MAX198BEWI vs MAX198ACWI 对比
详细并排对比 MAX198BEWI 出自 Maxim Integrated 和 MAX198ACWI 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 | MAX198BEWI | MAX198ACWI |
|---|---|---|
| 品牌 | Maxim Integrated | Maxim Integrated |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | Obsolete | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $16.38 | $8.80 |
| Architecture | SAR (Successive Approximation) Data Acquisition System | — |
| 分辨率 | 12 bits | 12 bit |
| Number of Channels | 6 analog input channels (single-ended or differential) | 6 (single-ended, software multiplexed) |
| 采样率 | 100 kSPS | 100 ksps |
| 电源电压 | +5 V single supply | +5 V single supply |
| 输入电压范围 | 0 to 5V, 0 to 10V, ±5V, ±4V (software-selectable); ±10V/±20V with external resistor dividers | — |
| Fault-Protected Input Range | ±25 V (without damage) | — |
| Analog Input Type | Single-ended or differential, multiplexed | — |
| Internal Reference | 4.096 V (bandgap, bypass optional) | — |
| Digital Interface | Parallel, 8-bit or 16-bit bus compatible, TTL/CMOS | — |
| 数据总线宽度 | 12-bit (configurable for 8-bit / 16-bit data buses) | — |
| 封装 | 28-SOIC (Wide SO, 7.50 mm width) | 28-pin wide SOIC (SO W, 0.295 inch / 7.50 mm) |
| 工作温度 | -40 C to +85 C (Industrial grade; 'B' suffix) | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Not compliant (original Maxim product) | Compliant (lead-free version MAX198ACWI+) |
| Conversion Architecture | — | SAR (Successive Approximation Register) |
| Supply Current (operating) | — | 7.5 mA typ |
| Supply Current (power-down) | — | 1 mA typ |
| Input Voltage Range (unipolar, software selectable) | — | 0 V to +5 V or 0 V to VREF |
| Internal Reference Voltage | — | 4.096 V ± 1.5% |
| External Reference Range | — | [DATA_NEEDED: external VREF input range] |
| Conversion Time | — | 6.0 us max |
| Linearity | — | ±1/2 LSB (AC + DC) |
| Analog Input Overvoltage Protection | — | ±16.5 V on any input |
| Digital Bus Interface | — | 12-bit + control, three-state bidirectional |
| Logic Compatibility | — | TTL/CMOS |
| 工作温度范围 | — | 0 °C to +70 °C (commercial grade) |
| Acquisition Time | — | [DATA_NEEDED: acquisition time per channel] |