MAX1238LEEE+T vs MAX1139KEEE+ 对比
详细并排对比 MAX1238LEEE+T 出自 Analog Devices 和 MAX1139KEEE+ 出自 Analog Devices。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Analog Devices
MAX1139KEEE+ - 10-Bit 12-Ch SAR ADC, I2C, 16-QSOP | Maxim Integrated
MAX1139KEEE+ ✓ 量产中规格对比
| 参数 | MAX1238LEEE+T | MAX1139KEEE+ |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 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 | $4.45 |
| 分辨率 | 12 bit | 10 bit |
| Architecture | SAR (Successive Approximation) | SAR (Successive Approximation Register) |
| 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 | 4.096 V (K/M grade) |
| 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 | — |
| MSL 等级 | [DATA_NEEDED: MSL] | — |
| RoHS 状态 | Compliant | Compliant |
| Number of Inputs | — | 6 / 12 (6 single-ended or 3 differential, 12 input pins) |
| 采样率 | — | 117 ksps (K-grade, external clock) |
| 电源电压 | — | 2.7 V to 3.6 V or 4.5 V to 5.5 V |
| Supply Current (max sampling) | — | 670 µA |
| Power-Down Current | — | 1 µA |
| Analog Input Range | — | 0 to VAVDD |
| 接口 | — | I2C-compatible 2-wire serial (Standard 100kHz / Fast 400kHz) |
| I2C Addresses | — | 16 factory-set (K/M grade: 0x33-0x40 / 0x51-0x5E, L/N grade: 0x52-0x57) |
| 工作温度 | — | -40°C to +85°C (extended industrial) |
| Track/Hold | — | Internal |