Overview
The OP293ESZ-REEL7 from Analog Devices Inc. is a precision, micropower operational amplifier designed for high performance in single-supply and dual-supply systems. This dual op-amp features a combination of high precision, low supply current, and the ability to operate at low voltages, making it suitable for a wide range of applications. The OP293 can operate from a single supply of +1.7 V to +18 V or from dual supplies of ±0.85 V to ±18 V, and it is unity-gain stable. The device is known for its low offset voltage, low input bias current, and high open-loop gain, which ensure high accuracy and reliability in various operational scenarios.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | VS = ±15.0 V, TA = 25°C | 100 | 250 | 350 | μV |
| Input Bias Current | IB | VCM = 0 V, −40°C ≤ TA ≤ +125°C | 15 | 20 | nA | |
| Input Offset Current | IOS | VCM = 0 V, −40°C ≤ TA ≤ +125°C | 2 | 4 | nA | |
| Input Voltage Range | VCM | −14.9 V ≤ VCM ≤ +14 V | -14.9 | +13.5 | V | |
| Common-Mode Rejection Ratio | CMRR | −14.9 V ≤ VCM ≤ +14 V | 97 | 116 | dB | |
| Supply Current | IS | Per Amplifier | 15 | μA | ||
| Output Current | IOUT | Sink and Source | ±5 | mA | ||
| Open-Loop Gain | AVO | RL = 100 kΩ | 60 | 70 | V/mV |
Key Features
- Operates from a single supply of +1.7 V to +18 V or from dual supplies of ±0.85 V to ±18 V.
- Low supply current: 15 μA per amplifier.
- Low offset voltage: 100 μV maximum.
- High open-loop gain: 60 V/mV to 70 V/mV.
- Unity-gain stable.
- No phase reversal.
- Outputs sink and source: ±5 mA.
- High common-mode rejection ratio (CMRR): 97 dB to 116 dB.
Applications
- Digital scales.
- Strain gages.
- Portable medical equipment.
- Battery-powered instrumentation.
- Temperature transducer amplifiers.
Q & A
- What is the minimum operating voltage for the OP293ESZ-REEL7?
The OP293ESZ-REEL7 can operate down to +1.7 V or ±0.85 V.
- What is the typical supply current per amplifier for the OP293ESZ-REEL7?
The typical supply current per amplifier is 15 μA.
- What is the maximum offset voltage for the OP293ESZ-REEL7?
The maximum offset voltage is 100 μV.
- Is the OP293ESZ-REEL7 unity-gain stable?
Yes, the OP293ESZ-REEL7 is unity-gain stable.
- What is the common-mode rejection ratio (CMRR) of the OP293ESZ-REEL7?
The CMRR is 97 dB to 116 dB.
- What are the output current capabilities of the OP293ESZ-REEL7?
The outputs can sink and source up to ±5 mA.
- What are some typical applications for the OP293ESZ-REEL7?
Typical applications include digital scales, strain gages, portable medical equipment, battery-powered instrumentation, and temperature transducer amplifiers.
- What is the open-loop gain of the OP293ESZ-REEL7?
The open-loop gain is 60 V/mV to 70 V/mV.
- Does the OP293ESZ-REEL7 have phase reversal?
No, the OP293ESZ-REEL7 does not have phase reversal.
- What is the package type of the OP293ESZ-REEL7?
The package type is 8-SOIC (0.154, 3.90mm Width).
