Overview
The AD8634HFZ is a high-temperature, low-power operational amplifier produced by Analog Devices Inc. This device is designed to operate in extreme temperature environments, making it suitable for various industrial and harsh environment applications. The AD8634HFZ features a dual op-amp configuration with rail-to-rail input and output stages, ensuring high accuracy and reliability across a wide range of temperatures.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Operating Temperature Range | −40°C to +210°C | |
| Supply Voltage | ±3.0 V to ±15.0 V | |
| Input Bias Current | −400 nA to +400 nA | VSY = ±15.0 V, VCM = 0 V |
| Offset Voltage | ±16 µV to ±14 µV | VSY = ±15.0 V, TA = −40°C to +210°C |
| Common-Mode Rejection Ratio (CMRR) | 100 dB to 120 dB | VSY = ±15.0 V, TA = −40°C to +210°C |
| Power Supply Rejection Ratio (PSRR) | 100 dB to 120 dB | VSY = ±5.0 V to ±15.0 V |
| Supply Current per Amplifier | 2.5 mA to 3.2 mA | VSY = ±15.0 V, VO = 0 V |
| Short-Circuit Current | ±40 mA | |
| Package Type | 8-Lead Ceramic Flat Package (FLATPACK) |
Key Features
- Rail-to-Rail Input and Output: Ensures maximum signal range and flexibility.
- High Temperature Operation: Capable of operating from −40°C to +210°C, making it ideal for harsh environment applications.
- Low Power Consumption: Supply current per amplifier is typically 2.5 mA to 3.2 mA, reducing power requirements.
- High Accuracy: Low offset voltage and low input bias current contribute to high precision in signal processing.
- High CMRR and PSRR: Excellent common-mode rejection ratio and power supply rejection ratio ensure minimal interference and noise.
- RoHS Compliant: Meets environmental standards for lead-free packaging.
Applications
- Industrial Automation: Suitable for control systems, sensors, and actuators in industrial environments.
- Aerospace and Defense: Used in systems requiring high reliability and operation in extreme temperatures.
- Automotive Systems: Applicable in automotive electronics that need to withstand harsh environmental conditions.
- Medical Devices: Can be used in medical equipment that requires high precision and reliability.
- High-Temperature Data Acquisition: Ideal for data acquisition systems operating in extreme temperatures.
Q & A
- What is the operating temperature range of the AD8634HFZ?
The AD8634HFZ operates from −40°C to +210°C.
- What are the typical supply voltages for the AD8634HFZ?
The device can operate with supply voltages ranging from ±3.0 V to ±15.0 V.
- What is the input bias current of the AD8634HFZ?
The input bias current is typically between −400 nA and +400 nA.
- What is the offset voltage of the AD8634HFZ?
The offset voltage ranges from ±16 µV to ±14 µV across the operating temperature range.
- What is the common-mode rejection ratio (CMRR) of the AD8634HFZ?
The CMRR is typically between 100 dB and 120 dB.
- What is the power supply rejection ratio (PSRR) of the AD8634HFZ?
The PSRR is typically between 100 dB and 120 dB.
- What is the supply current per amplifier for the AD8634HFZ?
The supply current per amplifier is typically 2.5 mA to 3.2 mA.
- What is the short-circuit current limit of the AD8634HFZ?
The short-circuit current limit is ±40 mA.
- In what package type is the AD8634HFZ available?
The AD8634HFZ is available in an 8-Lead Ceramic Flat Package (FLATPACK).
- Is the AD8634HFZ RoHS compliant?
Yes, the AD8634HFZ is RoHS compliant.
