ADS7822PG4 vs AS1521-T 对比
详细并排对比 ADS7822PG4 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。
规格对比
| 参数 | ADS7822PG4 | 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） | $3.20 | $2.34 |
| 分辨率 | 12 bits | 10 bit |
| Sample Rate | 200 kSPS | — |
| Number of Input Channels | 1 single-ended | — |
| Architecture | SAR (Successive Approximation) | SAR (Successive Approximation Register) |
| 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) | — |
| Power Consumption | 1.6 mW at 200 kSPS, 5 V supply (typ) | 3.6 mW at 3 V, 300 ksps |
| Auto Power-Down | Yes (between conversions) | — |
| Digital Interface | SPI / QSPI / MICROWIRE-compatible synchronous serial | — |
| No Missing Codes | 12-bit guaranteed | — |
| 工作温度 | -40 °C to +85 °C | -40 °C to +85 °C |
| 封装 | 8-PDIP (P) | 20-TSSOP, 4.4 mm body width |
| 安装类型 | Through-Hole | Surface Mount |
| RoHS 状态 | Compliant (Pb-free suffix G4) | Compliant |
| 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 |
| 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 |
| Reference Type | — | External (REF pin) |