ADC121S021CISD vs ADC121S021CISDX Comparison
Detailed side-by-side comparison of ADC121S021CISD by Texas Instruments and ADC121S021CISDX 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
ADC121S021CISD - 12-Bit 200ksps SAR ADC | Texas Instruments
ADC121S021CISD ✓ ActiveTexas Instruments
ADC121S021CISDX - 12-Bit 50-200ksps SAR ADC | Texas Instruments
ADC121S021CISDX ObsoleteSpecification Comparison
| Parameter | ADC121S021CISD | ADC121S021CISDX |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Active | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.79 | $1.85 |
| Resolution | 12 bits | 12 bit |
| Number of Channels | 1 | 1 |
| 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 | — |
| Operating Temperature | -40C to +85C | -40C to +85C (industrial) |
| Package | 6-WSON (NGF) 2.2 x 2.5 mm | 6-pin WSON (2.2 x 2.5 mm) with exposed thermal pad |
| Mounting Type | Surface Mount | — |
| MSL Level | 2 | — |
| RoHS Status | Compliant | Compliant (/NOPB variant) |
| Lead Free | Yes | — |
| 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 |
| Power-Down Current | — | Microampere-level (see datasheet) |