Overview
The OP184ESZ is a precision rail-to-rail input and output operational amplifier produced by Analog Devices Inc. This single-channel operational amplifier is designed for single-supply operation and is known for its wide bandwidth, low noise, and high precision. It is particularly suited for applications requiring both AC and precision DC performance.
The OP184ESZ operates over a wide voltage range from 3 V to 36 V (or ±1.5 V to ±18 V), making it versatile for various applications. Its rail-to-rail input and output capabilities enable it to handle a wide range of input signals and provide full output swing, which is crucial in single-supply systems.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | −40°C ≤ TA ≤ +125°C | 65 μV | - | 165 μV | μV |
| Input Bias Current | IB | −40°C ≤ TA ≤ +125°C | 60 nA | 450 nA | 600 nA | nA |
| Input Offset Current | IOS | −40°C ≤ TA ≤ +125°C | - | - | 50 nA | nA |
| Input Voltage Range | - | - | 0 V | - | 3 V | V |
| Common-Mode Rejection Ratio | CMRR | VCM = 0 V to 3 V, −40°C ≤ TA ≤ +125°C | 56 dB | - | 60 dB | dB |
| Output Voltage High | VOH | IL = 1.0 mA | - | - | 2.80 V | V |
| Output Voltage Low | VOL | IL = 1.0 mA | - | - | 125 mV | mV |
| Power Supply Rejection Ratio | PSRR | VS = ±1.25 V to ±1.75 V | - | - | 76 dB | dB |
| Supply Current/Amplifier | ISY | VO = 1.5 V, −40°C ≤ TA ≤ +125°C | - | 1.35 mA | - | mA |
| Gain Bandwidth Product | GBP | - | - | - | 3 MHz | MHz |
| Voltage Noise Density | en | f = 1 kHz | - | 3.9 nV/√Hz | - | nV/√Hz |
| Slew Rate | - | RL = 2 kΩ, VS = 5 V, VCM = 2.5 V, TA = 25°C | - | 4.0 V/μs | - | V/μs |
Key Features
- Single-supply operation: Operates from 3 V to 36 V (or ±1.5 V to ±18 V).
- Wide bandwidth: 4 MHz bandwidth for high-frequency applications.
- Low offset voltage: Maximum input offset voltage of 65 μV for high precision.
- Unity-gain stable: Stable in unity-gain configurations.
- High slew rate: 4.0 V/μs slew rate for fast signal response.
- Low noise: Voltage noise density of 3.9 nV/√Hz at 1 kHz.
- Rail-to-rail input and output: Full input and output swing capabilities.
- High common-mode rejection ratio (CMRR): Minimum CMRR of 56 dB.
- High power supply rejection ratio (PSRR): Minimum PSRR of 76 dB.
Applications
- Battery-powered instrumentation: Ideal for portable and battery-powered devices.
- Power supply control and protection: Used in power supply monitoring and protection circuits.
- Telecommunications: Suitable for use in telecommunications equipment.
- DAC output amplifier and ADC input buffer: Used in data conversion applications.
- Sensors and transducers: Compatible with Hall effect, piezoelectric, and resistive transducers.
- Filters and instrumentation: Useful in building multistage filters and precision instrumentation.
Q & A
- What is the operating voltage range of the OP184ESZ?
The OP184ESZ operates from 3 V to 36 V (or ±1.5 V to ±18 V).
- What is the maximum input offset voltage of the OP184ESZ?
The maximum input offset voltage is 65 μV.
- What is the slew rate of the OP184ESZ?
The slew rate is 4.0 V/μs.
- What is the common-mode rejection ratio (CMRR) of the OP184ESZ?
The minimum CMRR is 56 dB).
- What is the power supply rejection ratio (PSRR) of the OP184ESZ?
The minimum PSRR is 76 dB).
- What is the gain bandwidth product (GBP) of the OP184ESZ?
The GBP is 3 MHz).
- What is the voltage noise density of the OP184ESZ?
The voltage noise density is 3.9 nV/√Hz at 1 kHz).
- In what package is the OP184ESZ available?
The OP184ESZ is available in an 8-lead SOIC (NSOIC) package).
- What are some typical applications of the OP184ESZ?
Typical applications include battery-powered instrumentation, power supply control and protection, telecommunications, DAC output amplifier, ADC input buffer, and use with various sensors and transducers).
- Is the OP184ESZ unity-gain stable?
Yes, the OP184ESZ is unity-gain stable).
