AS1541-BQFT vs ADC121S021CISDX Comparison
Detailed side-by-side comparison of AS1541-BQFT by ams OSRAM 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
ADC121S021CISDX - 12-Bit 50-200ksps SAR ADC | Texas Instruments
ADC121S021CISDX ObsoleteSpecification Comparison
| Parameter | AS1541-BQFT | ADC121S021CISDX |
|---|---|---|
| Brand | ams OSRAM | Texas Instruments |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Active | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.83 | $1.85 |
| Resolution | 10 bits | 12 bit |
| Number of Input Channels | 4 (single-ended) | — |
| Converter Type | SAR (Successive Approximation Register) | SAR (Successive Approximation Register) |
| 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 | — |
| Package | 16-TQFN (4x4 mm) with exposed pad | 6-pin WSON (2.2 x 2.5 mm) with exposed thermal pad |
| Mounting Type | Surface Mount | — |
| Operating Temperature Range | [DATA_NEEDED: Operating Temperature Range] | — |
| MSL Level | [DATA_NEEDED: MSL Level] | — |
| RoHS Status | Compliant | Compliant (/NOPB variant) |
| Track-and-Hold | On-chip | — |
| Hardware Address Select | Yes (AS pin, supports 2 addresses) | — |
| Power-Down Mode | Yes (software-controlled) | — |
| Number of Channels | — | 1 |
| 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 |
| Operating Temperature | — | -40C to +85C (industrial) |
| Power-Down Current | — | Microampere-level (see datasheet) |