Overview
The AD8250ARMZ is an instrumentation amplifier produced by Analog Devices Inc. It is designed with digitally programmable gains, making it highly versatile for various applications. This amplifier features high input impedance, low output noise, and low distortion, which are crucial for interfacing with sensors and driving high sample rate analog-to-digital converters (ADCs). The AD8250ARMZ boasts a high bandwidth of 10 MHz, fast settling time of 615 ns to 0.001%, and a high slew rate of 20 V/μs, ensuring excellent ac performance. Its precision dc performance, including low offset drift and gain drift, makes it an excellent candidate for data acquisition and other precision applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Bandwidth | 10 MHz | |
| Programmable Gains | 1, 2, 5, 10 | |
| Input Impedance | GΩ | |
| Supply Voltage Range | ±5 V to ±15 V | |
| Common-Mode Rejection Ratio (CMRR) | 98 dB (min) at G = 10, 80 dB to 50 kHz (min) at G = 1 | |
| Offset Drift | 1.7 μV/°C (max) at G = 10 | |
| Gain Drift | 10 ppm/°C (max) at G = 10 | |
| Settling Time | 615 ns to 0.001% (max) | |
| Slew Rate | 20 V/μs (min) | |
| Total Harmonic Distortion (THD) | −110 dB at 1 kHz | |
| Noise | 18 nV/√Hz (max) at G = 10 | |
| Power Consumption | 4.1 mA | |
| Package Type | 10-lead MSOP | |
| Temperature Range | −40°C to +85°C |
Key Features
- Digitally programmable gains of 1, 2, 5, and 10
- High input impedance (GΩ)
- Low output noise and distortion
- High bandwidth of 10 MHz
- Fast settling time of 615 ns to 0.001%
- High slew rate of 20 V/μs
- Excellent dc performance with low offset drift (1.7 μV/°C) and gain drift (10 ppm/°C) at G = 10
- High CMRR of 98 dB (min) at G = 10 and 80 dB to 50 kHz (min) at G = 1
- Low power consumption of 4.1 mA
- Compact 10-lead MSOP package
- Wide supply voltage range of ±5 V to ±15 V
Applications
- Data acquisition
- Biomedical analysis
- Test and measurement
- Interfacing with sensors and driving high sample rate ADCs
Q & A
- What are the programmable gain settings of the AD8250ARMZ?
The AD8250ARMZ has programmable gains of 1, 2, 5, and 10.
- What is the bandwidth of the AD8250ARMZ?
The bandwidth of the AD8250ARMZ is 10 MHz.
- What is the input impedance of the AD8250ARMZ?
The input impedance of the AD8250ARMZ is GΩ.
- What is the supply voltage range for the AD8250ARMZ?
The supply voltage range for the AD8250ARMZ is ±5 V to ±15 V.
- What is the common-mode rejection ratio (CMRR) of the AD8250ARMZ?
The CMRR of the AD8250ARMZ is 98 dB (min) at G = 10 and 80 dB to 50 kHz (min) at G = 1.
- What is the settling time of the AD8250ARMZ?
The settling time of the AD8250ARMZ is 615 ns to 0.001% (max).
- What is the slew rate of the AD8250ARMZ?
The slew rate of the AD8250ARMZ is 20 V/μs (min).
- What is the total harmonic distortion (THD) of the AD8250ARMZ?
The THD of the AD8250ARMZ is −110 dB at 1 kHz.
- What is the noise level of the AD8250ARMZ?
The noise level of the AD8250ARMZ is 18 nV/√Hz (max) at G = 10.
- What is the power consumption of the AD8250ARMZ?
The power consumption of the AD8250ARMZ is 4.1 mA.
- In what package type is the AD8250ARMZ available?
The AD8250ARMZ is available in a 10-lead MSOP package.
