Overview
The OP293FSZ-REEL from Analog Devices Inc. is a precision operational amplifier designed for high performance in single-supply and dual-supply systems. This amplifier is part of the OP293 series, known for its combination of high precision, low supply current, and the ability to operate at low voltages. The OP293 is particularly useful in battery-powered equipment due to its low power consumption and high accuracy.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | −40°C ≤ TA ≤ +125°C | 100 μV | 250 μV | 350 μV | μV |
| Input Bias Current | IB | VCM = 0 V, −40°C ≤ TA ≤ +125°C | 15 nA | 20 nA | nA | |
| Input Offset Current | IOS | VCM = 0 V, −40°C ≤ TA ≤ +125°C | 2 nA | 4 nA | nA | |
| Input Voltage Range | VCM | −14.9 V ≤ VCM ≤ +14 V | −14.9 V | +13.5 V | V | |
| Common-Mode Rejection Ratio | CMRR | −14.9 V ≤ VCM ≤ +14 V, −40°C ≤ TA ≤ +125°C | 97 dB | 116 dB | dB | |
| Supply Current | IS | VS = ±15 V, TA = 25°C | 15 μA | μA | ||
| Output Current | IOUT | VS = ±15 V, TA = 25°C | ±5 mA | mA | ||
| Open-Loop Gain | AVO | RL = 100 kΩ, 0.03 V ≤ VOUT ≤ 1 V | 60 V/mV | 70 V/mV | V/mV |
Key Features
- Operates from +1.7 V to ±18 V, making it suitable for low voltage and single-supply systems.
- Low supply current of 15 μA per amplifier, ideal for battery-powered equipment.
- High precision with a low offset voltage of 100 μV maximum.
- Outputs can sink and source up to ±5 mA.
- No phase reversal and high open-loop gain of 60 V/mV.
- Unity-gain stable and capable of operating down to ground potential.
Applications
- Digital scales
- Strain gages
- Portable medical equipment
- Battery-powered instrumentation
- Temperature transducer amplifiers
Q & A
- What is the operating voltage range of the OP293?
The OP293 can operate from +1.7 V to ±18 V.
- What is the typical supply current of the OP293?
The typical supply current is 15 μA per amplifier.
- What is the maximum offset voltage of the OP293?
The maximum offset voltage is 100 μV.
- Can the OP293 operate in single-supply systems?
- What is the common-mode rejection ratio (CMRR) of the OP293?
The CMRR is typically 116 dB.
- What are some common applications of the OP293?
Common applications include digital scales, strain gages, portable medical equipment, battery-powered instrumentation, and temperature transducer amplifiers.
- Is the OP293 unity-gain stable?
- What is the output current capability of the OP293?
The OP293 can source and sink up to ±5 mA.
- Does the OP293 have phase reversal issues?
No, the OP293 does not have phase reversal issues.
- What is the open-loop gain of the OP293?
The open-loop gain is typically 60 V/mV.
