AD7708BRU-REEL vs AD7709ARU-REEL 对比
详细并排对比 AD7708BRU-REEL 出自 Analog Devices 和 AD7709ARU-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
AD7708BRU-REEL - 16-Bit 8/10-Ch Sigma-Delta ADC | Analog Devices
AD7708BRU-REEL ✓ 量产中Analog Devices
AD7709ARU-REEL - 16-Bit Sigma-Delta ADC w/ Current Sources | Analog Devices
AD7709ARU-REEL ✓ 量产中规格对比
| 参数 | AD7708BRU-REEL | AD7709ARU-REEL |
|---|---|---|
| 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） | $6.19 | $7.10 |
| 分辨率 | 16 bits | — |
| Number of Input Channels | 4 differential / 8 pseudo-differential / 10 pseudo-differential | 2 (fully-differential) or 4 (pseudo-differential) |
| ADC Architecture | Sigma-Delta | — |
| Supply Voltage Range | 2.7 V to 5.25 V (AVDD, DVDD) | — |
| Data Interface | DSP, MICROWIRE, QSPI, Serial, SPI | SPI, QSPI, MICROWIRE, DSP-compatible serial |
| 封装 | 28-TSSOP (0.173 in / 4.40 mm width) | 24-TSSOP (4.40 mm body width) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度范围 | -40 C to +85 C | -40 °C to +85 °C (industrial) |
| Factory Calibration | Yes, per channel | — |
| Programmable Gain Amplifier | Yes (gains 1 to 128) | — |
| Reference Input | External (2.5V typical, e.g. ADR291/AD780) | — |
| Input Configuration | 4 fully-differential or 8/10 pseudo-differential | — |
| Pin-Compatible Upgrade | AD7718 (24-bit) in same TSSOP-28 / SOIC-28 | — |
| RoHS 状态 | Compliant (AD7708BRUZ variant); non-RoHS on BRU suffix | Compliant |
| Packaging | Tape & Reel (REEL) | Tape & Reel (TR) |
| Number of Bits | — | 16 |
| Architecture | — | Sigma-Delta (Σ-Δ) |
| 采样率 | — | 105 sps |
| Input Voltage Range (unipolar) | — | 1.024 V to 6.144 V |
| Input Voltage Range (bipolar) | — | ±1.024 V to ±6.144 V |
| PGA Gain Range | — | 1 to 128 |
| Analog Supply Voltage (AVDD) | — | 2.7 V to 5.25 V |
| Digital Supply Voltage (DVDD) | — | 2.7 V to 5.25 V |
| Excitation Current Sources | — | 3 switchable, software-selectable (typ. 10 µA / 200 µA / 1 mA) |
| 50/60 Hz Rejection | — | Simultaneous, at 20 Hz update rate |
| Output Update Rate | — | 20 Hz (10 Hz, 25 Hz also programmable) |
| On-chip Calibration | — | Self-calibration and system calibration registers |
| Digital I/O | — | 4-bit GPIO port |
| Low-Side Power Switches | — | Yes, internal FET switches for sensor power gating |
| Power Dissipation | — | [DATA_NEEDED: power dissipation value] |
| MSL 等级 | — | [DATA_NEEDED: MSL level] |