AD7738BRU-REEL7 vs AD7794BRU-REEL 对比
详细并排对比 AD7738BRU-REEL7 出自 Analog Devices 和 AD7794BRU-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。
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 | AD7738BRU-REEL7 | AD7794BRU-REEL |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | 最后采购期 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $18.50 | $5.70 |
| 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 | — |
| Effective Resolution | 16-bit p-p (18-bit p-p at lower throughput) | Up to 23 bits RMS (at 4.17 Hz / 16.7 Hz ODR) |
| 接口 | SPI / QSPI / MICROWIRE compatible, Schmitt-triggered | — |
| 封装 | TSSOP-28 (4.4 mm body width) | 24-TSSOP (RU-24, 4.40 mm width) |
| 工作温度 | -40 C to +105 C | -40 C to +85 C |
| 安装类型 | Surface Mount | Surface Mount |
| Screening Level | Industrial | — |
| Lead Finish | Tin (Sn) matte | — |
| 生命周期状态 | Last Time Buy (per Analog Devices product page) | — |
| RoHS 状态 | Compliant (Pb-free matte tin) | [DATA_NEEDED: parameter not in provided snippet] |
| 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) |
| 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 |
| Packaging | — | Tape & Reel |