AD7709ARU-REEL vs AD7708BRU-REEL Comparison
Detailed side-by-side comparison of AD7709ARU-REEL by Analog Devices and AD7708BRU-REEL by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Analog Devices
AD7709ARU-REEL - 16-Bit Sigma-Delta ADC w/ Current Sources | Analog Devices
AD7709ARU-REEL ✓ ActiveAnalog Devices
AD7708BRU-REEL - 16-Bit 8/10-Ch Sigma-Delta ADC | Analog Devices
AD7708BRU-REEL ✓ ActiveSpecification Comparison
| Parameter | AD7709ARU-REEL | AD7708BRU-REEL |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.10 | $6.19 |
| Number of Bits | 16 | — |
| Number of Input Channels | 2 (fully-differential) or 4 (pseudo-differential) | 4 differential / 8 pseudo-differential / 10 pseudo-differential |
| Architecture | Sigma-Delta (Σ-Δ) | — |
| Sampling Rate | 105 sps | — |
| Data Interface | SPI, QSPI, MICROWIRE, DSP-compatible serial | DSP, MICROWIRE, QSPI, Serial, SPI |
| 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] | — |
| Operating Temperature Range | -40 °C to +85 °C (industrial) | -40 C to +85 C |
| Package | 24-TSSOP (4.40 mm body width) | 28-TSSOP (0.173 in / 4.40 mm width) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | Tape & Reel (REEL) |
| MSL Level | [DATA_NEEDED: MSL level] | — |
| RoHS Status | Compliant | Compliant (AD7708BRUZ variant); non-RoHS on BRU suffix |
| Resolution | — | 16 bits |
| ADC Architecture | — | Sigma-Delta |
| Supply Voltage Range | — | 2.7 V to 5.25 V (AVDD, DVDD) |
| 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 |