Overview
The ADA4098-2HRZ is a precision operational amplifier designed and manufactured by Analog Devices Inc. This dual-channel op-amp is known for its robust performance, precision, and wide range of operational capabilities. It features rail-to-rail input and output stages, making it suitable for a variety of applications requiring high accuracy and reliability.
The ADA4098-2HRZ is particularly noted for its ultrawide common-mode input range, low power supply current, and high power supply rejection ratio (PSRR). These characteristics make it an ideal choice for instrumentation, industrial control, and other precision electronics applications.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Number of Channels | 2 | |||
| Gain Bandwidth Product (GBP) | MHz | 0.9 | 1.05 | |
| Slew Rate | V/μs | 0.15 | 0.4 | |
| Common Mode Rejection Ratio (CMRR) | dB | 120 | ||
| Input Bias Current | pA | 350 | ||
| Input Offset Voltage | μV | 15 | ||
| Input Voltage Noise Density | nV/√Hz | 17 | ||
| Supply Voltage - Max | V | 50 | ||
| Supply Voltage - Min | V | 3 | ||
| Operating Supply Current per Channel | μA | 165 | ||
| Minimum Operating Temperature | °C | -55 | ||
| Maximum Operating Temperature | °C | 150 | ||
| Shutdown Current | μA | 12 | 20 | |
| Input Noise Current Density | pA/√Hz | 0.15 | ||
| Input Type | Rail-to-Rail | |||
| Output Type | Rail-to-Rail | |||
| Power Supply Rejection Ratio (PSRR) | dB | 123 | 145 | |
| Settling Time | μs | 18 |
Key Features
- Ultrawide Common-Mode Input Range: From −VS − 0.1 V to −VS + 70 V, allowing for operation over a wide range of input voltages.
- Wide Power Supply Voltage Range: Operates from +3 V to +50 V (or ±25 V), providing flexibility in power supply configurations.
- Low Power Supply Current: Typical current of 165 μA per channel, making it suitable for low-power applications.
- Low Input Offset Voltage: Maximum input offset voltage of ±35 μV, ensuring high precision in signal processing.
- High Power Supply Rejection Ratio (PSRR): Up to 145 dB, which helps in minimizing the impact of power supply noise on the output.
- Rail-to-Rail Input and Output: Allows the op-amp to operate with input and output signals that range from the negative to the positive supply rail.
- Shutdown Capability: Features a shutdown mode that reduces the supply current to 12 μA to 20 μA, useful for power-saving in idle states).
Applications
- Instrumentation: Suitable for precision measurement instruments due to its high accuracy and low noise characteristics.
- Industrial Control: Used in control systems that require reliable and precise signal processing.
- Medical Devices: Can be used in medical equipment where high precision and low noise are critical.
- Aerospace and Defense: Its robust performance and wide operating temperature range make it suitable for harsh environments).
Q & A
- Q: What is the typical supply current of the ADA4098-2HRZ?
A: The typical supply current is 165 μA per channel).
- Q: What is the maximum operating voltage for the ADA4098-2HRZ?
A: The maximum operating voltage is 50 V).
- Q: Does the ADA4098-2HRZ have a shutdown feature?
A: Yes, it has a shutdown feature that reduces the supply current to 12 μA to 20 μA).
- Q: What is the common-mode rejection ratio (CMRR) of the ADA4098-2HRZ?
A: The CMRR is 120 dB).
- Q: What is the input offset voltage of the ADA4098-2HRZ?
A: The maximum input offset voltage is ±35 μV).
- Q: What is the gain bandwidth product (GBP) of the ADA4098-2HRZ?
A: The GBP is 1.05 MHz).
- Q: What is the slew rate of the ADA4098-2HRZ?
A: The slew rate is 0.15 V/μs to 0.4 V/μs).
- Q: What is the input noise current density of the ADA4098-2HRZ?
A: The input noise current density is 0.15 pA/√Hz).
- Q: What is the operating temperature range of the ADA4098-2HRZ?
A: The operating temperature range is from -55°C to 150°C).
- Q: Is the ADA4098-2HRZ RoHS compliant?
A: No, the ADA4098-2HRZ is not RoHS compliant).
