ADS7824PG4 vs AS1521-T 对比
详细并排对比 ADS7824PG4 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 | ADS7824PG4 | 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） | $11.10 | $2.34 |
| 分辨率 | 12 bits | 10 bit |
| Number of Channels | 4 (single-ended / pseudo-differential) | 8 single-ended / 4 differential |
| 采样率 | 40 kSPS | 300 ksps |
| Conversion Time | 25 us max | — |
| Architecture | SAR (Successive Approximation) | SAR (Successive Approximation Register) |
| 输入电压范围 | ±10 V (industrial, on-chip scaled) | — |
| Channel-to-Channel Matching | ±0.1% | — |
| Linearity (INL) | ±0.5 LSB max | — |
| 电源电压 | +5 V single supply | — |
| Power Dissipation | 50 mW max | — |
| Data Interface | Parallel + Serial | — |
| Reference | Internal 2.5 V | — |
| 工作温度范围 | -40C to +85C | — |
| 封装 | 28-pin PDIP (N) 0.300 inch, through-hole | 20-TSSOP, 4.4 mm body width |
| Lead-Free / RoHS | Yes (G4 suffix, Pb-free) | — |
| 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 |
| 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 |
| 安装类型 | — | Surface Mount |
| Reference Type | — | External (REF pin) |
| RoHS 状态 | — | Compliant |