MC33972ATEWR2 vs MC33975EK 对比
详细并排对比 MC33972ATEWR2 出自 NXP Semiconductors 和 MC33975EK 出自 NXP Semiconductors。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
NXP Semiconductors
MC33972ATEWR2 - 22-Switch Detection Interface w/ Wake-up | NXP
MC33972ATEWR2 ✓ 量产中
规格对比
| 参数 | MC33972ATEWR2 | MC33975EK |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 分类 | Supervisors & Reset | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $2.30 | $4.45 |
| 功能 | Multiple switch detection interface with suppressed wake-up | Multiple Switch Detection Interface (MSDI) |
| Number of Switch Channels | 22 | — |
| Host Interface | SPI (3.3 V / 5.0 V compatible) | — |
| Supply Voltage Range | 3.1 V to 5.25 V | — |
| Analog Multiplexer | 22-to-1 (per NXP datasheet) | — |
| 封装 / 外壳 | 32-BSSOP Exposed Pad (SOIC-32 EP) | — |
| Packaging | Tape & Reel (TR) | Tube |
| 安装类型 | Surface Mount | Surface Mount |
| Lead Free Status | Lead Free / RoHS Compliant | — |
| Operating Modes | Normal and Sleep (low Iq) | — |
| Wake-up Output | Interrupt to host MCU on switch event | — |
| ESD Protection | On-chip, on switch inputs (per datasheet) | [DATA_NEEDED: HBM/CDM ratings] |
| Wetting Current | Programmable pull-up or pull-down | 32 mA (peak); 2 mA / 20 mA programmable |
| Switch Threshold | Programmable wet / dry threshold | — |
| Primary Applications | Automotive BCM, industrial PLC inputs, security panels | — |
| MSL 等级 | [DATA_NEEDED: MSL rating] | — |
| Number of Switch Inputs | — | 22 |
| 接口 | — | SPI (Serial Peripheral Interface) |
| Wake-up Feature | — | Suppressed wake-up with programmable timer |
| 电源电压 | — | [DATA_NEEDED: VBAT operating range] |
| SPI Clock Frequency | — | [DATA_NEEDED: max SCLK frequency] |
| 工作温度 | — | [DATA_NEEDED: automotive grade temperature range] |
| 封装 | — | 32-BSSOP exposed pad (0.295 in / 7.50 mm width) |
| Lead Status | — | Lead Free |
| RoHS 状态 | — | Compliant |
| Wake-up Current | — | [DATA_NEEDED: typical quiescent in sleep] |