Overview
The OP184ES from Analog Devices Inc. is a precision rail-to-rail input and output operational amplifier. This single-supply amplifier is designed for a wide range of applications requiring both AC and precision DC performance. It operates from a supply voltage of 3 V to 36 V (or ±1.5 V to ±18 V) and features a 4 MHz bandwidth, making it suitable for various instrumentation and amplifier applications.
Key Specifications
| Parameter | Symbol | Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | −40°C ≤ TA ≤ +125°C | 100 μV | 200 μV | μV | |
| Input Bias Current | IB | −40°C ≤ TA ≤ +125°C | 80 nA | 450 nA | 575 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 | ||
| Supply Current/Amplifier | ISY | VO = 1.5 V, −40°C ≤ TA ≤ +125°C | 1.35 mA | mA | ||
| Gain Bandwidth Product | GBP | 3.25 MHz | MHz | |||
| Slew Rate | SR | 4.0 V/μs | V/μs | |||
| Voltage Noise Density | en | f = 1 kHz | 3.9 nV/√Hz | nV/√Hz |
Key Features
- Rail-to-Rail Input and Output: The OP184ES features rail-to-rail input and output capabilities, allowing it to swing from the negative to the positive supply rail, which is particularly useful in single-supply applications.
- Low Input Offset Voltage: With an input offset voltage as low as 100 μV, this amplifier offers high precision and accuracy.
- High Common-Mode Rejection Ratio (CMRR): The CMRR of 56 dB to 60 dB ensures good rejection of common-mode signals, enhancing the signal-to-noise ratio.
- Low Noise: The voltage noise density of 3.9 nV/√Hz makes it suitable for applications requiring low noise levels.
- High Slew Rate: A slew rate of 4.0 V/μs allows for fast signal transitions and is beneficial in applications requiring high-speed operation.
- Wide Supply Voltage Range: The amplifier can operate from a supply voltage of 3 V to 36 V (or ±1.5 V to ±18 V), making it versatile for various power supply conditions.
Applications
- Battery-Powered Instrumentation: The low power consumption and single-supply operation make it ideal for battery-powered devices.
- Power Supply Control and Protection: The OP184ES can be used in power supply control circuits to monitor and protect against voltage fluctuations.
- Telecommunications: Suitable for use in portable telecommunications equipment due to its low power and high performance characteristics.
- ADC and DAC Buffers: It can serve as an input buffer for analog-to-digital converters (ADCs) and output buffers for digital-to-analog converters (DACs).
- Transducer Amplifiers: The rail-to-rail input capability makes it suitable for amplifying signals from transducers such as Hall effect, piezoelectric, and resistive sensors.
Q & A
- What is the input offset voltage of the OP184ES?
The input offset voltage of the OP184ES is as low as 100 μV.
- What is the common-mode rejection ratio (CMRR) of the OP184ES?
The CMRR of the OP184ES is between 56 dB and 60 dB.
- What is the slew rate of the OP184ES?
The slew rate of the OP184ES is 4.0 V/μs.
- What is the gain bandwidth product (GBP) of the OP184ES?
The GBP of the OP184ES is 3.25 MHz.
- What is the operating temperature range of the OP184ES?
The OP184ES operates over a temperature range of -40°C to 125°C.
- What is the supply voltage range for the OP184ES?
The OP184ES can operate from a supply voltage of 3 V to 36 V (or ±1.5 V to ±18 V).
- Is the OP184ES suitable for single-supply applications?
- What are some typical applications of the OP184ES?
- What is the package type of the OP184ES?
- What is the voltage noise density of the OP184ES?
