MAX145ACUA vs MAX144BCUA 对比
详细并排对比 MAX145ACUA 出自 Analog Devices 和 MAX144BCUA 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 | MAX145ACUA | MAX144BCUA |
|---|---|---|
| 品牌 | Analog Devices | 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） | $5.10 | $7.91 |
| Manufacturer | Analog Devices / Maxim Integrated | — |
| Part Number | MAX145ACUA | — |
| 功能 | 12-bit SAR Analog-to-Digital Converter (ADC) | — |
| Number of Channels | 2 (1 pseudo-differential per the MAX145 family) | — |
| Number of Bits | 12 | — |
| 采样率 | 108 ksps | 108 ksps |
| Architecture | Successive Approximation Register (SAR) | — |
| Supply Voltage (VDD) | +2.7 V to +5.25 V | — |
| Supply Current (108 ksps, VDD = 3.6 V) | 0.9 mA typ | — |
| Supply Current (10 ksps, VDD = 3.6 V) | 100 µA typ | — |
| Supply Current (1 ksps, VDD = 3.6 V) | 10 µA typ | — |
| Power-Down Current | 0.2 µA typ | — |
| Conversion Time | 7.4 µs (incl. track/hold acquisition) | 7.4 µs (SAR successive approximation) |
| Wake-Up Time | 2.5 µs | 2.5 µs |
| Digital Interface | 3-wire SPI/QSPI/MICROWIRE-compatible serial | — |
| Internal Clock | Yes (on-chip, 2.5 MHz typ) | — |
| Track/Hold | Internal | — |
| Reference Input | External (REF+, REF-) | — |
| 封装 | 8-pin µMAX / uSOP | 8-pin µMAX (8-MSOP, 3.00 mm width) |
| Operating Temperature (A grade) | 0 °C to +70 °C | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant (lead-free variants) | [DATA_NEEDED: RoHS compliance] |
| 分辨率 | — | 12 bit |
| Number of Inputs | — | 2 (single-ended, multiplexed) |
| 输入电压范围 | — | 0 to VREF |
| 电源电压 | — | +2.7 V to +5.25 V (single) |
| Supply Current (active) | — | [DATA_NEEDED: active current typ] |
| Supply Current (AutoShutdown) | — | 0.3 µA typical (between conversions) |
| Internal Clock Frequency | — | 4.096 MHz |
| 接口 | — | SPI/QSPI/MICROWIRE-compatible, 3-wire serial |
| 基准电压 | — | External (VREF applied to REF pin) |
| INL (max, B grade) | — | ±1 LSB |
| 工作温度 | — | 0 °C to +70 °C (commercial, B suffix CUA) |
| MSL 等级 | — | [DATA_NEEDED: MSL rating] |
| Compatible Pinout Part | — | MAX145 (14-bit upgrade, same 8-µMAX footprint) |