AT42QT1040-MMHR vs AT42QT2120-MMHR Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng AT42QT1040-MMHR sa pamamagitan ng Microchip Technology at AT42QT2120-MMHR sa pamamagitan ng Microchip Technology. Ikinahambing ang mga pangunahing paglalarawan, mga tama ng elektriko, paakay, kalagayan ng buhay, presyo, at pagkakaroon upang makita ang pinakamahusay na komponente para sa iyong mga kinakailangang pang disenyo.
Microchip Technology
AT42QT1040-MMHR - 4-Key QTouch Sensor IC | Microchip
AT42QT1040-MMHR ✓ NakahandaMicrochip Technology
AT42QT2120-MMHR - 12-Channel QTouchADC Touch Controller | Microchip
AT42QT2120-MMHR ✓ NakahandaPagsanggunian na paghahambing
| Parametro | AT42QT1040-MMHR | AT42QT2120-MMHR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Kategorya | Touch Sensors | Touch Sensors |
| Katayuan ng Lifecycle | Aktibo | Aktibo |
| Number of Touch Keys | 1 to 4 (individually configurable) | — |
| Sensor Technology | QTouch charge-transfer (burst mode) | — |
| Supply Voltage (VDD) | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Kuru-kuryente ng Pagbibigay | [DATA_NEEDED: quiescent current in uA] | — |
| Type ng Output | Parallel discrete outputs (1 per key) | — |
| Bilang ng Outputs | 4 (one per active key) | — |
| Communication Interface | GPIO (no I2C/SPI required) | I2C / SMBus-compatible |
| Self-Calibration Time | ~100 ms after power-up | — |
| Recalibration | Automatic on stuck-key / drift detection | — |
| Hanay ng Temperature na Operasyon | -40 C to +85 C | -40 C to +125 C (MM suffix: extended industrial) |
| Packhaging | 20-pin VQFN (3x3 mm) | 20-pin VQFN (3x3 mm), exposed pad (MM package) |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| Level ng MSL | [DATA_NEEDED: MSL rating] | — |
| Tindminan RoHS | Compliant | Compliant |
| Lead-Free / Halogen-Free | Yes (per Microchip product page) | — |
| Product Type | — | Capacitive Touch Controller |
| Number of Touch Channels | — | 12 (configurable) |
| Touch Sensing Algorithm | — | QTouchADC (self-capacitance, patent pending) |
| Configurable Touch Patterns | — | Buttons, sliders, wheels |
| Drift Compensation | — | On-chip, slew-rate limited reference adjustment |
| Simultaneous Key Arbitration | — | Integrated (AKS-like) |
| Proximity Sensing | — | Yes, via self-capacitance |
| MSL (Moisture Sensitivity Level) | — | MSL3 / 260 C peak reflow (per Microchip MM package profile) |
| Reel Orientation | — | R (suffix to mirror standard reel carrier sheet direction) |