AS1531 vs ADS7825UE4 对比
详细并排对比 AS1531 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 | AS1531 | 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） | $4.10 | $17.20 |
| 分辨率 | 12 bits | 16 bits |
| Sample Rate | 300 ksps | — |
| Number of Input Channels | 4 single-ended / 2 pseudo-differential (8 with COM pin) | 4 (single-ended, multiplexed) |
| Supply Voltage (VDD) | +2.7 V to +3.6 V | — |
| Supply Current (300 ksps) | 2.2 mA | — |
| Supply Current (Reduced-Power Mode) | [DATA_NEEDED: reduced-power mode current] | — |
| Supply Current (Power-Down) | [DATA_NEEDED: power-down current] | — |
| Internal Reference Voltage | 2.5 V | — |
| Analog Input Range (Single-Ended) | 0 V to VREF | — |
| Analog Input Range (Pseudo-Differential) | 0 V to 2xVREF | — |
| 接口 | SPI / QSPI / MICROWIRE-compatible serial | — |
| Architecture | SAR (Successive Approximation Register) | — |
| Integral Nonlinearity (INL) | [DATA_NEEDED: INL max] | +/-2.0 LSB (max) |
| Differential Nonlinearity (DNL) | [DATA_NEEDED: DNL max] | — |
| Signal-to-Noise + Distortion (SINAD) | [DATA_NEEDED: SINAD] | — |
| 封装 | 20-pin TSSOP | 28-SOIC (DW, 0.295 in / 7.50 mm width) |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C |
| RoHS 状态 | Compliant (per DigiKey listing) | Compliant |
| 采样率 | — | 40 kSPS (max) |
| Acquisition + Conversion Time | — | 25 us (max) |
| 输入电压范围 | — | +/-10 V (bipolar, laser-trimmed scaling) |
| 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) |
| 安装类型 | — | Surface Mount |
| Pin-Compatible With | — | ADS7824 (12-bit version, same 28-SOIC pinout) |