AD7899AR-3REEL vs AD7899SR-1REEL7 对比
详细并排对比 AD7899AR-3REEL 出自 Analog Devices 和 AD7899SR-1REEL7 出自 Analog Devices。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 | AD7899AR-3REEL | AD7899SR-1REEL7 |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 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） | $11.62 | $11.10 |
| 分辨率 | 14 bits | 14 bits |
| Number of Channels | 1 | — |
| Architecture | SAR (Successive Approximation) | SAR (Successive Approximation) |
| Sample Rate | 400 kSPS | — |
| Acquisition Time (Track/Hold) | 0.3 µs | — |
| Conversion Time | 2.0 µs / 2.2 µs | 2.2 µs |
| Input Voltage Range (-3 variant) | ±10 V | — |
| Input Voltage Range (-1 variant) | 0 V to +5 V | — |
| Input Voltage Range (-2 variant) | ±5 V | — |
| Supply Voltage (Single) | +5 V (±5%) | +5 V nominal |
| Internal Reference | 2.5 V | — |
| 接口 | Parallel | — |
| 工作温度 | -40 °C to +85 °C | -55 °C to +125 °C |
| 封装 | 28-pin SOIC (Wide) | 28-SOIC (Wide, 0.295" / 7.50 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Lead-Free / RoHS | Compliant (per -REEL suffix marking convention) | — |
| 采样率 | — | 400 kSPS |
| Number of Inputs | — | 1 single-ended |
| Analog Input Range | — | ±10 V, ±5 V, ±2.5 V, 0 to 2.5 V, 0 to 5 V |
| Track/Hold Acquisition Time | — | 0.3 µs |
| Absolute Input Voltage | — | ±5 V (rated) |
| Integral Reference | — | 2.5 V (on-chip) |
| On-chip Clock Oscillator | — | Yes (internal) |
| Digital Interface | — | Parallel (high-speed, 14-bit) |
| Lead / Termination Finish | — | Lead, Tin (SnPb finish indicated) |
| RoHS 状态 | — | [DATA_NEEDED: confirm RoHS status] |