AS1543-BQFT vs ADS7825UE4 对比
详细并排对比 AS1543-BQFT 出自 ams OSRAM 和 ADS7825UE4 出自 Texas Instruments。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 | AS1543-BQFT | ADS7825UE4 |
|---|---|---|
| 品牌 | ams OSRAM | Texas Instruments |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $3.86 | $17.20 |
| Number of Bits | 12 | — |
| 采样率 | 1 Msps | 40 kSPS (max) |
| Number of Input Channels | 8 (single-ended) / 4 (differential) | 4 (single-ended, multiplexed) |
| Architecture | SAR (Successive Approximation Register) | — |
| Input Type | Single-Ended, Pseudo-Differential, Fully Differential | — |
| Supply Voltage (Analog) | 2.7 V to 5.25 V | — |
| Data Interface | SPI, QSPI, MICROWIRE, DSP-compatible Serial | Parallel (8/16-bit) or Serial |
| Analog Input Bandwidth (T/H) | > 1 MHz | — |
| 封装 / 外壳 | 20-TQFN (4x4 mm) Exposed Pad | — |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40 °C to +125 °C [DATA_NEEDED: confirm exact range from datasheet] | -40C to +85C |
| 引脚数 | 20 | — |
| Input Multiplexer | 8:1 / 4:1 (configurable) | — |
| Reference Input | External [DATA_NEEDED: confirm internal/external option] | — |
| Power Consumption | [DATA_NEEDED: typical mW at 1 Msps, 3 V / 5 V] | — |
| INL / DNL | [DATA_NEEDED: typical LSB values] | — |
| SNR | [DATA_NEEDED: dB at 1 Msps] | — |
| RoHS / Lead-Free | Compliant (per distributor listing) | — |
| 分辨率 | — | 16 bits |
| Acquisition + Conversion Time | — | 25 us (max) |
| 输入电压范围 | — | +/-10 V (bipolar, laser-trimmed scaling) |
| Integral Nonlinearity (INL) | — | +/-2.0 LSB (max) |
| Channel-to-Channel Matching | — | +/-0.1% |
| 电源电压 | — | +5 V single supply |
| Power Dissipation | — | 50 mW (max during conversion) |
| Internal Reference | — | +2.5 V (on-chip) |
| 封装 | — | 28-SOIC (DW, 0.295 in / 7.50 mm width) |
| Pin-Compatible With | — | ADS7824 (12-bit version, same 28-SOIC pinout) |
| RoHS 状态 | — | Compliant |