MAX1294BCEI vs MAX1295BCEI 对比
详细并排对比 MAX1294BCEI 出自 Maxim Integrated 和 MAX1295BCEI 出自 Analog Devices。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 | MAX1294BCEI | MAX1295BCEI |
|---|---|---|
| 品牌 | Maxim Integrated | Analog Devices |
| 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） | $9.28 | $11.20 |
| 分辨率 | 12 bit | 12 bits |
| 采样率 | 420 ksps | 265 ksps |
| Number of Channels | 6 single-ended / 3 pseudo-differential (MAX1294); 2 SE / 1 PD (MAX1296) | — |
| 电源电压 | +5 V single supply | +3 V (single supply, +2.7 V to +3.6 V) |
| Internal Reference | +2.5 V | +2.5 V |
| Linearity (INL/DNL) | [DATA_NEEDED: INL/DNL in LSB] | — |
| Analog Input Range | 0 to +5 V unipolar or ±5 V bipolar (software-configurable) | 0 V to VREF (single-ended) |
| 接口 | Parallel (5 V logic) | — |
| Architecture | SAR (Successive Approximation Register) | Successive Approximation (SAR) with input T/H |
| 关断电流 | < 10 µA | — |
| 封装 | 28-pin QSOP | 28-pin SSOP / QSOP |
| 工作温度范围 | [DATA_NEEDED: temperature grade] | [DATA_NEEDED: grade code C operating range] |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance] | Compliant (variants with + suffix) |
| Reference Trim | Factory-trimmed internal +2.5 V; REF_IN/REF_OUT pins for external override | — |
| Number of Input Channels | — | 6 single-ended / 3 pseudo-differential (MAX1295) |
| Integral Nonlinearity (INL) | — | ±0.5 LSB (max) |
| Differential Nonlinearity (DNL) | — | ±0.5 LSB (max) |
| External Reference Support | — | Yes (REF pin accepts external reference) |
| Digital Interface | — | Parallel (byte/word) |
| Power-Down Current | — | 1 µA (typ) |
| Active Supply Current | — | [DATA_NEEDED: full-scale current at 265 ksps] |