Overview
The AD8250ARMZ-R7, produced by Analog Devices Inc., is a programmable gain instrumentation amplifier designed for high-performance applications. It features digitally programmable gains, high input impedance, low output noise, and low distortion, making it ideal for interfacing with sensors and driving high sample rate analog-to-digital converters (ADCs). The amplifier boasts a wide supply range of ±5 V to ±15 V and operates over a temperature range of −40°C to +85°C. Its compact 10-lead MSOP package makes it suitable for applications where size and packing density are critical.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Programmable Gains | 1, 2, 5, 10 | - | ||
| Input Impedance | GΩ | - | ||
| Supply Voltage | ±5 | - | ±15 | V |
| Bandwidth | 10 MHz | - | ||
| Slew Rate | 20 | - | - | V/μs |
| Settling Time | 615 ns to 0.001% | - | ||
| Total Harmonic Distortion (THD) | −110 dB at 1 kHz | - | ||
| Common-Mode Rejection Ratio (CMRR) | 80 | - | - | dB to 50 kHz |
| Input Offset Drift | 1.7 μV/°C | - | ||
| Gain Drift | 10 ppm/°C | - | ||
| Noise | 18 nV/√Hz | - | ||
| Quiescent Current | 3.7 | 4.1 | 4.5 | mA |
| Operating Temperature | −40 | - | +85 | °C |
Key Features
- Digitally programmable gains of 1, 2, 5, and 10
- High input impedance (GΩ) and low output noise
- Low distortion with −110 dB THD at 1 kHz
- Fast settling time of 615 ns to 0.001%
- High slew rate of 20 V/μs
- High CMRR of 80 dB to 50 kHz
- Low offset drift of 1.7 μV/°C and gain drift of 10 ppm/°C
- Wide supply range of ±5 V to ±15 V
- Compact 10-lead MSOP package
- Operating temperature range of −40°C to +85°C
Applications
- Data acquisition systems
- Biomedical analysis and medical devices
- Test and measurement equipment
- Industrial automation and control systems
- Sensor interfacing and signal conditioning
Q & A
- What are the programmable gain settings of the AD8250ARMZ-R7?
The AD8250ARMZ-R7 has programmable gains of 1, 2, 5, and 10.
- What is the input impedance of the AD8250ARMZ-R7?
The input impedance is GΩ.
- What is the bandwidth of the AD8250ARMZ-R7?
The bandwidth is 10 MHz.
- What is the slew rate of the AD8250ARMZ-R7?
The slew rate is 20 V/μs.
- What is the common-mode rejection ratio (CMRR) of the AD8250ARMZ-R7?
The CMRR is 80 dB to 50 kHz.
- What is the input offset drift of the AD8250ARMZ-R7?
The input offset drift is 1.7 μV/°C.
- What is the gain drift of the AD8250ARMZ-R7?
The gain drift is 10 ppm/°C.
- What is the noise level of the AD8250ARMZ-R7?
The noise level is 18 nV/√Hz.
- What is the quiescent current of the AD8250ARMZ-R7?
The quiescent current is 4.1 mA.
- What is the operating temperature range of the AD8250ARMZ-R7?
The operating temperature range is −40°C to +85°C.
