Overview
The OP293FS-REEL7, produced by Analog Devices Inc., is a precision, micropower operational amplifier. It belongs to the OP293 family, which is known for its high precision, low supply current, and the ability to operate at low voltages. These amplifiers are designed for single-supply operation and can function with supply voltages as low as +1.7 V or ±0.85 V, making them ideal for battery-powered equipment and other low-voltage applications.
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 | nA |
| Input Offset Current | IOS | VCM = 0 V, −40°C ≤ TA ≤ +125°C | 2 nA | 4 nA | nA | nA |
| Input Voltage Range | VCM | −14.9 V | +13.5 V | V | ||
| Common-Mode Rejection Ratio | CMRR | −14.9 V ≤ VCM ≤ +14 V | 97 dB | 116 dB | dB | dB |
| Large Signal Voltage Gain | AVO | RL = 100 kΩ, 0.03 V ≤ VOUT ≤ 4.0 V | 200 V/mV | V/mV | ||
| Supply Current per Amplifier | ISY | VCM = 2.5 V, RL = ∞ | 14.5 μA | μA | ||
| Slew Rate | SR | RL = 2 kΩ | 12 V/ms | V/ms | ||
| Gain Bandwidth Product | GBP | 35 kHz | kHz |
Key Features
- Operates from +1.7 V to ±18 V, allowing for low-voltage operation and single- or dual-supply configurations.
- Low supply current: 15 µA per amplifier, making it suitable for battery-powered devices.
- Low offset voltage: 100 µV maximum, ensuring high precision.
- Outputs can sink and source up to ±8 mA.
- No phase reversal, ensuring stable output.
- 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 at 1 kHz.
Applications
- Digital scales
- Strain gages
- Portable medical equipment
- Battery-powered instrumentation
- Temperature transducer amplifiers
Q & A
- What is the minimum supply voltage for the OP293FS-REEL7?
The minimum supply voltage is +1.7 V or ±0.85 V.
- What is the typical supply current per amplifier for the OP293FS-REEL7?
The typical supply current per amplifier is 14.5 µA.
- What is the maximum offset voltage for the OP293FS-REEL7?
The maximum offset voltage is 350 µV.
- Can the OP293FS-REEL7 operate in single-supply or dual-supply configurations?
Yes, it can operate in both single-supply and dual-supply configurations.
- What is the slew rate of the OP293FS-REEL7?
The slew rate is 12 V/ms.
- What is the gain bandwidth product (GBP) of the OP293FS-REEL7?
The GBP is 35 kHz.
- What are some typical applications for the OP293FS-REEL7?
Typical applications include digital scales, strain gages, portable medical equipment, battery-powered instrumentation, and temperature transducer amplifiers.
- What is the common-mode rejection ratio (CMRR) of the OP293FS-REEL7?
The CMRR is up to 116 dB.
- Does the OP293FS-REEL7 have any phase reversal issues?
No, it does not have phase reversal issues.
- What is the output current capability of the OP293FS-REEL7?
The outputs can sink and source up to ±8 mA.
