ADC121S021CISDX vs ADC121S021CISD Comparison
Detailed side-by-side comparison of ADC121S021CISDX by Texas Instruments and ADC121S021CISD 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
ADC121S021CISDX - 12-Bit 50-200ksps SAR ADC | Texas Instruments
ADC121S021CISDX ObsoleteTexas Instruments
ADC121S021CISD - 12-Bit 200ksps SAR ADC | Texas Instruments
ADC121S021CISD ✓ ActiveSpecification Comparison
| Parameter | ADC121S021CISDX | ADC121S021CISD |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Obsolete | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.85 | $1.79 |
| Resolution | 12 bit | 12 bits |
| Number of Channels | 1 | 1 |
| Converter Type | SAR (Successive Approximation Register) | — |
| Sample Rate Range | 50 ksps to 200 ksps | — |
| Supply Voltage (V_A) | 2.7 V to 5.25 V | — |
| Supply Current (200 ksps, 3 V) | 1.4 mW typical | — |
| Analog Input Type | Single-ended (pseudo-differential) | — |
| Input Voltage Range | 0 V to V_REF | — |
| Reference Voltage | V_REF (external) or V_A | — |
| INL (max) | ±1 LSB | — |
| DNL (max) | +1.5 / -1 LSB | — |
| SINAD | 72 dB typical at 200 ksps | — |
| Serial Interface | SPI / QSPI / MICROWIRE-compatible (3-wire: CS, SCLK, DOUT) | — |
| SCLK Frequency (max) | 20 MHz | — |
| Package | 6-pin WSON (2.2 x 2.5 mm) with exposed thermal pad | 6-WSON (NGF) 2.2 x 2.5 mm |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C |
| Power-Down Current | Microampere-level (see datasheet) | — |
| RoHS Status | Compliant (/NOPB variant) | Compliant |
| Sample Rate (max) | — | 200 ksps |
| Sample Rate (min) | — | 50 ksps |
| Architecture | — | SAR |
| Analog Supply Voltage | — | 2.7 V to 5.25 V |
| Digital Supply Voltage | — | 2.7 V to 5.25 V |
| External VREF Range | — | 1.0 V to VA |
| Input Type | — | Single-ended (true-differential input stage) |
| Interface | — | SPI / QSPI / MICROWIRE-compatible |
| Mounting Type | — | Surface Mount |
| MSL Level | — | 2 |
| Lead Free | — | Yes |