MAX1238KEEE+T vs MAX1139MEEE+T Comparison
Detailed side-by-side comparison of MAX1238KEEE+T by Analog Devices and MAX1139MEEE+T by Maxim Integrated. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | MAX1238KEEE+T | MAX1139MEEE+T |
|---|---|---|
| Brand | Analog Devices | Maxim Integrated |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.91 | $3.90 |
| Resolution | 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) | — |
| Operating Temperature Range | -40 C to +85 C (extended) | — |
| Package | 16-QSOP (0.154 inch / 3.90 mm width) | 16-pin QSOP |
| Mounting Type | Surface Mount | Surface Mount |
| Sampling Architecture | Internal Track/Hold with on-chip oscillator | — |
| RoHS Status | Compliant | Compliant |
| Terminal Form | GULL WING | — |
| Temperature Grade | INDUSTRIAL | Industrial |
| Input Channels | — | 6 or 12 single-ended (software-configurable) |
| Number of Inputs | — | 6, 12 |
| Supply Voltage | — | 2.7 V to 3.6 V or 4.5 V to 5.5 V (single supply) |
| Interface | — | 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) |
| Operating Temperature | — | -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 |