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 | Obsolete | 不推荐新设计 |
| 分辨率 | 16 bit | 16 bit |
| 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] | — |
| 输入电压范围 | 0 to 5.12 V / 0 to 2.56 V / ±5.12 V / ±2.56 V (software-selectable) | 0 V to 2.56 V or 0 V to 5.12 V (user-programmable per channel) |
| 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 | — |
| Conditional Search | Per-channel over/under threshold flags supported | Yes (per-channel alarm flag participation) |
| 工作温度 | -40 °C to +85 °C (industrial grade) | -40C to +85C (industrial) |
| 封装 | 8-pin SOIC (S) | 8-pin SOIC (SO-8) |
| 安装类型 | Surface Mount | — |
| RoHS 状态 | Compliant [DATA_NEEDED: confirm from manufacturer page] | [DATA_NEEDED: RoHS compliance] |
| Number of Channels | — | 4 input / 1 ADC (4-to-1 mux) |
| ADC Architecture | — | Successive Approximation (SAR) |
| 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 |
| Power-on Reset Flag | — | Yes (master detects need to restore settings) |