MAX1139KEEE+ vs MAX1239LEEE+T Comparison
Detailed side-by-side comparison of MAX1139KEEE+ by Analog Devices and MAX1239LEEE+T by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Analog Devices
MAX1139KEEE+ - 10-Bit 12-Ch SAR ADC, I2C, 16-QSOP | Maxim Integrated
MAX1139KEEE+ ✓ ActiveAnalog Devices
MAX1239LEEE+T - 12-Bit 12-Channel 2-Wire Serial ADC | Maxim Integrated
MAX1239LEEE+T ✓ ActiveSpecification Comparison
| Parameter | MAX1139KEEE+ | MAX1239LEEE+T |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.45 | $4.62 |
| Resolution | 10 bit | 12 bit |
| Number of Inputs | 6 / 12 (6 single-ended or 3 differential, 12 input pins) | — |
| Architecture | SAR (Successive Approximation Register) | — |
| Sampling Rate | 117 ksps (K-grade, external clock) | 94.4 ksps max |
| Supply Voltage | 2.7 V to 3.6 V or 4.5 V to 5.5 V | 2.7 V to 3.6 V (single supply) |
| Supply Current (max sampling) | 670 µA | — |
| Power-Down Current | 1 µA | — |
| Internal Reference | 4.096 V (K/M grade) | 2.5 V (MAX1237) / 4.096 V (MAX1239 family) |
| Analog Input Range | 0 to VAVDD | — |
| Interface | I2C-compatible 2-wire serial (Standard 100kHz / Fast 400kHz) | I2C-compatible 2-wire serial (Standard/Fast/High-Speed) |
| I2C Addresses | 16 factory-set (K/M grade: 0x33-0x40 / 0x51-0x5E, L/N grade: 0x52-0x57) | — |
| Package | 16-pin QSOP | 16-pin QSOP |
| Operating Temperature | -40°C to +85°C (extended industrial) | -40 °C to +85 °C (industrial, "E" suffix) |
| Track/Hold | Internal | — |
| RoHS Status | Compliant | Compliant |
| Number of Input Channels | — | 12 (6 differential pairs) |
| Converter Type | — | SAR (Successive Approximation) |
| Supply Current | — | 670 µA at 94.4 ksps |
| Input Voltage Range | — | 0 to VREF (unipolar); ±VREF/2 (bipolar) |
| Integral Nonlinearity (INL) | — | ±1 LSB (max) |
| Differential Nonlinearity (DNL) | — | ±1 LSB (max, no missing codes) |
| Signal-to-Noise + Distortion (SINAD) | — | [DATA_NEEDED: SINAD at fIN] |
| Mounting Type | — | Surface Mount |
| MSL Level | — | 1 (unlimited) |