MAX1240BEPA+ vs MAX145AEPA 对比
详细并排对比 MAX1240BEPA+ 出自 Analog Devices 和 MAX145AEPA 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 | MAX1240BEPA+ | MAX145AEPA |
|---|---|---|
| 品牌 | Analog Devices | 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） | $5.55 | $5.20 |
| 分辨率 | 12 bits | 12 bits |
| Architecture | SAR (Successive Approximation) | — |
| 采样率 | 73 ksamples/sec | — |
| Number of Input Channels | 1 (single-ended) | — |
| Input Type | Single-ended, pseudo-differential (AIN vs. GND) | True differential (MAX145) / single-ended selectable (MAX144) |
| Analog Supply Voltage | +2.7 V to +3.6 V (single supply) | — |
| Digital Supply Voltage | +2.7 V to +3.6 V (single supply) | — |
| Reference Type | External (MAX1240; MAX1241 has internal 2.5 V) | — |
| Reference Input Range | 0 V to +3.6 V (VREF ≤ AVDD) | — |
| Analog Input Range | 0 V to VREF | — |
| Data Interface | SPI / QSPI / MICROWIRE-compatible serial | — |
| Track-and-Hold | Internal, 1:1 S/H:ADC ratio | — |
| Power-Down Current | 5 µW (power-down mode) | — |
| 工作温度 | 0 °C to +70 °C (commercial, 'E' grade) | — |
| 封装 | 8-pin PDIP (E suffix) | — |
| 安装类型 | Through-Hole (DIP) | Through-Hole (THT) |
| Process Technology | BiCMOS | — |
| RoHS 状态 | Compliant | Non-RoHS (pre-2011 vintage product; + variant is RoHS) |
| Part Number | — | MAX145AEPA |
| Manufacturer | — | Analog Devices (formerly Maxim Integrated) |
| 功能 | — | 12-bit 2-channel SAR analog-to-digital converter (ADC) |
| Number of Channels | — | 2 |
| Sampling Rate (Throughput) | — | 108 ksps |
| Conversion Architecture | — | Successive-approximation (SAR) |
| Conversion Time | — | 7.4 us (typical) |
| Wake-Up Time | — | 2.5 us |
| Supply Voltage (VDD) | — | +2.7 V to +5.25 V (single supply) |
| Active Power Consumption | — | 3.2 mW at VDD = +3.6 V |
| 关断电流 | — | < 10 uA (auto power-down) |
| Integral Nonlinearity (INL) | — | ±1 LSB (max) |
| Differential Nonlinearity (DNL) | — | ±0.5 LSB (max, no missing codes) |
| Digital Interface | — | 3-wire SPI / QSPI / MICROWIRE-compatible serial |
| 工作温度范围 | — | -40 C to +85 C (E suffix = industrial) |
| 封装 / 外壳 | — | 8-pin PDIP (0.300 inch / 7.62 mm body) |
| Internal Reference | — | +2.5 V |