DS2450S vs DS2450S+ 对比
详细并排对比 DS2450S 出自 Analog Devices 和 DS2450S+ 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。
规格对比
| 参数 | DS2450S | DS2450S+ |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | 不推荐新设计 | Obsolete |
| 分辨率 | 16 bit | 16 bit |
| Number of Channels | 4 input / 1 ADC (4-to-1 mux) | — |
| ADC Architecture | Successive Approximation (SAR) | — |
| 输入电压范围 | 0 V to 2.56 V or 0 V to 5.12 V (user-programmable per channel) | 0 to 5.12 V / 0 to 2.56 V / ±5.12 V / ±2.56 V (software-selectable) |
| Programmable Resolution | 1 to 16 bits per channel | — |
| Communication Interface | Dallas 1-Wire (single-wire, parasitic-power capable) | — |
| 电源电压 | 5 V single supply (parasitic or external VCC) | — |
| Active Power Consumption | 2.5 mW (typical) | — |
| Idle Power Consumption | 25 µW (typical) | — |
| Unique Serial Number | 64-bit 1-Wire ROM ID (per device) | — |
| On-chip Memory | SRAM for per-channel range/resolution/alarm settings | — |
| Conditional Search | Yes (per-channel alarm flag participation) | Per-channel over/under threshold flags supported |
| Power-on Reset Flag | Yes (master detects need to restore settings) | — |
| 封装 | 8-pin SOIC (SO-8) | 8-pin SOIC (S) |
| 工作温度 | -40C to +85C (industrial) | -40 °C to +85 °C (industrial grade) |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance] | Compliant [DATA_NEEDED: confirm from manufacturer page] |
| Number of Input Channels | — | 4 |
| Architecture | — | Successive Approximation (SAR) |
| Digital Interface | — | 1-Wire (Dallas Semiconductor proprietary, single-wire bi-directional) |
| Supply Voltage (VCC) | — | 2.8 V to 5.25 V [DATA_NEEDED: confirm in datasheet electrical characteristics] |
| Conversion Time (per conversion, 12-bit) | — | 80 µs typical + 160 µs overhead per channel |
| Conversion Time (4 channels × 16-bit) | — | 4 × 16 × 80 µs + 4 × 160 µs ≈ 5.8 ms [DATA_NEEDED: confirm exact value in datasheet] |
| On-chip Reference | — | Internal bandgap [DATA_NEEDED: VREF value] |
| ROM ID | — | 64-bit unique factory-lasered serial number |
| Per-channel Configuration | — | Voltage range, resolution, offset/gain calibration, alarm thresholds |
| 安装类型 | — | Surface Mount |