AS1531-T vs AS1521-T Comparison
Detailed side-by-side comparison of AS1531-T by ams OSRAM and AS1521-T by ams OSRAM. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | AS1531-T | AS1521-T |
|---|---|---|
| Brand | ams OSRAM | ams OSRAM |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.55 | $2.34 |
| Resolution | 12 bits | 10 bit |
| Architecture | SAR (Successive Approximation Register) | SAR (Successive Approximation Register) |
| Number of Input Channels | 4 or 8 (single-ended, multiplexed) | — |
| Sampling Rate | 300 ksps (AS1531); up to 400 ksps (AS1530 variant) | 300 ksps |
| Supply Voltage (Single) | 2.7 V to 5.25 V | 2.7 V to 5.25 V |
| Supply Current (Active) | [DATA_NEEDED: typical active current at 3V/5V] | — |
| Supply Current (Power-Down) | [DATA_NEEDED: typical power-down current in uA] | — |
| Analog Input Range | 0 V to VREF | — |
| Reference Voltage | External, up to VDD | — |
| Data Interface | MICROWIRE, QSPI, SPI, Serial | — |
| Input Type | Single-Ended, pseudo-differential (configurable) | Differential, Pseudo-Differential, Single-Ended |
| Operating Temperature | -40 C to +85 C (industrial) | -40 °C to +85 °C |
| Package | 20-pin TSSOP | 20-TSSOP, 4.4 mm body width |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape and Reel (TR) | — |
| RoHS Status | Compliant | Compliant |
| INL (max) | [DATA_NEEDED: max INL in LSB] | — |
| DNL (max) | [DATA_NEEDED: max DNL in LSB] | — |
| THD | Approximately -80 dB (class-typical for 12-bit SAR at low input frequency) | — |
| Number of Channels | — | 8 single-ended / 4 differential |
| Supply Current (Full Speed) | — | 1.1 mA typical |
| Power Consumption | — | 3.6 mW at 3 V, 300 ksps |
| Shutdown Current | — | 1 µA |
| Interface | — | SPI / QSPI / MICROWIRE compatible |
| Maximum Serial Clock | — | 4 MHz |
| INL (Integral Nonlinearity) | — | ±0.5 LSB (max) |
| DNL (Differential Nonlinearity) | — | ±0.5 LSB (max, no missing codes) |
| SINAD at 100 kHz Input | — | 71 dB |
| Reference Type | — | External (REF pin) |