Overview
The OP777ARMZ-REEL from Analog Devices Inc. is a precision micropower single-supply operational amplifier. This device is part of the OP777 series, which includes single, dual, and quad rail-to-rail output amplifiers. The OP777ARMZ-REEL offers improved performance over industry-standard OP07 amplifiers, particularly with its ability to operate on a single supply and its rail-to-rail output ranges. It is designed for micropower operation, making it suitable for both line-powered and portable instrumentation applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage Range | 3 V to 30 V | |
| Supply Current per Amplifier | 220 μA to 320 μA | VO = 0 V, –40°C to +85°C |
| Input Offset Voltage | 30 μV to 160 μV | +25°C |
| Input Offset Voltage Drift | 0.3 μV/°C to 1.3 μV/°C | –40°C to +85°C |
| Input Bias Current | 5 nA to 10 nA | –40°C to +85°C |
| Common-Mode Rejection Ratio (CMRR) | 110 dB to 120 dB | VCM = –15 V to +14 V |
| Large Signal Voltage Gain | 1000 V/mV to 2500 V/mV | RL = 10 kΩ, VO = –14.5 V to +14.5 V |
| Output Voltage High (VOH) | 4.88 V to 4.91 V | IL = 1 mA, –40°C to +85°C |
| Output Voltage Low (VOL) | 126 mV to 140 mV | IL = 1 mA, –40°C to +85°C |
| Operating Temperature Range | –40°C to +85°C | |
| Junction Temperature Range | –65°C to +150°C | |
| Lead Temperature Range (Soldering, 60 sec) | 300°C |
Key Features
- Rail-to-rail output ranges, allowing for true single-supply operation down to 3 V.
- Micropower operation with supply current less than 300 μA per amplifier at 5 V.
- Stable with capacitive loads of over 500 pF.
- 500 Ω series resistors protect the inputs, allowing input signal levels several volts above the positive supply without phase reversal.
- High common-mode rejection ratio (CMRR) and large signal voltage gain.
- Extended industrial temperature range of –40°C to +85°C.
Applications
The OP777ARMZ-REEL is suitable for a variety of applications, including:
- Line-powered and portable instrumentation.
- Remote sensor signal conditioning.
- Precision filters.
- General-purpose amplification in systems requiring low power consumption and high precision.
Q & A
- What is the supply voltage range for the OP777ARMZ-REEL?
The supply voltage range is 3 V to 30 V. - What is the typical supply current per amplifier?
The typical supply current per amplifier is between 220 μA and 320 μA at VO = 0 V and –40°C to +85°C. - What is the input offset voltage of the OP777ARMZ-REEL?
The input offset voltage is between 30 μV and 160 μV at +25°C. - How stable is the amplifier with capacitive loads?
The amplifier is stable with capacitive loads of over 500 pF. - What is the common-mode rejection ratio (CMRR) of the OP777ARMZ-REEL?
The CMRR is between 110 dB and 120 dB with VCM = –15 V to +14 V. - What are the typical output voltage high and low values?
The output voltage high (VOH) is between 4.88 V and 4.91 V, and the output voltage low (VOL) is between 126 mV and 140 mV at IL = 1 mA and –40°C to +85°C. - What is the operating temperature range of the OP777ARMZ-REEL?
The operating temperature range is –40°C to +85°C. - What are some common applications for the OP777ARMZ-REEL?
Common applications include line-powered and portable instrumentation, remote sensor signal conditioning, and precision filters. - How does the OP777ARMZ-REEL protect its inputs?
The inputs are protected by 500 Ω series resistors, allowing input signal levels several volts above the positive supply without phase reversal. - What is the junction temperature range of the OP777ARMZ-REEL?
The junction temperature range is –65°C to +150°C.
