Overview
The AD8220BRMZ-R7, produced by Analog Devices Inc., is a single-supply, JFET input instrumentation amplifier. It is designed to meet the needs of high-performance, portable instrumentation and is available in an 8-MSOP package. This amplifier is notable for its high common-mode rejection ratio (CMRR), excellent AC specifications, and low power consumption, making it ideal for a variety of applications including medical instrumentation, precision data acquisition, and transducer interfaces.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package / Case | 8-MSOP (0.118, 3.00mm Width) |
| Number of Pins | 8 |
| Operating Temperature | -40°C to +85°C |
| Supply Voltage | 4.5V to 36V (Single), ±2.25V to ±18V (Dual) |
| Output Type | Rail-to-Rail |
| Amplifier Type | Instrumentation |
| Common Mode Rejection Ratio (CMRR) | 100 dB (minimum at G = 10), 80 dB (minimum at 5 kHz, G = 1) |
| Input Offset Voltage (Vos) | 125 μV |
| Input Bias Current | 10 pA (maximum) |
| Slew Rate | 2 V/μs |
| Bandwidth | 1.5 MHz (G = 1) |
| Quiescent Supply Current | 750 μA (maximum) |
| Output Current per Channel | 15 mA |
Key Features
- High CMRR: Minimum of 100 dB at DC and 80 dB at 5 kHz for G = 1.
- Low Power Consumption: Maximum quiescent supply current of 750 μA, making it suitable for battery-powered devices.
- Single-Supply Operation: Can operate on a single +5 V supply or a ±18 V dual supply.
- Rail-to-Rail Output: Maximizes dynamic range on low voltage supplies.
- Low Input Currents: Maximum input bias current of 10 pA.
- Gain Flexibility: Gain settable from 1 to 1000 with a single resistor.
- ESD Protection: 4 kV ESD protection.
- Compact Package: Available in an 8-MSOP package, taking roughly half the board area of an SOIC.
Applications
- Medical Instrumentation: Suitable for high-precision medical devices.
- Precision Data Acquisition: Ideal for applications requiring accurate signal processing.
- Transducer Interfaces: Used to interface with various transducers in industrial and medical settings.
- Automotive Applications: Qualified for use in automotive environments with a temperature range of -40°C to +125°C.
- Defense and Aerospace: The AD8220-EP version supports defense and aerospace applications with a military temperature range and AQEC standard compliance.
Q & A
- What is the operating temperature range of the AD8220BRMZ-R7?
The operating temperature range is -40°C to +85°C.
- What is the typical input bias current of the AD8220BRMZ-R7?
The maximum input bias current is 10 pA.
- Can the AD8220BRMZ-R7 operate on a single supply voltage?
Yes, it can operate on a single +5 V supply or a ±18 V dual supply).
- What is the slew rate of the AD8220BRMZ-R7?
The slew rate is 2 V/μs).
- What is the bandwidth of the AD8220BRMZ-R7 at a gain of 1?
The bandwidth is 1.5 MHz at a gain of 1).
- How is the gain set for the AD8220BRMZ-R7?
The gain is settable from 1 to 1000 using a single resistor).
- What is the common-mode rejection ratio (CMRR) of the AD8220BRMZ-R7?
The CMRR is a minimum of 100 dB at DC and 80 dB at 5 kHz for G = 1).
- Does the AD8220BRMZ-R7 have ESD protection?
Yes, it has 4 kV ESD protection).
- What is the output current per channel of the AD8220BRMZ-R7?
The output current per channel is 15 mA).
- Is the AD8220BRMZ-R7 suitable for automotive applications?
Yes, it is qualified for automotive applications with a temperature range of -40°C to +125°C).
