ADC121S021CISDX vs AS1541-BQFT Comparison
Detailed side-by-side comparison of ADC121S021CISDX by Texas Instruments and AS1541-BQFT by ams OSRAM. 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 Obsolete
Specification Comparison
| Parameter | ADC121S021CISDX | AS1541-BQFT |
|---|---|---|
| Brand | Texas Instruments | ams OSRAM |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Obsolete | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.85 | $2.83 |
| Resolution | 12 bit | 10 bits |
| Number of Channels | 1 | — |
| Converter Type | SAR (Successive Approximation Register) | 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 | 16-TQFN (4x4 mm) with exposed pad |
| Operating Temperature | -40C to +85C (industrial) | — |
| Power-Down Current | Microampere-level (see datasheet) | — |
| RoHS Status | Compliant (/NOPB variant) | Compliant |
| Number of Input Channels | — | 4 (single-ended) |
| Sampling Rate | — | 50 ksps |
| Data Interface | — | I2C (Standard 100 kHz / Fast 400 kHz) |
| Analog Supply Voltage | — | 2.7 V to 5.25 V |
| Supply Current (typ) | — | 1.5 mA at 50 ksps |
| Internal Reference | — | 2.5 V |
| External Reference Support | — | Yes |
| Input Configuration | — | Single-ended, software-selected via MUX |
| Mounting Type | — | Surface Mount |
| Operating Temperature Range | — | [DATA_NEEDED: Operating Temperature Range] |
| MSL Level | — | [DATA_NEEDED: MSL Level] |
| Track-and-Hold | — | On-chip |
| Hardware Address Select | — | Yes (AS pin, supports 2 addresses) |
| Power-Down Mode | — | Yes (software-controlled) |