Overview
The AD8236ARMZ-RL, produced by Analog Devices Inc., is a highly advanced instrumentation amplifier known for its ultra-low power consumption and high performance. It is designed to operate with rail-to-rail outputs and can function on supply voltages as low as 1.8 V, making it ideal for battery-powered applications. The AD8236 features a unique input stage that eliminates crossover distortion, providing a wide common-mode voltage range and high common-mode rejection ratio (CMRR) of up to 110 dB. This amplifier is packaged in a space-saving MSOP-8 form factor, enhancing its suitability for compact and power-efficient designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 1.8 | 5.5 | V | |
| Quiescent Current | 30 | 40 | μA | |
| Input Bias Current | 1 | pA | ||
| Input Offset Current | 0.5 | pA | ||
| CMRR (G = 100) | 100 | 110 | dB | |
| Gain Range | 5 | 2001 | V/V | |
| Small Signal Bandwidth (G = 5) | 23 | kHz | ||
| Slew Rate (G = 5 to 100) | 9 | mV/μs | ||
| Operating Temperature Range | -40 | 125 | °C |
Key Features
- Ultra-low power consumption with a maximum supply current of 40 μA, making it suitable for battery-powered applications.
- Rail-to-rail input and output stages, allowing for a wide common-mode voltage range.
- High CMRR of up to 110 dB, ensuring excellent noise rejection.
- Low input bias current of 1 pA and low input offset current of 0.5 pA.
- Gain settable with a single resistor, offering flexibility in design.
- No input crossover distortion due to the innovative input stage design.
- Compact MSOP-8 package, ideal for space-constrained designs.
Applications
- Medical instrumentation: Suitable for low-power medical devices due to its low noise and high CMRR.
- Low-side current sensing: Ideal for applications requiring precise current measurement.
- Portable devices: Its low power consumption makes it a great choice for battery-powered portable devices.
- Industrial automation: Can be used in various industrial applications requiring high accuracy and low power consumption.
Q & A
- What is the minimum supply voltage for the AD8236ARMZ-RL? The minimum supply voltage is 1.8 V.
- What is the maximum quiescent current of the AD8236ARMZ-RL? The maximum quiescent current is 40 μA.
- What is the input bias current of the AD8236ARMZ-RL? The input bias current is 1 pA.
- What is the CMRR of the AD8236ARMZ-RL at a gain of 100? The CMRR at a gain of 100 is up to 110 dB.
- How is the gain of the AD8236ARMZ-RL set? The gain is settable with a single resistor.
- What is the typical small signal bandwidth of the AD8236ARMZ-RL at a gain of 5? The typical small signal bandwidth at a gain of 5 is 23 kHz.
- What is the operating temperature range of the AD8236ARMZ-RL? The operating temperature range is from -40°C to 125°C.
- What package type is the AD8236ARMZ-RL available in? The AD8236ARMZ-RL is available in an MSOP-8 package.
- Is the AD8236ARMZ-RL suitable for medical instrumentation? Yes, it is suitable due to its low noise and high CMRR.
- Can the AD8236ARMZ-RL be used in portable devices? Yes, it is ideal for portable devices due to its low power consumption.
