| Part Numbers | Manufacturer Name | Datasheet | Type | Touch Panel Interface | Number of Inputs/Keys | Resolution (Bits) | Evaluation Tools | Data Interface | Data Rate/Sampling Rate (SPS, BPS) | Voltage Reference | Voltage - Supply | Current - Supply | Operating Temperature | Mounting Type | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AT42QT1040-MMH | ATMEL CORP | Capacitive Switch | 4, 2-Wire | 4 | - | Available | I²C, Serial | 200k | Internal | 1.8 V ~ 5.5 V | 10mA | -40°C ~ 85°C | Surface Mount | 20-VFQFN Exposed Pad | |
| QT240-ISS | ATMEL CORP | Capacitive | 4, 2-Wire | 4 | 9 b | Available | - | - | Internal | 3.9 V ~ 5 V | 1.5mA | -40°C ~ 85°C | Surface Mount | 20-SSOP (0.209", 5.30mm Width) | |
| QT240-ISSG | ATMEL CORP | Capacitive | 4, 2-Wire | 4 | 9 b | Available | - | - | Internal | 3.9 V ~ 5 V | 1.5mA | -40°C ~ 85°C | Surface Mount | 20-SSOP (0.209", 5.30mm Width) | |
| QT220-ISSG | ATMEL CORP | Capacitive | 4, 2-Wire | 2 Key | 9 b | - | - | - | Internal | 4 V ~ 5.5 V | 1.5mA | -40°C ~ 85°C | Surface Mount | 20-SSOP (0.209", 5.30mm Width) |
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