AT42QT2120-MMHR vs AT42QT1040-MMHR 비교
다음의 상세 나란히 비교: AT42QT2120-MMHR 제조: Microchip Technology 및 AT42QT1040-MMHR 제조: Microchip Technology. 주요 사양, 전기적 파라미터, 패키징, 수명 주기 상태, 가격 및 재고를 비교하여 설계 요구 사항에 가장 적합한 부품을 결정하십시오.
Microchip Technology
AT42QT2120-MMHR - 12-Channel QTouchADC Touch Controller | Microchip
AT42QT2120-MMHR ✓ 활성사양 비교
| 파라미터 | AT42QT2120-MMHR | AT42QT1040-MMHR |
|---|---|---|
| 브랜드 | Microchip Technology | Microchip Technology |
| 카테고리 | Touch Sensors | Touch Sensors |
| 수명 주기 상태 | 활성 | 활성 |
| 재고 상태 | In Stock | In Stock |
| 단가 (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 | — |
| 동작 온도 범위 | -40 C to +125 C (MM suffix: extended industrial) | -40 C to +85 C |
| 패키지 | 20-pin VQFN (3x3 mm), exposed pad (MM package) | 20-pin VQFN (3x3 mm) |
| 실장 유형 | Surface Mount | Surface Mount |
| MSL (Moisture Sensitivity Level) | MSL3 / 260 C peak reflow (per Microchip MM package profile) | — |
| RoHS 상태 | 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) |
| 공급 전류 | — | [DATA_NEEDED: quiescent current in uA] |
| 출력 유형 | — | Parallel discrete outputs (1 per key) |
| 출력 수 | — | 4 (one per active key) |
| Self-Calibration Time | — | ~100 ms after power-up |
| Recalibration | — | Automatic on stuck-key / drift detection |
| MSL 레벨 | — | [DATA_NEEDED: MSL rating] |
| Lead-Free / Halogen-Free | — | Yes (per Microchip product page) |