AS1531-T vs AS1521-T 对比
详细并排对比 AS1531-T 出自 ams OSRAM 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 | AS1531-T | AS1521-T |
|---|---|---|
| 品牌 | ams OSRAM | 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） | $2.55 | $2.34 |
| 分辨率 | 12 bits | 10 bit |
| Architecture | SAR (Successive Approximation Register) | SAR (Successive Approximation Register) |
| Number of Input Channels | 4 or 8 (single-ended, multiplexed) | — |
| 采样率 | 300 ksps (AS1531); up to 400 ksps (AS1530 variant) | 300 ksps |
| Supply Voltage (Single) | 2.7 V to 5.25 V | 2.7 V to 5.25 V |
| Supply Current (Active) | [DATA_NEEDED: typical active current at 3V/5V] | — |
| Supply Current (Power-Down) | [DATA_NEEDED: typical power-down current in uA] | — |
| Analog Input Range | 0 V to VREF | — |
| 基准电压 | External, up to VDD | — |
| Data Interface | MICROWIRE, QSPI, SPI, Serial | — |
| Input Type | Single-Ended, pseudo-differential (configurable) | Differential, Pseudo-Differential, Single-Ended |
| 工作温度 | -40 C to +85 C (industrial) | -40 °C to +85 °C |
| 封装 | 20-pin TSSOP | 20-TSSOP, 4.4 mm body width |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape and Reel (TR) | — |
| RoHS 状态 | Compliant | Compliant |
| INL (max) | [DATA_NEEDED: max INL in LSB] | — |
| DNL (max) | [DATA_NEEDED: max DNL in LSB] | — |
| THD | Approximately -80 dB (class-typical for 12-bit SAR at low input frequency) | — |
| Number of Channels | — | 8 single-ended / 4 differential |
| 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) |