Overview
The AD8230YRZ-REEL, produced by Analog Devices Inc., is a precision instrumentation amplifier designed for high-accuracy measurements in various applications. This amplifier features a low drift, differential sampling architecture with auto-zeroing technology, which reduces offset voltage drift to less than 50 nV/°C. The AD8230 is well-suited for thermocouple and bridge transducer applications, as well as other precision measurement tasks in harsh environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | ±4 V | ±8 V | V | |
| Gain Range | 101 | 1000 | ||
| Offset Voltage (RTI) | 10 μV | μV | ||
| Offset Drift | 50 nV/°C | nV/°C | ||
| Common-Mode Rejection (CMR) @ 60 Hz | 110 dB | 120 dB | dB | |
| Gain Nonlinearity | 20 ppm | ppm | ||
| Operating Temperature Range | −40°C | +125°C | °C | |
| Package Type | 8-Lead SOIC |
Key Features
- Resistor programmable gain range: 101 to 1000
- Supply voltage range: ±4 V to ±8 V
- Rail-to-rail input and output
- Maintains performance over −40°C to +125°C
- Excellent ac and dc performance with a minimum CMR of 110 dB @ 60 Hz
- Low frequency noise minimized, particularly the 1/f component
- Auto-zeroing topology reduces input and output transients and offset voltage drift
- High common-mode signal rejection and immunity to parasitic noise and temperature effects
Applications
- Pressure measurements
- Temperature measurements
- Strain measurements
- Automotive diagnostics
- Thermocouple and bridge transducer applications
Q & A
- What is the gain range of the AD8230YRZ-REEL?
The gain range of the AD8230YRZ-REEL is programmable from 101 to 1000 using two external resistors.
- What is the supply voltage range for the AD8230YRZ-REEL?
The supply voltage range for the AD8230YRZ-REEL is ±4 V to ±8 V.
- What is the maximum offset voltage of the AD8230YRZ-REEL?
The maximum offset voltage of the AD8230YRZ-REEL is 10 μV (RTI, ±5 V operation).
- How does the AD8230YRZ-REEL handle temperature variations?
The AD8230YRZ-REEL maintains its performance over an extended industrial temperature range of −40°C to +125°C.
- What is the common-mode rejection ratio (CMR) of the AD8230YRZ-REEL?
The CMR of the AD8230YRZ-REEL is a minimum of 110 dB @ 60 Hz.
- How does the auto-zeroing topology benefit the AD8230YRZ-REEL?
The auto-zeroing topology reduces offset voltage drift to less than 50 nV/°C and minimizes input and output transients.
- What package type is the AD8230YRZ-REEL available in?
The AD8230YRZ-REEL is available in an 8-lead SOIC package.
- What are some typical applications of the AD8230YRZ-REEL?
Typical applications include pressure measurements, temperature measurements, strain measurements, and automotive diagnostics.
- How does the AD8230YRZ-REEL handle low frequency noise?
The AD8230YRZ-REEL minimizes low frequency noise, particularly the 1/f component, making it suitable for applications requiring high dc precision.
- What is the significance of the rail-to-rail input and output of the AD8230YRZ-REEL?
The rail-to-rail input and output allow the AD8230YRZ-REEL to operate effectively in noisy environments where ground potentials vary significantly.
