Overview
The OP293ES-REEL, produced by Analog Devices Inc., is a precision, micropower operational amplifier. This device is part of the OP193/OP293 series, known for its high precision, low supply current, and ability to operate at low voltages. The OP293 is suitable for a wide range of applications requiring high accuracy and low power consumption, making it ideal for battery-powered equipment and single-supply systems.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | −40°C ≤ TA ≤ +125°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 | +13.5 | V | ||
| Common-Mode Rejection Ratio | CMRR | −14.9 V ≤ VCM ≤ +14 V | 97 | 116 | dB | |
| Large Signal Voltage Gain | AVO | RL = 100 kΩ, 0.03 V ≤ VOUT ≤ 4.0 V | 200 | V/mV | ||
| Supply Current per Amplifier | ISY | VCM = 2.5 V, RL = ∞ | 14.5 | µA | ||
| Slew Rate | SR | RL = 2 kΩ | 12 | V/ms | ||
| Gain Bandwidth Product | GBP | 35 | kHz |
Key Features
- Operates from +1.7 V to ±18 V, allowing for single- or dual-supply operation.
- Low supply current: 15 µA per amplifier.
- High precision with low offset voltage: 100 µV maximum.
- Outputs can sink and source up to ±8 mA.
- No phase reversal.
- High open-loop gain: 600 V/mV.
- Unity-gain stable.
- High common-mode rejection ratio (CMRR): up to 116 dB.
- Low noise performance: 65 nV/√Hz voltage noise density.
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 per amplifier for the OP293?
The typical supply current per amplifier is 14.5 µA.
- What is the maximum offset voltage for the OP293?
The maximum offset voltage is 250 µV for the E grade and 350 µV for the F grade over the temperature range −40°C to +125°C.
- Can the OP293 operate in single-supply systems?
- What is the slew rate of the OP293?
The slew rate of the OP293 is 12 V/ms.
- What is the gain bandwidth product (GBP) of the OP293?
The gain bandwidth product (GBP) is 35 kHz.
- Is the OP293 sensitive to electrostatic discharge (ESD)?
- What are some common applications of the OP293?
- What is the common-mode rejection ratio (CMRR) of the OP293?
- How much current can the outputs of the OP293 sink and source?
