Overview
The OP727ARZ-REEL7 is a precision dual rail-to-rail output single-supply operational amplifier produced by Analog Devices Inc. This amplifier is part of the OP727 series, known for its micropower operation and wide range of supply voltages. It is available in an 8-lead SOIC package and is designed for applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Offset Voltage (VOS) | +25°C | 30 | - | 160 | μV |
| Offset Voltage (VOS) | –40°C to +85°C | 50 | - | 300 | μV |
| Input Bias Current (IB) | –40°C to +85°C | 5 | - | 10 | nA |
| Input Offset Current (IOS) | –40°C to +85°C | 0.1 | - | 2 | nA |
| Supply Voltage Range | - | 3 | - | 30 | V |
| Supply Current per Amplifier | VO = 0 V, +25°C | 220 | - | 270 | μA |
| 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 |
| Common-Mode Rejection Ratio (CMRR) | VCM = –15 V to +14 V | 110 | - | 120 | dB |
| Power Supply Rejection Ratio (PSRR) | VS = 3 V to 30 V | 120 | - | 130 | dB |
Key Features
- Low Offset Voltage: Maximum of 100 μV, ensuring high precision in signal amplification.
- Low Input Bias Current: Maximum of 10 nA, reducing the impact of input current on the signal.
- Single-Supply Operation: Operates from 3 V to 30 V, and dual-supply operation from ±1.5 V to ±15 V.
- Low Supply Current: Less than 300 μA per amplifier at 5 V, making it suitable for battery-powered devices.
- Rail-to-Rail Output: Output voltage range extends to the supply rails, maximizing dynamic range.
- Unity Gain Stable: No phase reversal, ensuring stable operation in various configurations.
- High Common-Mode Rejection Ratio (CMRR): Up to 120 dB, providing excellent rejection of common-mode signals.
- High Power Supply Rejection Ratio (PSRR): Up to 130 dB, minimizing the effect of supply voltage variations on the output.
Applications
- Current Sensing (Shunt): Ideal for measuring current in various applications.
- Line or Battery-Powered Instrumentation: Suitable for both line-powered and portable instrumentation due to its low power consumption.
- Remote Sensor Signal Conditioning: Used in remote sensor applications requiring precision and low power.
- Precision Filters: Can be used in precision filter circuits due to its high accuracy and stability.
Q & A
- What is the maximum offset voltage of the OP727ARZ-REEL7?
The maximum offset voltage is 300 μV over the temperature range of –40°C to +85°C.
- What is the input bias current of the OP727ARZ-REEL7?
The input bias current is a maximum of 10 nA over the temperature range of –40°C to +85°C.
- What is the supply voltage range for the OP727ARZ-REEL7?
The supply voltage range is from 3 V to 30 V for single-supply operation and ±1.5 V to ±15 V for dual-supply operation.
- How much current does the OP727ARZ-REEL7 consume per amplifier?
The supply current per amplifier is less than 300 μA at 5 V.
- Is the OP727ARZ-REEL7 unity gain stable?
Yes, the OP727ARZ-REEL7 is unity gain stable and does not exhibit phase reversal.
- What is the common-mode rejection ratio (CMRR) of the OP727ARZ-REEL7?
The CMRR is up to 120 dB, providing excellent rejection of common-mode signals.
- What are some typical applications of the OP727ARZ-REEL7?
Typical applications include current sensing, line or battery-powered instrumentation, remote sensor signal conditioning, and precision filters.
- In what package is the OP727ARZ-REEL7 available?
The OP727ARZ-REEL7 is available in an 8-lead SOIC package.
- Is the OP727ARZ-REEL7 RoHS compliant?
Yes, the OP727ARZ-REEL7 is RoHS compliant.
- What is the operating temperature range of the OP727ARZ-REEL7?
The operating temperature range is from –40°C to +85°C.
