AD7780BRZ-REEL vs AD7708BRU-REEL 对比
详细并排对比 AD7780BRZ-REEL 出自 Analog Devices 和 AD7708BRU-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
AD7780BRZ-REEL - 24-Bit Pin-Prog Low-Power Sigma-Delta ADC | ADI
AD7780BRZ-REEL ✓ 量产中Analog Devices
AD7708BRU-REEL - 16-Bit 8/10-Ch Sigma-Delta ADC | Analog Devices
AD7708BRU-REEL ✓ 量产中规格对比
| 参数 | AD7780BRZ-REEL | AD7708BRU-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） | $5.18 | $6.19 |
| 分辨率 | 24 bits | 16 bits |
| Converter Type | Sigma-Delta (Σ-Δ) | — |
| Number of Channels | 1 differential input | — |
| Analog Supply Voltage (AVDD) | 2.7 V to 5.25 V | — |
| Digital Supply Voltage (DVDD) | 2.7 V to 5.25 V | — |
| 电源电流 | 330 µA typical | — |
| On-board PGA Gain Range | 1 to 128 (pin-programmable, 1/2/4/8/16/32/64/128) | — |
| Update Rate | 10 Hz (low-noise) or 16.7 Hz (low-power) | — |
| Reference Input | External or AVDD-tied | External (2.5V typical, e.g. ADR291/AD780) |
| On-chip Oscillator | Yes (no external crystal required) | — |
| Common-Mode Rejection (50 Hz / 60 Hz) | [DATA_NEEDED: CMRR at 50/60 Hz from datasheet] | — |
| Output Data Rate Resolution | 20 bits noise-free (typical, G=128) | — |
| 封装 | 14-SOIC (R-14) narrow body | 28-TSSOP (0.173 in / 4.40 mm width) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度范围 | -40 °C to +85 °C (industrial) | -40 C to +85 C |
| Filter Type | Sinc³ digital filter, pin-programmable | — |
| 接口 | 2-wire serial (read-only via DRDY pin) | — |
| Power-Down Current | [DATA_NEEDED: standby current] | — |
| RoHS 状态 | Compliant | Compliant (AD7708BRUZ variant); non-RoHS on BRU suffix |
| MSL 等级 | 1 (unlimited floor life per JEDEC J-STD-020) | — |
| Number of Input Channels | — | 4 differential / 8 pseudo-differential / 10 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 |
| Factory Calibration | — | Yes, per channel |
| Programmable Gain Amplifier | — | Yes (gains 1 to 128) |
| Input Configuration | — | 4 fully-differential or 8/10 pseudo-differential |
| Pin-Compatible Upgrade | — | AD7718 (24-bit) in same TSSOP-28 / SOIC-28 |
| Packaging | — | Tape & Reel (REEL) |