Description
7Semi ADS1263 32bit ADC with PGA Breakout
The 7Semi ADS1263 32‑bit ADC with PGA Breakout is a high‑precision analog‑to‑digital converter board, designed for applications requiring extremely accurate measurements. It uses a 32‑bit Delta‑Sigma (ΔΣ) ADC core and includes a programmable gain amplifier (PGA), allowing for direct interfacing with low‑level analog sensors in demanding instrumentation environments. Its compact breakout board form factor makes it ideal for integration in prototypes, research setups, and advanced measurement systems.
Technical Specifications:
- ADC Resolution: 32‑bit Delta‑Sigma core
- Auxiliary ADC: 24‑bit Delta‑Sigma for background monitoring
- Data Rate: Adjustable from 2.5 SPS to 38,400 SPS
- PGA Gain Range: Configurable from 1× to 32×
- Input Channels: Multiple (11 analog inputs)
- Linearity: ~3 ppm
- Noise Performance: ~7 nV RMS @ 2.5 SPS, gain = 32
- Offset Drift: ~1 nV/°C
- Gain Drift: ~0.5 ppm/°C
- Reference Voltage: Internal 2.5 V, ~2 ppm/°C drift
- Line Interference Rejection: 50 Hz/60 Hz notch
- Excitation Sources: Dual current sources for RTDs, sensors
- Diagnostics: Built-in fault detection and internal test signal
- Interface: SPI communication
- Board Type: Compact breakout board
Features:
- Ultra-high-resolution 32-bit conversion for precision sensor readings
- Integrated PGA for amplifying microvolt-level sensor outputs
- Wide sampling range supports both slow and fast acquisition
- Minimal temperature drift and low noise ideal for long-term stability
- On-board reference and excitation sources eliminate external components
- Built-in diagnostic features for sensor health and signal integrity
- Compact board ideal for embedded and experimental setups
- Suitable for single-supply systems due to integrated analog front end
Applications:
- Precision load cell or strain gauge measurement
- RTD and thermocouple temperature monitoring
- High-resolution data acquisition systems
- Laboratory instrumentation and calibration devices
- Analog front-end for industrial sensors
- Low-noise, high-accuracy embedded systems
- Scientific measurement and research experiments
- Smart sensor interfacing and signal digitization



