MAX1238KEEE+T vs MAX1139MEEE+T 对比
详细并排对比 MAX1238KEEE+T 出自 Analog Devices 和 MAX1139MEEE+T 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 | MAX1238KEEE+T | MAX1139MEEE+T |
|---|---|---|
| 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） | $4.91 | $3.90 |
| 分辨率 | 12 bit | 10 bits |
| Number of Analog Input Channels | 12 (single-ended) / 6 (pseudo-differential) | — |
| Architecture | SAR (Successive Approximation Register) | SAR (Successive Approximation) |
| Input Type | Single-Ended, Pseudo-Differential | — |
| Supply Voltage - 3.3V Mode | 2.7 V to 3.6 V | — |
| Supply Voltage - 5V Mode | 4.5 V to 5.5 V | — |
| Supply Current at Max Throughput | 670 uA | — |
| Shutdown Supply Current | 1 uA | — |
| Internal Reference Voltage | 2.5 V | 2.048 V (MAX1137/MAX1139) |
| Digital Interface | I2C-compatible 2-wire serial (Fast Mode 400 kHz, High-Speed Mode 1.7 MHz) | — |
| 工作温度范围 | -40 C to +85 C (extended) | — |
| 封装 | 16-QSOP (0.154 inch / 3.90 mm width) | 16-pin QSOP |
| 安装类型 | Surface Mount | Surface Mount |
| Sampling Architecture | Internal Track/Hold with on-chip oscillator | — |
| RoHS 状态 | Compliant | Compliant |
| Terminal Form | GULL WING | — |
| Temperature Grade | INDUSTRIAL | Industrial |
| Input Channels | — | 6 or 12 single-ended (software-configurable) |
| Number of Inputs | — | 6, 12 |
| 电源电压 | — | 2.7 V to 3.6 V or 4.5 V to 5.5 V (single supply) |
| 接口 | — | I2C-compatible 2-wire serial (up to 400 kHz fast mode) |
| Integrated Track/Hold | — | Yes (internal T/H) |
| Internal Clock | — | Yes (no external clock required) |
| 工作温度 | — | -40 C to +85 C (extended industrial) |
| Sampling Method | — | Single-shot SAR with internal T/H |
| Maximum Devices per I2C Bus | — | 4 (via external address pins) |
| Lead-Free | — | Yes |