نظرة عامة على المنتج
The AD7795BRUZ from Analog Devices is a 6-channel, 16-bit sigma-delta ADC with an integrated low-noise programmable gain instrumentation amplifier and on-chip reference. Optimized for high-precision measurement applications, it features up to 23-bit effective resolution, RMS noise of 40 nV at 4.17 Hz, and 400 uA typical current consumption in a 24-pin TSSOP package.
المواصفات الرئيسية
| Resolution | 16 bits (up to 23-bit effective) |
| عدد القنوات | 6 differential inputs |
| RMS Noise | 40 nV at 4.17 Hz, 85 nV at 16.7 Hz |
| Output Data Rate | 4.17 Hz to 470 Hz |
| Supply Current | 400 uA typical |
| Power-Down Current | 1 uA max |
| Input Range | Programmable gain: 1 to 128 |
| Operating Voltage | 2.7 V to 5.25 V |
| درجة حرارة التشغيل | -40°C to 105°C |
الميزات
- Up to 23-bit effective resolution for ultra-precise measurements
- Low-noise programmable gain instrumentation amplifier (gain 1-128)
- On-chip low-drift bandgap reference (4 ppm/°C typical)
- Simultaneous 50 Hz/60 Hz rejection
- 6 differential analog input channels with multiplexer
- Programmable excitation current sources
- Internal clock oscillator, no external crystal required
- Bias voltage generator for sensor biasing
التطبيقات
- Precision temperature and pressure measurement
- Weigh scales and strain gauge sensors
- Gas analysis instrumentation
- Industrial process control