AS1521-T vs ADS7822PG4 对比
详细并排对比 AS1521-T 出自 ams OSRAM 和 ADS7822PG4 出自 Texas Instruments。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。
规格对比
| 参数 | AS1521-T | ADS7822PG4 |
|---|---|---|
| 品牌 | ams OSRAM | Texas Instruments |
| 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） | $2.34 | $3.20 |
| 分辨率 | 10 bit | 12 bits |
| Architecture | SAR (Successive Approximation Register) | SAR (Successive Approximation) |
| Number of Channels | 8 single-ended / 4 differential | — |
| 采样率 | 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 | 1.6 mW at 200 kSPS, 5 V supply (typ) |
| 关断电流 | 1 µA | — |
| 接口 | SPI / QSPI / MICROWIRE compatible | — |
| 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 | — |
| 工作温度 | -40 °C to +85 °C | -40 °C to +85 °C |
| 封装 | 20-TSSOP, 4.4 mm body width | 8-PDIP (P) |
| 安装类型 | Surface Mount | Through-Hole |
| Reference Type | External (REF pin) | — |
| RoHS 状态 | Compliant | Compliant (Pb-free suffix G4) |
| Sample Rate | — | 200 kSPS |
| Number of Input Channels | — | 1 single-ended |
| Supply Voltage Range | — | 2.7 V to 5.25 V |
| Analog Input Range | — | 0 V to VREF (or 0 V to VDD with internal reference) |
| Internal Reference | — | 2.5 V (typ) |
| Auto Power-Down | — | Yes (between conversions) |
| Digital Interface | — | SPI / QSPI / MICROWIRE-compatible synchronous serial |
| No Missing Codes | — | 12-bit guaranteed |