Overview
The OP777ARMZ-R2 is a precision micropower single-supply operational amplifier produced by Analog Devices Inc. This device is designed to offer high performance with low power consumption, making it suitable for a variety of applications where precision and efficiency are crucial.
The OP777ARMZ-R2 features a rail-to-rail output and operates over a wide supply voltage range, from 2.7V to 30V, or ±1.35V to ±15V. This versatility, combined with its low input offset voltage and high common-mode rejection ratio, makes it an ideal choice for high-accuracy systems.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | +25°C < T_A < +85°C | 20 | 100 | 200 | μV |
| Input Bias Current | IB | –40°C < T_A < +85°C | 5.5 | 11 | nA | |
| Input Offset Current | IOS | –40°C < T_A < +85°C | 0.1 | 2 | nA | |
| Common-Mode Rejection Ratio | CMRR | V_CM = 0 V to 4 V | 104 | 110 | dB | |
| Large Signal Voltage Gain | AVO | RL = 10 kΩ, VO = 0.5 V to 4.5 V | 300 | 500 | V/mV | |
| Output Voltage High | VOH | IL = 1 mA, –40°C to +85°C | 4.88 | 4.91 | V | |
| Output Voltage Low | VOL | IL = 1 mA, –40°C to +85°C | 126 | 140 | mV | |
| Supply Current/Amplifier | ISY | VO = 0 V, –40°C < T_A < +85°C | 220 | 270 | μA | |
| Supply Voltage Range | VS | 2.7 V | 30 V, ±1.35 V to ±15 V | |||
| Slew Rate | SR | 0.2 | V/μs | |||
| Gain Bandwidth Product | 700 kHz |
Key Features
- Rail-to-Rail Output: The OP777ARMZ-R2 features a rail-to-rail output, allowing it to drive loads connected to the same power supply rail.
- Low Input Offset Voltage: With an input offset voltage as low as 20 μV, this amplifier ensures high accuracy in applications.
- High Common-Mode Rejection Ratio (CMRR): A CMRR of 104 dB to 110 dB minimizes errors caused by common-mode signals.
- Wide Supply Voltage Range: Operates from 2.7V to 30V or ±1.35V to ±15V, making it versatile for various power supply configurations.
- Low Power Consumption: The amplifier has a supply current of 220 μA to 270 μA per amplifier, suitable for battery-powered and power-sensitive applications.
- High Gain Bandwidth Product: A gain bandwidth product of 700 kHz ensures good frequency response.
- Low Slew Rate: A slew rate of 0.2 V/μs is suitable for applications requiring moderate speed.
Applications
- Precision Instrumentation: Ideal for high-resolution instrumentation due to its low offset voltage and high CMRR.
- Medical Devices: Suitable for medical equipment where high accuracy and low power consumption are critical.
- Industrial Automation: Used in industrial control systems where precision and reliability are essential.
- Portable Electronics: Applicable in battery-powered devices due to its low power consumption.
- Sensor Interfaces: Often used to amplify signals from sensors in various applications.
Q & A
- What is the input offset voltage of the OP777ARMZ-R2?
The input offset voltage of the OP777ARMZ-R2 is as low as 20 μV and can be up to 200 μV over the temperature range.
- What is the common-mode rejection ratio (CMRR) of the OP777ARMZ-R2?
The CMRR of the OP777ARMZ-R2 is between 104 dB and 110 dB.
- What is the supply voltage range for the OP777ARMZ-R2?
The OP777ARMZ-R2 operates from 2.7V to 30V or ±1.35V to ±15V.
- What is the slew rate of the OP777ARMZ-R2?
The slew rate of the OP777ARMZ-R2 is 0.2 V/μs.
- What is the gain bandwidth product of the OP777ARMZ-R2?
The gain bandwidth product of the OP777ARMZ-R2 is 700 kHz.
- What is the typical supply current per amplifier for the OP777ARMZ-R2?
The typical supply current per amplifier for the OP777ARMZ-R2 is between 220 μA and 270 μA.
- What are the typical output voltage high and low for the OP777ARMZ-R2?
The typical output voltage high is between 4.88V and 4.91V, and the typical output voltage low is between 126mV and 140mV.
- What is the operating temperature range for the OP777ARMZ-R2?
The operating temperature range for the OP777ARMZ-R2 is –40°C to +85°C.
- What are the package options for the OP777ARMZ-R2?
The OP777ARMZ-R2 is available in 8-TSSOP and 8-MSOP packages.
- Is the OP777ARMZ-R2 RoHS compliant?
Yes, the OP777ARMZ-R2 is RoHS compliant.
