Overview
The ADA4254ARUZ-RL, produced by Analog Devices Inc., is a zero drift, high voltage, low power programmable gain instrumentation amplifier (PGIA). This device is specifically designed for process control and industrial applications, offering high precision, robustness, and low power consumption. The ADA4254 features a zero drift amplifier topology that self-calibrates DC errors and low frequency 1/f noise, ensuring excellent DC precision over a wide temperature range.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Consumption | 22 mW | - |
| Gain Settings | 12 binary weighted gains (1/16 V/V to 128 V/V) and 3 scaling gains (1 V/V, 1.25 V/V, 1.375 V/V) | - |
| Input Offset Voltage | ±14 μV maximum | μV |
| Input Offset Voltage Drift | ±0.08 μV/°C maximum | μV/°C |
| Gain Drift | ±1 ppm/°C maximum | ppm/°C |
| CMRR | 116 dB minimum (G = 1 V/V) | dB |
| Input Bias Current | ±1.5 nA maximum | nA |
| Input Impedance | High input impedance | - |
| Input Supply Range | ±5 V to ±28 V | V |
| Temperature Range | −40°C to +105°C | °C |
| Package | 24-lead TSSOP | - |
Key Features
- Zero drift amplifier topology for excellent DC precision
- Low power consumption of 22 mW
- 12 binary weighted gains and 3 scaling gain options, resulting in 36 possible gain settings
- ±60 V protected input multiplexer
- Integrated input EMI filtering
- High CMRR of 116 dB minimum (G = 1 V/V)
- Low input bias current and high input impedance
- 7 GPIO ports with special functions
- Sequential chip select mode and external multiplexer control
- Excitation current sources and SPI port with CRC support
- Internal fault detection and wire break test currents
- On-chip test multiplexer
Applications
- Universal process control front ends
- Data acquisition systems
- Test and measurement systems
Q & A
- What is the ADA4254ARUZ-RL used for?
The ADA4254ARUZ-RL is used in process control and industrial applications, particularly in universal process control front ends, data acquisition systems, and test and measurement systems.
- What are the key features of the ADA4254ARUZ-RL?
The key features include zero drift amplifier topology, low power consumption, 36 possible gain settings, ±60 V protected input multiplexer, integrated input EMI filtering, and high CMRR.
- What is the power consumption of the ADA4254ARUZ-RL?
The power consumption is 22 mW.
- What is the temperature range of the ADA4254ARUZ-RL?
The specified temperature range is −40°C to +105°C.
- What types of packages are available for the ADA4254ARUZ-RL?
The device is available in a 24-lead TSSOP package.
- Does the ADA4254ARUZ-RL have built-in safety features?
Yes, it includes internal fault detection, wire break test currents, and SPI port with CRC support for robust communication.
- What is the input offset voltage of the ADA4254ARUZ-RL?
The input offset voltage is ±14 μV maximum.
- Does the ADA4254ARUZ-RL support multiple gain settings?
Yes, it offers 12 binary weighted gains and 3 scaling gain options, resulting in 36 possible gain settings.
- What is the CMRR of the ADA4254ARUZ-RL?
The CMRR is 116 dB minimum (G = 1 V/V).
- Does the ADA4254ARUZ-RL have GPIO ports?
Yes, it includes 7 GPIO ports with special functions.
