MAX189BEPA+ vs MAX178BCNG 对比
详细并排对比 MAX189BEPA+ 出自 Analog Devices 和 MAX178BCNG 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 | MAX189BEPA+ | MAX178BCNG |
|---|---|---|
| 品牌 | Analog Devices | Maxim Integrated |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | 有效 | 不推荐新设计 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $9.15 | $15.40 |
| 分辨率 | 12 bits | 12 bits |
| Number of Inputs | 1 | — |
| Converter Type | SAR (Successive Approximation Register) | — |
| 采样率 | 75 kSPS | — |
| Conversion Time | 8.5 us | 17 µs (typical) |
| Track/Hold Acquisition Time | 1.5 us | — |
| Analog Input Range | 0 V to 5 V | ±5 V (bipolar) or 0 V to +5 V (unipolar) |
| 电源电压 | 4.75 V to 5.25 V (single +5V) | +5 V (digital); ±5 V or +5 V/-15 V (analog) |
| Operating Supply Current | 1.5 mA (operating), 2 uA (shutdown) | — |
| Integral Nonlinearity (INL) | +/-1/2 LSB (A grade) | ±0.5 LSB (max) |
| Reference | External (MAX189); MAX187 has internal 4.096V | — |
| Digital Interface | 3-wire SPI/QSPI/MICROWIRE-compatible serial | — |
| 工作温度 | -40 C to +85 C | 0°C to +70°C (commercial grade, 'C' suffix) |
| 封装 | PDIP-8 | 24-pin PDIP (NG suffix, through-hole) |
| 安装类型 | Through-hole | — |
| RoHS 状态 | Compliant (lead-free '+' suffix) | — |
| Architecture | — | SAR (Successive Approximation Register) |
| Number of Input Channels | — | 1 |
| 电源电流 | — | 4.5 mA typical |
| Zero Error | — | <100 µV (auto-zero per conversion) |
| Internal Reference Type | — | Buried-zener, 10 ppm/°C typical drift |
| Track-and-Hold | — | Integrated bipolar T/H amplifier |
| Data Interface | — | Parallel (8+4 multiplexed / 12-bit direct) |
| Calibration | — | Internal, automatic; no external trims required |