology:
* Patented spread-spectrum charge-transfer
* Key Outline Sizes:
* 6 mm x 6 mm or larger (panel thickness dependent); widely
different sizes and shapes possible
* Layers Required:
* One
* Electrode Materials:
* Etched copper; Silver; Carbon; Indium Tin Oxide (ITO)
* Panel Materials:
* Plastic; Glass; Composites; Painted surfaces (low particle
density metallic paints possible
* Panel Thickness:
* Up to 10 mm glass; Up to 5 mm plastic (electrode size dependent)
* Key Sensitivity:
* Comms mode: individually settable via simple commands over I2
C-compatible interface
* Standalone mode: settings are fixed
* Interface:
* I2C-compatible slave mode (400 kHz). Discrete detection outputs
* Signal Processing:
* Self-calibration
* Auto drift compensation
* Noise filtering
* Adjacent Key Suppression® (AKS®) – up to three groups possible
* Power:
* 1.8 V – 5.5 V
* Package:
* 14-pin SOIC RoHS compliant IC
* 20-pin VQFN RoHS compliant IC
Applications of AT42QT1070-SSUR
The AT42QT1070 (QT1070) is a digital burst mode charge-transfer
(QT™) capacitive sensor driver. The device can sense from one to
seven keys, dependent on mode.
Environmental & Export Classifications of AT42QT1070-SSUR
| ATTRIBUTE | DESCRIPTION |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8542.31.0001 |
