MAX6675ISA+ vs MAX31855KASA+ 对比
详细并排对比 MAX6675ISA+ 出自 Maxim Integrated 和 MAX31855KASA+ 出自 Analog Devices。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。
Analog Devices
MAX31855KASA+ - K-Type Thermocouple-to-Digital Converter | Maxim Integrated
MAX31855KASA+ ✓ 量产中规格对比
| 参数 | MAX6675ISA+ | MAX31855KASA+ |
|---|---|---|
| 品牌 | Maxim Integrated | Analog Devices |
| 分类 | Temperature Sensors | Temperature Sensors |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $6.55 | $4.20 |
| 功能 | Thermocouple-to-Digital Converter (Type-K) | Thermocouple-to-Digital Converter with Cold-Junction Compensation |
| Thermocouple Type | K-Type | — |
| Temperature Range | 0 °C to +1024 °C | — |
| 分辨率 | 0.25 °C (12-bit) | — |
| Thermocouple Accuracy | 8 LSB (0°C to +700°C) | plus/minus 2 degC |
| 电源电压 | 3.0 V to 5.5 V | — |
| Supply Current (typical) | 1.5 mA | — |
| 接口 | SPI-compatible (read-only, 3-wire) | — |
| Cold-Junction Compensation | Built-in | On-chip, integrated |
| Conversion Method | On-demand, single per CS cycle | — |
| Thermocouple Disconnect Detection | Yes (via pull-up) | — |
| Operating Temperature (device) | -20 °C to +85 °C | — |
| 封装 | 8-pin SOIC (ISA / SO-8) | 8-pin SOIC (NSOIC), 3.90 mm body |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant (per distributor listing) |
| MSL 等级 | 1 (unlimited floor life) | [DATA_NEEDED: MSL rating] |
| Supported Thermocouple Type | — | K (K-type probe input) |
| Output Resolution | — | 14-bit signed (0.25 degC per LSB) |
| Output Interface | — | SPI-compatible, read-only |
| Thermocouple Temperature Range | — | -270 degC to +1800 degC |
| Open-Thermocouple Detection | — | Yes (fault register) |
| Supply Voltage (VDD) | — | 3.0 V to 3.6 V (2.7 V min per datasheet) |
| 电源电流 | — | [DATA_NEEDED: typical operating current] |
| 工作温度 | — | -40 degC to +125 degC |