Overview
The OP113ESZ is a low noise, low drift single-supply operational amplifier from Analog Devices Inc. It is part of the OPx13 family, which is designed to operate from single supplies ranging from 4 V to 36 V. This amplifier is known for its high precision and low noise performance, making it suitable for a variety of applications requiring high accuracy and stability.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | −40°C ≤ TA ≤ +85°C | 125 | 175 | 250 | μV |
| Input Bias Current | IB | VCM = 0 V, −40°C ≤ TA ≤ +85°C | 300 | 650 | 750 | nA |
| Input Offset Current | IOS | VCM = 0 V, −40°C ≤ TA ≤ +85°C | 50 | 50 | 50 | nA |
| Input Voltage Range | VCM | −15 V to +14 V | −15 | +14 | V | |
| Common-Mode Rejection Ratio | CMR | −15 V ≤ VCM ≤ +14 V, −40°C ≤ TA ≤ +85°C | 90 | 106 | 116 | dB |
| Gain Bandwidth Product | 3.4 | MHz | ||||
| Slew Rate | 1 | V/μs | ||||
| Noise Density | 4.7 | nV/√Hz | ||||
| Output Voltage Swing High | VOH | RL = 2 kΩ, −40°C ≤ TA ≤ +85°C | 13.9 | V | ||
| Output Voltage Swing Low | VOL | RL = 600 Ω, −40°C ≤ TA ≤ +85°C | 8 | mV |
Key Features
- Low noise and low drift performance, with a noise density of 4.7 nV/√Hz and an offset voltage drift of less than 0.8 μV/°C.
- Single-supply operation from 4 V to 36 V.
- Unity gain stable with a gain bandwidth product of 3.4 MHz and a slew rate in excess of 1 V/μs.
- Wide input common-mode range that includes the negative supply and extends to within 1 V of the positive supply.
- Phase reversal protection to prevent output phase reversal when the input voltage range is exceeded.
- Output voltage swing includes the negative supply and goes to within 1 V of the positive rail.
Applications
The OP113ESZ is suitable for various applications requiring high precision and low noise, such as:
- Medical equipment, including ECG and EEG amplifiers.
- Industrial control systems and instrumentation.
- Aerospace and defense systems where high reliability and precision are critical.
- Audio and video equipment where low noise is essential.
- Automotive systems, particularly in safety and control circuits.
Q & A
- What is the operating supply voltage range of the OP113ESZ?
The OP113ESZ operates from single supplies ranging from 4 V to 36 V. - What is the typical noise density of the OP113ESZ?
The typical noise density is 4.7 nV/√Hz. - What is the input offset voltage drift of the OP113ESZ?
The input offset voltage drift is guaranteed to be less than 0.8 μV/°C. - Is the OP113ESZ unity gain stable?
Yes, the OP113ESZ is unity gain stable. - What is the gain bandwidth product of the OP113ESZ?
The gain bandwidth product is 3.4 MHz. - What is the slew rate of the OP113ESZ?
The slew rate is in excess of 1 V/μs. - What is the common-mode rejection ratio (CMRR) of the OP113ESZ?
The CMRR is 90 dB to 116 dB over the specified temperature range. - Does the OP113ESZ have phase reversal protection?
Yes, the OP113ESZ has phase reversal protection to prevent output phase reversal when the input voltage range is exceeded. - What is the output voltage swing of the OP113ESZ?
The output voltage swing includes the negative supply and goes to within 1 V of the positive rail. - In what types of applications is the OP113ESZ commonly used?
The OP113ESZ is commonly used in medical equipment, industrial control systems, aerospace and defense systems, audio and video equipment, and automotive systems.
