Overview
The OP727ARU-REEL, produced by Analog Devices Inc., is a precision dual rail-to-rail output single-supply operational amplifier. This amplifier is known for its micropower operation and rail-to-rail output ranges, making it suitable for a variety of applications requiring low power consumption and high precision. The OP727 is part of a family of amplifiers that include the OP777 and OP747, all of which offer improved performance over industry-standard amplifiers like the OP07, especially in single-supply configurations down to 3 V and with smaller package options.
Key Specifications
| Specification | Value | Conditions |
|---|---|---|
| Offset Voltage (VOS) | 30 μV to 160 μV (25°C), 50 μV to 300 μV (-40°C to +85°C) | - |
| Input Bias Current (IB) | 5 nA to 10 nA (-40°C to +85°C) | - |
| Input Offset Current (IOS) | 0.1 nA to 2 nA (-40°C to +85°C) | - |
| Supply Current per Amplifier (ISY) | 220 μA to 320 μA (VO = 0 V, -40°C to +85°C) | - |
| Bandwidth | 700 kHz | - |
| 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) | - |
| Common-Mode Rejection Ratio (CMRR) | 110 dB to 120 dB (VCM = -15 V to +14 V) | - |
| Power Supply Rejection Ratio (PSRR) | 120 dB to 130 dB (VS = 3 V to 30 V) | - |
| Operating Temperature Range | -40°C to +85°C | - |
| Package Type | 8-Pin TSSOP | - |
Key Features
- Low Offset Voltage: Maximum of 160 μV at 25°C and 300 μV over the -40°C to +85°C temperature range.
- Low Input Bias Current: Maximum of 10 nA over the -40°C to +85°C temperature range.
- 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 320 μA per amplifier at 5 V.
- Unity Gain Stable: No phase reversal with capacitive loads of over 500 pF.
- High Common-Mode Rejection Ratio (CMRR): 110 dB to 120 dB.
- High Power Supply Rejection Ratio (PSRR): 120 dB to 130 dB.
Applications
- Current Sensing (Shunt): Suitable for current sensing applications due to its precision and low offset voltage.
- Line or Battery-Powered Instrumentation: Ideal for both line-powered and portable instrumentation due to its low power consumption and single-supply operation.
- Remote Sensors: Used in remote sensor signal conditioning due to its high precision and stability.
- Precision Filters: Used in precision filter applications requiring low noise and high accuracy.
Q & A
- What is the maximum offset voltage of the OP727ARU-REEL?
The maximum offset voltage is 160 μV at 25°C and 300 μV over the -40°C to +85°C temperature range.
- What is the input bias current of the OP727ARU-REEL?
The input bias current is 5 nA to 10 nA over the -40°C to +85°C temperature range.
- What is the supply current per amplifier for the OP727ARU-REEL?
The supply current per amplifier is less than 320 μA at 5 V.
- What is the bandwidth of the OP727ARU-REEL?
The bandwidth is 700 kHz.
- What are the output voltage ranges for the OP727ARU-REEL?
The output voltage high (VOH) is 4.88 V to 4.91 V, and the output voltage low (VOL) is 126 mV to 140 mV at 1 mA load current over the -40°C to +85°C temperature range.
- What is the common-mode rejection ratio (CMRR) of the OP727ARU-REEL?
The CMRR is 110 dB to 120 dB.
- What is the power supply rejection ratio (PSRR) of the OP727ARU-REEL?
The PSRR is 120 dB to 130 dB.
- What are the typical applications of the OP727ARU-REEL?
Typical applications include current sensing, line or battery-powered instrumentation, remote sensor signal conditioning, and precision filters.
- What is the operating temperature range of the OP727ARU-REEL?
The operating temperature range is -40°C to +85°C.
- What package types are available for the OP727ARU-REEL?
The OP727ARU-REEL is available in an 8-Pin TSSOP package.
