Microchip Technology AT42QT1040-MMHR Sensors
IC TOUCH SENSOR 4KEY 20-VQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT42QT1040-MMHR
Category
Base Model
Detailed Description
IC TOUCH SENSOR 4KEY 20-VQFN
Package
VQFN-20
Lifecycle Status
Active
Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT42QT1040-MMHR Sensors technical specifications.
General
Series
AT42QT1040
RoHS
Yes
Number of Channels
4 Channel
Supply Voltage
1.8 V ~ 5.5 V
Sensor Type
Button, Slider, Proximity
Interface Type
I2C
Minimum Operating Temperature C
- 40
Maximum Operating Temperature C
+ 85
Moisture Sensitive
Yes
Collector Emitter Saturation Voltage
1.8 V to 5.5 V
Alternate Parts Comparison (AT42QT1040-MMHR vs AT42QT1245-AU vs AT42QT1011-TSHR vs AT42QT1111-MU)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Supply Voltage | 1.8 V ~ 5.5 V | 3V ~ 5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Number of Channels | 4 Channel | 24 Channel | 1 Channel | 11 Channel |
| RoHS | Yes | Yes | Yes | Yes |
| Interface Type | I2C | SPI | Digital, Active High | SPI |
| Package | VQFN-20 | 32-TQFP | SOT-23-6 | VFQFN-32 |
| Sensor Type | Button, Slider, Proximity | Button | Button | Button |
| Package / Case | -- | 32-TQFP | SOT-23-6 | 32-VFQFN Exposed Pad |
| Mounting Type | -- | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -- | -40°C ~ 105°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Lifecycle Status | -- | Active | Active | Obsolete |
| Current Supply | -- | 6.6mA | 378.5µA | 12mA |
| Number of Inputs | -- | Up to 24 | 1 | Up to 11 |
| Action |
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