Overview
The OP727ARZ-REEL, produced by Analog Devices Inc., is a precision micropower dual operational amplifier. It is part of the OP727 series, known for its single-supply operation, rail-to-rail output, and low power consumption. This amplifier is designed to offer high performance in a compact package, making it suitable for a variety of applications, including both line-powered and portable instrumentation, remote sensor signal conditioning, and precision filters.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | +25°C < T_A < +85°C | 30 | 160 | μV | |
| –40°C < T_A < +85°C | 50 | 300 | μV | |||
| Input Bias Current | IB | –40°C < T_A < +85°C | 5 | 10 | nA | |
| Input Offset Current | IOS | –40°C < T_A < +85°C | 0.1 | 2 | nA | |
| Input Voltage Range | –15 | +14 | V | |||
| Common-Mode Rejection Ratio | CMRR | V_CM = –15 V to +14 V | 110 | 120 | dB | |
| Large Signal Voltage Gain | AVO | R_L = 10 kΩ, V_O = –14.5 V to +14.5 V | 1,000 | 2,500 | V/mV | |
| Output Voltage High | VOH | I_L = 1 mA, –40°C to +85°C | +14.9 | +14.94 | V | |
| Output Voltage Low | VOL | I_L = 1 mA, –40°C to +85°C | 126 | 140 | mV | |
| Supply Current/Amplifier | ISY | V_O = 0 V, –40°C < T_A < +85°C | 235 | 270 | μA |
Key Features
- Precision micropower operation with low supply current (less than 300 μA per amplifier at 5 V).
- Rail-to-rail output ranges, allowing for true single-supply operation down to 2.7 V.
- High common-mode rejection ratio (CMRR) of 110 dB to 120 dB.
- 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.
- Available in 8-lead TSSOP and 8-lead SOIC packages.
Applications
The OP727ARZ-REEL is versatile and can be used in various applications, including:
- Line-powered and portable instrumentation.
- Remote sensor signal conditioning.
- Precision filters.
- General-purpose amplification in industrial and medical devices.
Q & A
- What is the typical supply current per amplifier for the OP727ARZ-REEL?
The typical supply current per amplifier is 235 μA to 270 μA at 0 V output voltage. - What are the package options available for the OP727ARZ-REEL?
The OP727ARZ-REEL is available in 8-lead TSSOP and 8-lead SOIC packages. - What is the common-mode rejection ratio (CMRR) of the OP727ARZ-REEL?
The CMRR is 110 dB to 120 dB. - Can the OP727ARZ-REEL handle capacitive loads?
Yes, it is stable with capacitive loads of over 500 pF. - What is the input voltage range for the OP727ARZ-REEL?
The input voltage range is from –15 V to +14 V. - What is the large signal voltage gain of the OP727ARZ-REEL?
The large signal voltage gain is 1,000 V/mV to 2,500 V/mV. - Is the OP727ARZ-REEL suitable for high-temperature environments?
Yes, it is specified over the extended industrial temperature range of –40°C to +85°C. - What is the output voltage range for the OP727ARZ-REEL?
The output voltage high is +14.9 V to +14.94 V, and the output voltage low is 126 mV to 140 mV. - Does the OP727ARZ-REEL have input protection?
Yes, it has 500 Ω series resistors that protect the inputs, allowing input signal levels several volts above the positive supply without phase reversal. - What are some typical applications of the OP727ARZ-REEL?
Typical applications include line-powered and portable instrumentation, remote sensor signal conditioning, and precision filters.
