ADC12138CIWM vs ADC12138CIWMX Comparison
Detailed side-by-side comparison of ADC12138CIWM by Texas Instruments and ADC12138CIWMX by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
ADC12138CIWM - 12-bit+Sign 8-Ch SAR ADC, 28-SOIC | Texas Instruments
ADC12138CIWM ObsoleteTexas Instruments
ADC12138CIWMX - 12-Bit+Sign 8-Ch SAR ADC | Texas Instruments
ADC12138CIWMX ObsoleteSpecification Comparison
| Parameter | ADC12138CIWM | ADC12138CIWMX |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Obsolete | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.80 | $5.45 |
| Resolution | 12-bit plus sign | 12 bits + sign |
| Sampling Rate | 114 kSPS | — |
| Number of Input Channels | 4 differential / 8 single-ended | — |
| Architecture | SAR (Successive Approximation) | SAR (Successive Approximation) |
| Input Type | Differential, Single-Ended | — |
| Analog Supply Voltage | 3 V to 5.5 V (single) | 4.5 V to 5.5 V (single +5 V); +3.3 V compatible |
| Digital Supply Voltage | 3 V to 5.5 V (single, same as analog) | Same as AVDD |
| Analog Input Range | 0 V to VREF or 0 V to 2*VREF | — |
| Reference Voltage | 2.5 V (typical internal) | [DATA_NEEDED: VREF range] |
| DNL (Differential Nonlinearity) | +/-0.5 LSB (typical) | — |
| INL (Integral Nonlinearity) | +/-1 LSB (typical) | — |
| Supply Current | 1.3 mA (typical at 114 kSPS) | — |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C |
| Package | 28-pin SOIC (WM, wide-body) | 28-SOIC (WM) 7.5 mm body |
| Mounting Type | Surface Mount | Surface Mount |
| Self-Calibration | On-demand offset + gain auto-cal | Yes, on-chip offset + gain trim |
| Serial Interface | SPI/QSPI/MICROWIRE-compatible | — |
| Sample/Hold | Integrated | — |
| MSL Level | 1 (unlimited) | 1 (unlimited) |
| RoHS Status | Compliant (NOPB variant) | Compliant |
| Number of Analog Inputs | — | 8 single-ended / 4 differential |
| Conversion Time | — | 8.8 us max |
| Input Voltage Range | — | 0 V to VREF (unipolar); -VREF to +VREF (bipolar) |
| Differential Non-Linearity (DNL) | — | ±1 LSB max |
| Integral Non-Linearity (INL) | — | [DATA_NEEDED: INL max] |
| Sample-and-Hold | — | On-chip |
| Digital Interface | — | Serial, 4-wire (CS, SCLK, DOUT, DIN) |