Overview
The OP284ES from Analog Devices Inc. is a dual-channel, general-purpose operational amplifier known for its precision and versatility. This device is part of the OP284 series, which features rail-to-rail input and output capabilities, making it ideal for single-supply applications requiring both AC and precision DC performance. The OP284ES operates over a wide supply voltage range from 3 V to 36 V (or ±1.5 V to ±18 V), making it suitable for a variety of applications including battery-powered instrumentation, power supply control, and telecommunications equipment.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | 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 |
| Common-Mode Rejection Ratio | CMRR | VCM = 0 V to 3 V, −40°C ≤ TA ≤ +125°C | 80 dB | - | 90 dB | dB |
| Bandwidth | - | - | - | 4 MHz | - | MHz |
| Slew Rate | - | - | - | 4 V/μs | - | V/μs |
| Supply Voltage | - | - | 3 V | - | 36 V (or ±1.5 V to ±18 V) | V |
| Output Current per Channel | - | - | - | 10 mA | - | mA |
| Package | - | - | - | - | 8-SOIC (0.154, 3.90mm Width) | - |
Key Features
- Single-Supply Operation: The OP284ES can operate from a single supply voltage ranging from 3 V to 36 V (or ±1.5 V to ±18 V).
- Rail-to-Rail Input and Output: This feature allows the amplifier to swing its input and output voltages from the negative to the positive supply rail, enhancing its usability in single-supply applications.
- Low Offset Voltage: With an input offset voltage as low as 100 μV, this amplifier is suitable for precision applications.
- High Slew Rate: A slew rate of 4 V/μs ensures fast response times.
- Low Noise: The amplifier has a low noise level, making it suitable for applications requiring high signal integrity.
- High Common-Mode Rejection Ratio (CMRR): A CMRR of up to 90 dB helps in rejecting common-mode signals, ensuring better performance in noisy environments.
Applications
- Battery-Powered Instrumentation: The low power consumption and single-supply operation make it ideal for battery-powered devices.
- Power Supply Control and Protection: Used in power supply circuits for control and protection due to its rail-to-rail input and output capabilities.
- Telecommunications Equipment: Suitable for use in portable telecommunications equipment due to its low power consumption and high performance.
- ADC and DAC Buffers: Often used as buffers for analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) due to its precision and low noise.
- Sensor Interfaces: Used with various sensors such as Hall effect, piezoelectric, and resistive transducers due to its rail-to-rail input capability.
Q & A
- What is the operating supply voltage range of the OP284ES?
The OP284ES operates from a single supply voltage ranging from 3 V to 36 V (or ±1.5 V to ±18 V).
- What is the input offset voltage of the OP284ES?
The input offset voltage of the OP284ES is typically 100 μV, with a maximum of 200 μV.
- What is the slew rate of the OP284ES?
The slew rate of the OP284ES is 4 V/μs.
- What is the common-mode rejection ratio (CMRR) of the OP284ES?
The CMRR of the OP284ES is up to 90 dB.
- What is the output current per channel of the OP284ES?
The output current per channel of the OP284ES is 10 mA.
- What package type is the OP284ES available in?
The OP284ES is available in an 8-SOIC package (0.154, 3.90mm Width).
- Is the OP284ES suitable for battery-powered applications?
Yes, the OP284ES is suitable for battery-powered applications due to its low power consumption and single-supply operation.
- Can the OP284ES be used as a buffer for ADCs and DACs?
Yes, the OP284ES can be used as a buffer for ADCs and DACs due to its precision and low noise characteristics).
- What sensors can the OP284ES be used with?
The OP284ES can be used with various sensors such as Hall effect, piezoelectric, and resistive transducers due to its rail-to-rail input capability).
- Is the OP284ES still in production?
No, the OP284ES is no longer in production, but substitutes or alternative package types may be available).
