ADS7825UE4 vs AS1521-T 对比
详细并排对比 ADS7825UE4 出自 Texas Instruments 和 AS1521-T 出自 ams OSRAM。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 | ADS7825UE4 | AS1521-T |
|---|---|---|
| 品牌 | Texas Instruments | ams OSRAM |
| 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） | $17.20 | $2.34 |
| 分辨率 | 16 bits | 10 bit |
| Number of Input Channels | 4 (single-ended, multiplexed) | — |
| 采样率 | 40 kSPS (max) | 300 ksps |
| 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) | — |
| 工作温度 | -40C to +85C | -40 °C to +85 °C |
| 封装 | 28-SOIC (DW, 0.295 in / 7.50 mm width) | 20-TSSOP, 4.4 mm body width |
| 安装类型 | Surface Mount | Surface Mount |
| Pin-Compatible With | ADS7824 (12-bit version, same 28-SOIC pinout) | — |
| RoHS 状态 | Compliant | Compliant |
| Architecture | — | SAR (Successive Approximation Register) |
| Number of Channels | — | 8 single-ended / 4 differential |
| 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 |
| Reference Type | — | External (REF pin) |