Overview
The OP747ARZ-REEL7, produced by Analog Devices Inc., is a precision quad rail-to-rail output single-supply operational amplifier. This amplifier features micropower operation and rail-to-rail output ranges, offering improved performance over industry-standard amplifiers like the OP07. It is designed for true single-supply operation down to 3 V and is available in smaller package options, making it suitable for a variety of applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | - | 3 | - | 30 | V |
| Supply Current per Amplifier | VO = 0 V, 5 V supply | 220 | - | 270 | μA |
| Input Offset Voltage | +25°C | 30 | - | 160 | μV |
| Input Offset Voltage Drift | -40°C to +85°C | 0.4 | - | 1.5 | μV/°C |
| Input Bias Current | -40°C to +85°C | 5 | - | 10 | nA |
| Common-Mode Rejection Ratio | VCM = -15 V to +14 V | 110 | - | 120 | dB |
| Power Supply Rejection Ratio | VS = 3 V to 30 V | 120 | - | 130 | dB |
| Output Voltage High | IL = 1 mA, -40°C to +85°C | 4.88 | - | 4.91 | V |
| Output Voltage Low | IL = 1 mA, -40°C to +85°C | 126 | - | 140 | mV |
| Operating Temperature Range | - | -40 | - | 85 | °C |
Key Features
- Micropower operation with supply current less than 300 μA per amplifier at 5 V.
- Rail-to-rail output ranges, ensuring full output swing even with single-supply operation.
- Stable operation 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.
- Extended industrial temperature range of -40°C to +85°C.
- Available in 14-lead TSSOP and narrow 14-lead SO packages, with surface-mount devices available in tape and reel.
Applications
- Line-powered and portable instrumentation.
- Remote sensor signal conditioning.
- Precision filters.
- General-purpose amplification in various industrial and consumer electronics.
Q & A
- What is the supply voltage range for the OP747ARZ-REEL7?
The supply voltage range for the OP747ARZ-REEL7 is from 3 V to 30 V.
- What is the typical supply current per amplifier at 5 V?
The typical supply current per amplifier at 5 V is less than 270 μA.
- What is the input offset voltage drift over the operating temperature range?
The input offset voltage drift is between 0.4 μV/°C and 1.5 μV/°C over the -40°C to +85°C temperature range.
- What is the common-mode rejection ratio (CMRR) of the OP747ARZ-REEL7?
The CMRR is between 110 dB and 120 dB.
- What is the power supply rejection ratio (PSRR) of the OP747ARZ-REEL7?
The PSRR is between 120 dB and 130 dB.
- What are the output voltage high and low specifications for the OP747ARZ-REEL7?
The output voltage high is between 4.88 V and 4.91 V, and the output voltage low is between 126 mV and 140 mV at 1 mA load current.
- What is the operating temperature range of the OP747ARZ-REEL7?
The operating temperature range is from -40°C to +85°C.
- In what packages is the OP747ARZ-REEL7 available?
The OP747ARZ-REEL7 is available in 14-lead TSSOP and narrow 14-lead SO packages.
- What are some typical applications for the OP747ARZ-REEL7?
Typical applications include line-powered and portable instrumentation, remote sensor signal conditioning, and precision filters.
- How stable is the OP747ARZ-REEL7 with capacitive loads?
The OP747ARZ-REEL7 is stable with capacitive loads of over 500 pF.
