MAX145AEUA vs MAX144BEUA 对比
详细并排对比 MAX145AEUA 出自 Analog Devices 和 MAX144BEUA 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 | MAX145AEUA | MAX144BEUA |
|---|---|---|
| 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） | $5.49 | $3.21 |
| 分辨率 | 12 bits | 12 bits |
| Number of Analog Input Channels | 2 (pseudo-differential) | — |
| Conversion Rate | 108 ksps | — |
| Conversion Time | 7.4 µs (successive-approximation) | 7.4 µs |
| Supply Voltage (VDD) | +2.7 V to +5.25 V | — |
| Supply Current at 108 ksps | [DATA_NEEDED: full-scale supply current at 3.6V] | — |
| Supply Current at VDD=+3.6 V (typ. power-down) | 3.2 mW total | — |
| Wake-Up Time from Power-Down | 2.5 µs | — |
| Digital Interface | 3-wire SPI/QSPI/MICROWIRE-compatible serial | — |
| 基准电压 | Internal 4.096 V or external (REF pin) | — |
| Input Configuration | Pseudo-differential (vs MAX144 single-ended) | — |
| 工作温度范围 | -40°C to +85°C (-A grade) | — |
| 封装 | 8-pin µMAX / uSOP (3.00 mm) | 8-pin µMAX / uSOP (TSSOP-compatible 3.00 mm body) |
| On-Chip Clock | Yes (internal conversion clock) | — |
| Automatic Power-Down | Yes (between conversions) | — |
| 安装类型 | Surface Mount | — |
| MSL 等级 | 1 (per JESD22-A113) | — |
| RoHS 状态 | Compliant | Compliant |
| Number of Channels | — | 2 single-ended |
| 采样率 | — | 108 ksps |
| Conversion Architecture | — | SAR (Successive Approximation) |
| Supply Voltage (Analog/Digital) | — | +2.7 V to +5.25 V |
| Supply Current (108 ksps) | — | 1.6 mA typ |
| Supply Current (Power-Down) | — | < 1 µA |
| Wake-Up Time | — | 2.5 µs |
| INL (max) | — | ±1 LSB |
| DNL (max) | — | ±1 LSB (no missing codes) |
| Reference Input | — | External (REF pin) |
| Serial Interface | — | SPI / MICROWIRE / QSPI-compatible, 3-wire |
| Operating Temperature (B grade) | — | -40 °C to +85 °C |
| Lead-Free | — | Yes |