AT42QT1040-MMHR vs AT42QT2120-MMHR तुलना
विस्तृत दोनों ओर की तुलना AT42QT1040-MMHR द्वारा Microchip Technology और AT42QT2120-MMHR द्वारा Microchip Technology. मुख्य विशेषताओं, इलेक्ट्रिकल पैरामीटर, पैकेजिंग, चक्र स्थिति, मूल्यांकन और उपलब्धता को तुलना करके अपनी डिजाइन की आवश्यकताओं के लिए सबसे अच्छा घटक निर्धारित करें。
Microchip Technology
AT42QT2120-MMHR - 12-Channel QTouchADC Touch Controller | Microchip
AT42QT2120-MMHR ✓ सक्रियविशेषता तुलना
| पैरामीटर | AT42QT1040-MMHR | AT42QT2120-MMHR |
|---|---|---|
| ब्रांड | Microchip Technology | Microchip Technology |
| श्रेणी | Touch Sensors | Touch Sensors |
| लाइफसाइकिल स्थिति | सक्रिय | सक्रिय |
| 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 |
| सप्लाई करंट | [DATA_NEEDED: quiescent current in uA] | — |
| आउटपुट प्रकार | Parallel discrete outputs (1 per key) | — |
| आउटपुट की संख्या | 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 | — |
| ऑपरेटिंग तापमान रेंज | -40 C to +85 C | -40 C to +125 C (MM suffix: extended industrial) |
| पैकेज | 20-pin VQFN (3x3 mm) | 20-pin VQFN (3x3 mm), exposed pad (MM package) |
| माउंटिंग प्रकार | Surface Mount | Surface Mount |
| MSL स्तर | [DATA_NEEDED: MSL rating] | — |
| RoHS स्थिति | 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) |