AS1544-BQFT vs AS1543-BQFT 对比
详细并排对比 AS1544-BQFT 出自 ams OSRAM 和 AS1543-BQFT 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 | AS1544-BQFT | AS1543-BQFT |
|---|---|---|
| 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） | $2.39 | $3.86 |
| Number of Bits | 12 | 12 |
| Sampling Rate (Per Second) | 1 MSPS | — |
| Number of Inputs | 4 single-ended / 2 differential | — |
| Input Type | Single-Ended, Differential (Pseudo) | Single-Ended, Pseudo-Differential, Fully Differential |
| Data Interface | DSP, MICROWIRE, QSPI, Serial, SPI | SPI, QSPI, MICROWIRE, DSP-compatible Serial |
| Architecture | SAR (Successive Approximation) | SAR (Successive Approximation Register) |
| Supply Voltage (Analog/Digital) | 2.7 V to 5.25 V (single supply) | — |
| Reference Type | [DATA_NEEDED: internal/external reference voltage] | — |
| Channel Sequencer | Yes (programmable sequential conversion) | — |
| 工作温度 | -40 C to +85 C | -40 °C to +125 °C [DATA_NEEDED: confirm exact range from datasheet] |
| 封装 / 外壳 | 20-TQFN Exposed Pad (4x4 mm) | 20-TQFN (4x4 mm) Exposed Pad |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| 引脚数 | 20 | 20 |
| MSL 等级 | [DATA_NEEDED: MSL rating] | — |
| RoHS 状态 | Compliant | — |
| 采样率 | — | 1 Msps |
| Number of Input Channels | — | 8 (single-ended) / 4 (differential) |
| Supply Voltage (Analog) | — | 2.7 V to 5.25 V |
| Analog Input Bandwidth (T/H) | — | > 1 MHz |
| 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) |