AS1531 vs AS1521-T Comparison
Detailed side-by-side comparison of AS1531 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 | 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) | $4.10 | $2.34 |
| Resolution | 12 bits | 10 bit |
| Sample Rate | 300 ksps | — |
| Number of Input Channels | 4 single-ended / 2 pseudo-differential (8 with COM pin) | — |
| Supply Voltage (VDD) | +2.7 V to +3.6 V | — |
| Supply Current (300 ksps) | 2.2 mA | — |
| Supply Current (Reduced-Power Mode) | [DATA_NEEDED: reduced-power mode current] | — |
| Supply Current (Power-Down) | [DATA_NEEDED: power-down current] | — |
| Internal Reference Voltage | 2.5 V | — |
| Analog Input Range (Single-Ended) | 0 V to VREF | — |
| Analog Input Range (Pseudo-Differential) | 0 V to 2xVREF | — |
| Interface | SPI / QSPI / MICROWIRE-compatible serial | SPI / QSPI / MICROWIRE compatible |
| Architecture | SAR (Successive Approximation Register) | SAR (Successive Approximation Register) |
| Integral Nonlinearity (INL) | [DATA_NEEDED: INL max] | — |
| Differential Nonlinearity (DNL) | [DATA_NEEDED: DNL max] | — |
| Signal-to-Noise + Distortion (SINAD) | [DATA_NEEDED: SINAD] | — |
| Package | 20-pin TSSOP | 20-TSSOP, 4.4 mm body width |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40 °C to +85 °C |
| RoHS Status | Compliant (per DigiKey listing) | Compliant |
| Number of Channels | — | 8 single-ended / 4 differential |
| Sampling Rate | — | 300 ksps |
| Input Type | — | Differential, Pseudo-Differential, Single-Ended |
| Supply Voltage (Single) | — | 2.7 V to 5.25 V |
| Supply Current (Full Speed) | — | 1.1 mA typical |
| Power Consumption | — | 3.6 mW at 3 V, 300 ksps |
| Shutdown Current | — | 1 µA |
| 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 |
| Mounting Type | — | Surface Mount |
| Reference Type | — | External (REF pin) |