ADS8508IBDWRG4 vs AS1521-T 对比
详细并排对比 ADS8508IBDWRG4 出自 Texas Instruments 和 AS1521-T 出自 ams OSRAM。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Texas Instruments
ADS8508IBDWRG4 - 12-Bit 250kSPS Serial CMOS ADC | Texas Instruments
ADS8508IBDWRG4 ✓ 量产中
规格对比
| 参数 | ADS8508IBDWRG4 | AS1521-T |
|---|---|---|
| 品牌 | Texas Instruments | ams OSRAM |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $7.10 | $2.34 |
| 分辨率 | 12 bit | 10 bit |
| Number of Inputs | 1 | — |
| 采样率 | 250 kSPS | 300 ksps |
| Architecture | SAR (Successive Approximation Register) | SAR (Successive Approximation Register) |
| Input Voltage Ranges | ±3.33 V, ±5 V, ±10 V | — |
| Input Channel Type | Single-ended, bipolar | — |
| SINAD | 73 dB | — |
| Linearity Error (Max) | 0.011% | — |
| 接口 | Serial (SPI/QSPI/Microwire compatible) | SPI / QSPI / MICROWIRE compatible |
| Analog Supply Voltage | 5 V nominal | — |
| Digital Supply Voltage | 5 V nominal | — |
| Internal Reference | 2.5 V | — |
| 工作温度 | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C |
| 封装 | 20-SOIC (DW), wide-body, green (RoHS) | 20-TSSOP, 4.4 mm body width |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant (Pb-Free) | Compliant |
| Number of Channels | — | 8 single-ended / 4 differential |
| 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 |
| 关断电流 | — | 1 µA |
| Maximum Serial Clock | — | 4 MHz |
| INL（积分非线性） | — | ±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) |