MAX1238LEEE+T vs MAX1139MEEE+T 对比
详细并排对比 MAX1238LEEE+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。
Analog Devices
MAX1238LEEE+T - 12-Ch 12-Bit 94.4ksps I2C SAR ADC | Analog Devices
MAX1238LEEE+T ✓ 量产中规格对比
| 参数 | MAX1238LEEE+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） | $5.10 | $3.90 |
| 分辨率 | 12 bit | 10 bits |
| Architecture | SAR (Successive Approximation) | SAR (Successive Approximation) |
| Analog Input Channels | 6 or 12 single-ended / 12 differential (software-configurable) | — |
| Input Type | Differential, Single-Ended | — |
| Sampling Rate (max) | 94.4 ksps | — |
| Analog Supply Voltage (AVDD) | 4.5 V to 5.5 V (MAX1236/MAX1238 family) | — |
| Digital Supply Voltage (DVDD) | [DATA_NEEDED: DVDD min/max] | — |
| Supply Current (max sample rate) | 670 µA at 94.4 ksps | — |
| 关断电流 | 0.5 µA | — |
| Integral Nonlinearity (INL) | ±1 LSB (typical) | — |
| Differential Nonlinearity (DNL) | ±1 LSB (typical) | — |
| Internal Reference | 4.096 V | — |
| Reference Tempco | 50 ppm/°C | — |
| Serial Interface | I2C-compatible 2-wire, up to 400 kHz | — |
| 工作温度范围 | -40 °C to +85 °C | — |
| Internal Temperature Sensor Accuracy | ±2 °C | — |
| 封装 | 16-pin QSOP (SSOP equivalent, 0.154" / 3.90 mm body width) | 16-pin QSOP |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | [DATA_NEEDED: MSL] | — |
| RoHS 状态 | Compliant | Compliant |
| 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) |
| Internal Reference Voltage | — | 2.048 V (MAX1137/MAX1139) |
| 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) |
| Temperature Grade | — | Industrial |
| Sampling Method | — | Single-shot SAR with internal T/H |
| Maximum Devices per I2C Bus | — | 4 (via external address pins) |
| Lead-Free | — | Yes |