MAX1291BCEI vs MAX1290ACEI 对比
详细并排对比 MAX1291BCEI 出自 Maxim Integrated 和 MAX1290ACEI 出自 Maxim Integrated。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 | MAX1291BCEI | MAX1290ACEI |
|---|---|---|
| 品牌 | Maxim Integrated | Maxim Integrated |
| 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） | $8.93 | $9.95 |
| 分辨率 | 12 bit | 12 bit |
| Number of Channels | 8 single-ended / 4 differential (software-configurable) | — |
| 采样率 | 250 ksps | 400 ksps |
| ADC Architecture | SAR (Successive Approximation Register) | SAR (Successive Approximation) |
| Supply Voltage (Analog) | 2.7 V to 3.6 V (single +3 V supply) | — |
| Supply Voltage (Digital) | 2.7 V to 3.6 V | — |
| Internal Reference Voltage | +2.5 V | +2.5 V |
| 输入电压范围 | 0 to VREF / 0 to 2 VREF / ±VREF / ±2 VREF (software-configurable) | — |
| Data Interface | Parallel (12-bit wide) | — |
| Number of Inputs | 4 or 8 (software-configurable) | — |
| Input Type | Single-Ended / Pseudo-Differential | Single-ended / pseudo-differential |
| 封装 | 28-pin QSOP | 28-pin QSOP |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | 0C to +70C (commercial grade, B suffix) | — |
| RoHS 状态 | Compliant (BCEI suffix) | Compliant |
| Power-Down Mode | Yes (hardware and software configurable) | — |
| INL (Max) | [DATA_NEEDED: INL maximum in LSB] | — |
| DNL (Max) | [DATA_NEEDED: DNL maximum in LSB] | — |
| Power Consumption (Active) | [DATA_NEEDED: active supply current in mA] | — |
| Power Consumption (Power-Down) | [DATA_NEEDED: power-down current in uA] | — |
| Number of Input Channels | — | 8 single-ended / 4 differential |
| Analog Supply Voltage | — | +5 V |
| Digital Logic Supply (VLOGIC) | — | +2.7 V to +5.5 V |
| Wake-Up Time from Shutdown | — | 2 us |
| 接口 | — | Byte-wide parallel (8-bit) |
| Automatic Power-Down | — | Yes (hardware/software controlled) |
| On-Chip Clock | — | Yes |
| 工作温度范围 | — | 0 C to +70 C (commercial) |