AT42QT2120-MMHR vs AT42QT1040-MMHR Comparaison
Comparaison détaillée côte à côte de AT42QT2120-MMHR par Microchip Technology et AT42QT1040-MMHR par Microchip Technology. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
Microchip Technology
AT42QT2120-MMHR - 12-Channel QTouchADC Touch Controller | Microchip
AT42QT2120-MMHR ✓ ActifComparaison des spécifications
| Paramètre | AT42QT2120-MMHR | AT42QT1040-MMHR |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Touch Sensors | Touch Sensors |
| Statut du cycle de vie | Actif | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $1,85 | $0,68 |
| 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 | — |
| Supply Voltage (VDD) | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Communication Interface | I2C / SMBus-compatible | GPIO (no I2C/SPI required) |
| Drift Compensation | On-chip, slew-rate limited reference adjustment | — |
| Simultaneous Key Arbitration | Integrated (AKS-like) | — |
| Proximity Sensing | Yes, via self-capacitance | — |
| Plage de température de fonctionnement | -40 C to +125 C (MM suffix: extended industrial) | -40 C to +85 C |
| Boîtier | 20-pin VQFN (3x3 mm), exposed pad (MM package) | 20-pin VQFN (3x3 mm) |
| Type de montage | Surface Mount | Surface Mount |
| MSL (Moisture Sensitivity Level) | MSL3 / 260 C peak reflow (per Microchip MM package profile) | — |
| Statut RoHS | Compliant | Compliant |
| Reel Orientation | R (suffix to mirror standard reel carrier sheet direction) | — |
| Number of Touch Keys | — | 1 to 4 (individually configurable) |
| Sensor Technology | — | QTouch charge-transfer (burst mode) |
| Courant d'alimentation | — | [DATA_NEEDED: quiescent current in uA] |
| Type de sortie | — | Parallel discrete outputs (1 per key) |
| Nombre de sorties | — | 4 (one per active key) |
| Self-Calibration Time | — | ~100 ms after power-up |
| Recalibration | — | Automatic on stuck-key / drift detection |
| Niveau MSL | — | [DATA_NEEDED: MSL rating] |
| Lead-Free / Halogen-Free | — | Yes (per Microchip product page) |