Overview
The AD8227BRZ-R7, produced by Analog Devices Inc., is a versatile and low-cost instrumentation amplifier designed for precision signal conditioning in various applications, including industrial and medical fields. This amplifier is notable for its wide supply range, rail-to-rail output, and the ability to operate with a single external resistor to set gains from 5 to 1000. The AD8227BRZ-R7 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) and is RoHS compliant.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | Instrumentation Amplifier | |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | |
| Output Type | Rail-to-Rail | |
| Slew Rate | 0.6 V/μs | V/μs |
| -3db Bandwidth (G = 5) | 250 kHz | kHz |
| Input Bias Current | 20 nA | nA |
| Input Offset Voltage | 100 µV | µV |
| Supply Current | 350 µA | µA |
| Output Current / Channel | 13 mA | mA |
| Supply Voltage Range (Min) | 2.2 V | V |
| Supply Voltage Range (Max) | 36 V | V |
| Operating Temperature | -40°C to +125°C | °C |
| Mounting Type | Surface Mount | |
| Common Mode Rejection Ratio (CMRR) | 105 dB | dB |
Key Features
- Wide Supply Range: Operates on supplies ranging from ±1.5 V to ±18 V (2.2 V to 36 V single supply).
- Rail-to-Rail Output: Allows the signal to make full use of the supply rails, enabling amplification of small signals near ground without requiring dual supplies.
- Single External Resistor for Gain Setting: Gain can be set between 5 and 1000 using a single external resistor.
- Robust Inputs: Designed to connect to real-world sensors and can handle voltages beyond the supply rails.
- High CMRR: Common Mode Rejection Ratio of 105 dB, ensuring high accuracy in differential signal amplification.
- Low Input Bias Current: Minimum and maximum input bias currents specified for open wire detection.
- Reference Terminal: Output voltage can be offset to a precise mid-supply level using the reference terminal.
Applications
- Industrial Applications: Ideal for precision signal conditioning in industrial environments where robust and reliable amplification is required.
- Medical Applications: Suitable for medical devices due to its high accuracy and ability to handle a wide range of signal voltages).
- Multichannel and Space-Constrained Applications: Thrives in tightly packed, zero airflow designs, making it suitable for multichannel applications).
- Sensor Interfaces: Designed to connect to real-world sensors, making it a versatile choice for various sensor-based systems).
Q & A
- What is the AD8227BRZ-R7?
The AD8227BRZ-R7 is a low-cost, wide supply range instrumentation amplifier produced by Analog Devices Inc..
- What is the gain range of the AD8227BRZ-R7?
The gain can be set between 5 and 1000 using a single external resistor.
- What is the supply voltage range for the AD8227BRZ-R7?
The AD8227BRZ-R7 operates on supplies ranging from ±1.5 V to ±18 V (2.2 V to 36 V single supply).
- What is the common mode rejection ratio (CMRR) of the AD8227BRZ-R7?
The CMRR is 105 dB.
- What is the operating temperature range of the AD8227BRZ-R7?
The operating temperature range is -40°C to +125°C.
- How is the gain set on the AD8227BRZ-R7?
The gain is set using a single external resistor connected between the RG terminals.
- What is the slew rate of the AD8227BRZ-R7?
The slew rate is 0.6 V/μs.
- What is the input bias current of the AD8227BRZ-R7?
The input bias current is 20 nA.
- What is the input offset voltage of the AD8227BRZ-R7?
The input offset voltage is 100 µV.
- Is the AD8227BRZ-R7 RoHS compliant?
Yes, the AD8227BRZ-R7 is RoHS compliant.
