AS1521-T vs ADS7825UE4 对比
详细并排对比 AS1521-T 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 | AS1521-T | 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） | $2.34 | $17.20 |
| 分辨率 | 10 bit | 16 bits |
| Architecture | SAR (Successive Approximation Register) | — |
| Number of Channels | 8 single-ended / 4 differential | — |
| 采样率 | 300 ksps | 40 kSPS (max) |
| Input Type | Differential, Pseudo-Differential, Single-Ended | — |
| Supply Voltage (Single) | 2.7 V to 5.25 V | — |
| Supply Current (Full Speed) | 1.1 mA typical | — |
| Power Consumption | 3.6 mW at 3 V, 300 ksps | — |
| 关断电流 | 1 µA | — |
| 接口 | SPI / QSPI / MICROWIRE compatible | — |
| Maximum Serial Clock | 4 MHz | — |
| INL（积分非线性） | ±0.5 LSB (max) | — |
| DNL (Differential Nonlinearity) | ±0.5 LSB (max, no missing codes) | — |
| SINAD at 100 kHz Input | 71 dB | — |
| 工作温度 | -40 °C to +85 °C | -40C to +85C |
| 封装 | 20-TSSOP, 4.4 mm body width | 28-SOIC (DW, 0.295 in / 7.50 mm width) |
| 安装类型 | Surface Mount | Surface Mount |
| Reference Type | External (REF pin) | — |
| RoHS 状态 | Compliant | Compliant |
| Number of Input Channels | — | 4 (single-ended, multiplexed) |
| 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) |
| Data Interface | — | Parallel (8/16-bit) or Serial |
| Internal Reference | — | +2.5 V (on-chip) |
| Pin-Compatible With | — | ADS7824 (12-bit version, same 28-SOIC pinout) |