AD7794BRU-REEL vs AD7738BRU-REEL7 对比
详细并排对比 AD7794BRU-REEL 出自 Analog Devices 和 AD7738BRU-REEL7 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。
Analog Devices
AD7738BRU-REEL7 - 8-Ch 24-Bit Sigma-Delta ADC, TSSOP-28 | ADI
AD7738BRU-REEL7 ⚠ 最后一次采购规格对比
| 参数 | AD7794BRU-REEL | AD7738BRU-REEL7 |
|---|---|---|
| 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） | $5.70 | $18.50 |
| Number of Bits | 24 | — |
| Number of Input Channels | 6 (differential or pseudo-differential) | — |
| Architecture | Sigma-Delta | — |
| 采样率 | 4.17 Hz to 470 Hz (programmable, output data rate) | — |
| Effective Resolution | Up to 23 bits RMS (at 4.17 Hz / 16.7 Hz ODR) | 16-bit p-p (18-bit p-p at lower throughput) |
| On-Chip Reference | 2.5 V embedded bandgap | — |
| On-Chip In-Amp Gain | 1 to 128 (programmable) | — |
| Analog Supply Voltage (AVDD) | 2.7 V to 5.5 V | — |
| Digital Supply Voltage (DVDD) | 1.8 V to 5.5 V | — |
| Supply Current (typical) | 400 uA | — |
| Excitation Currents | 10 uA / 100 uA / 1 mA programmable | — |
| Data Interface | SPI, QSPI, MICROWIRE, DSP-compatible serial | — |
| 封装 | 24-TSSOP (RU-24, 4.40 mm width) | TSSOP-28 (4.4 mm body width) |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel | — |
| 工作温度 | -40 C to +85 C | -40 C to +105 C |
| RoHS 状态 | [DATA_NEEDED: parameter not in provided snippet] | Compliant (Pb-free matte tin) |
| 分辨率 | — | 24 bits |
| Number of Channels | — | 4 / 8 (differential inputs) |
| ADC Architecture | — | Sigma-Delta |
| Throughput | — | 8.5 kHz per channel (117 us conversion) |
| Analog Input Range | — | -2.9 V to +2.9 V |
| Analog Supply Voltage | — | 5 V nominal |
| Digital Supply Voltage | — | 2.7 V to 5.25 V |
| INL（积分非线性） | — | 0.0015% (15 ppm) |
| No Missing Codes | — | 24-bit guaranteed |
| 接口 | — | SPI / QSPI / MICROWIRE compatible, Schmitt-triggered |
| Screening Level | — | Industrial |
| Lead Finish | — | Tin (Sn) matte |
| 生命周期状态 | — | Last Time Buy (per Analog Devices product page) |