Overview
The OP727ARZ is a precision dual operational amplifier produced by Analog Devices Inc. It is part of the OP727 series, known for its micropower operation and rail-to-rail output. This amplifier is designed for low power consumption and high precision, making it suitable for a variety of applications in modern electronics.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Offset Voltage (VOS) | +25°C < T_A < +85°C | 30 | - | 160 | μV |
| Offset Voltage (VOS) | –40°C < T_A < +85°C | 60 | - | 300 | 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 |
| 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 | 235 | - | 320 | μA |
| Supply Voltage Range | - | ±1.35 V | - | ±15 V | V |
| Operating Temperature Range | - | -40°C | - | +85°C | °C |
| Number of Circuits | - | - | - | 2 | - |
| Package Type | - | - | - | 8-SOIC | - |
Key Features
- Precision Operation: Low offset voltage (30 μV to 160 μV) and low input bias current (5.5 nA to 11 nA).
- Micropower Consumption: Low supply current per amplifier (235 μA to 320 μA).
- Rail-to-Rail Output: Output voltage range extends to the supply rails, enhancing the dynamic range of the amplifier.
- Single and Dual Supply Operation: Can operate from a single supply (2.7 V to 30 V) or dual supplies (±1.35 V to ±15 V).
- High Common-Mode Rejection Ratio (CMRR): 110 dB to 120 dB, ensuring good noise rejection.
- BiCMOS Technology: Combines the benefits of bipolar and CMOS technologies for improved performance.
Applications
- Current Sensing (Shunt): Suitable for current sensing applications due to its precision and low power consumption.
- Line or Battery-Powered Instrumentation: Ideal for instruments that require low power and high precision.
- Remote Sensors: Can be used in remote sensing applications where low power and precision are critical.
- Precision Filters: Used in precision filter circuits where low noise and high accuracy are required).
Q & A
- What is the typical offset voltage of the OP727ARZ? The typical offset voltage is 30 μV to 160 μV.
- What is the input bias current range of the OP727ARZ? The input bias current ranges from 5.5 nA to 11 nA).
- What is the supply voltage range for the OP727ARZ? The supply voltage range is from ±1.35 V to ±15 V for dual supplies, and 2.7 V to 30 V for single supply).
- What is the common-mode rejection ratio (CMRR) of the OP727ARZ? The CMRR is 110 dB to 120 dB).
- What is the operating temperature range of the OP727ARZ? The operating temperature range is –40°C to +85°C).
- What package types are available for the OP727ARZ? The OP727ARZ is available in an 8-SOIC package).
- How many channels does the OP727ARZ have? The OP727ARZ has 2 channels).
- What technology is used in the OP727ARZ? The OP727ARZ uses BiCMOS technology).
- What are some common applications of the OP727ARZ? Common applications include current sensing, line or battery-powered instrumentation, remote sensors, and precision filters).
- What is the slew rate of the OP727ARZ? The slew rate is 0.2 V/μs).
