MAX1239LEEE+T vs MAX1139KEEE+ Comparison
Detailed side-by-side comparison of MAX1239LEEE+T by Analog Devices and MAX1139KEEE+ 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
MAX1239LEEE+T - 12-Bit 12-Channel 2-Wire Serial ADC | Maxim Integrated
MAX1239LEEE+T ✓ ActiveAnalog Devices
MAX1139KEEE+ - 10-Bit 12-Ch SAR ADC, I2C, 16-QSOP | Maxim Integrated
MAX1139KEEE+ ✓ ActiveSpecification Comparison
| Parameter | MAX1239LEEE+T | MAX1139KEEE+ |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.62 | $4.45 |
| Resolution | 12 bit | 10 bit |
| Number of Input Channels | 12 (6 differential pairs) | — |
| Converter Type | SAR (Successive Approximation) | — |
| Sampling Rate | 94.4 ksps max | 117 ksps (K-grade, external clock) |
| Supply Voltage | 2.7 V to 3.6 V (single supply) | 2.7 V to 3.6 V or 4.5 V to 5.5 V |
| Supply Current | 670 µA at 94.4 ksps | — |
| Interface | I2C-compatible 2-wire serial (Standard/Fast/High-Speed) | I2C-compatible 2-wire serial (Standard 100kHz / Fast 400kHz) |
| Internal Reference | 2.5 V (MAX1237) / 4.096 V (MAX1239 family) | 4.096 V (K/M grade) |
| 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] | — |
| Operating Temperature | -40 °C to +85 °C (industrial, "E" suffix) | -40°C to +85°C (extended industrial) |
| Package | 16-pin QSOP | 16-pin QSOP |
| Mounting Type | Surface Mount | — |
| RoHS Status | Compliant | Compliant |
| MSL Level | 1 (unlimited) | — |
| Number of Inputs | — | 6 / 12 (6 single-ended or 3 differential, 12 input pins) |
| Architecture | — | SAR (Successive Approximation Register) |
| Supply Current (max sampling) | — | 670 µA |
| Power-Down Current | — | 1 µA |
| Analog Input Range | — | 0 to VAVDD |
| I2C Addresses | — | 16 factory-set (K/M grade: 0x33-0x40 / 0x51-0x5E, L/N grade: 0x52-0x57) |
| Track/Hold | — | Internal |