AD7994BRU-0REEL vs AD7904BRU-REEL 对比
详细并排对比 AD7994BRU-0REEL 出自 Analog Devices 和 AD7904BRU-REEL 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 | AD7994BRU-0REEL | AD7904BRU-REEL |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | 有效 | 最后采购期 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.68 | $5.20 |
| Number of Channels | 4 | 4 single-ended |
| 分辨率 | 12 bit | 8 bits |
| Architecture | SAR (Successive Approximation) | SAR (Successive Approximation) |
| 采样率 | 188 kSPS | 1 MSPS |
| Conversion Time | 2 us (typical) | — |
| Input Type | Single-Ended | Single-ended, 0 V to VREF or 0 V to 2xVREF |
| Input Bandwidth | 11 MHz (track-and-hold) | — |
| Supply Voltage (VDD) | 2.7 V to 5.5 V | — |
| 接口 | I2C-compatible (Standard, Fast, High-Speed modes) | — |
| Address Selection | Pin-selectable via AS pin | — |
| Sequencer | Automatic cycle mode for sequential channel scan | — |
| 关断电流 | 1 uA max (automatic shutdown mode) | ~1 µA (SLEEP pin) |
| 封装 | 16-pin TSSOP (RU-16) | 16-TSSOP (RU-16), 4.40 mm body width |
| 工作温度 | -40C to +125C | -40°C to +85°C |
| 安装类型 | Surface Mount | Surface Mount |
| Reel Diameter | 7-inch reel (REEL7 suffix per JEDEC standard packaging) | — |
| RoHS 状态 | Compliant | Compliant |
| Supply Voltage (AVDD) | — | 2.7 V to 5.25 V |
| Logic Supply (VDRIVE) | — | 2.7 V to 5.25 V |
| Power Dissipation at 1 MSPS (3 V) | — | 6 mW typical |
| Power Dissipation at 1 MSPS (5 V) | — | 13.5 mW maximum |
| INL | — | ±1 LSB (typical) |
| DNL | — | ±1 LSB (typical) |
| Data Interface | — | SPI, QSPI, MICROWIRE, DSP-compatible serial |
| On-chip Sequencer | — | Yes (4-channel auto-cycle) |
| Packaging | — | Tape & Reel (13-inch reel) |