Overview
The ADA4528-2ARMZ-RL from Analog Devices Inc. is a precision, ultra-low noise, zero-drift operational amplifier. This dual-channel op-amp features rail-to-rail input and output swing, making it highly versatile for various precision amplification applications. It is designed to operate over a wide supply voltage range of 2.2 V to 5.5 V for single-supply operation and ±1.1 V to ±2.75 V for dual-supply operation. The ADA4528-2 is known for its high gain, excellent common-mode rejection ratio (CMRR), and power supply rejection ratio (PSRR), which are critical for accurate signal processing and amplification in demanding environments.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADA4528-2ARMZ-RL |
| Package | MSOP-8 |
| Number of Channels | 2 |
| Supply Voltage Range | 2.2 V to 5.5 V (single-supply), ±1.1 V to ±2.75 V (dual-supply) |
| Offset Voltage | 2.5 μV |
| Offset Voltage Drift | 0.015 μV/°C |
| Common-Mode Rejection Ratio (CMRR) | 135 dB (minimum) |
| Power Supply Rejection Ratio (PSRR) | 130 dB (minimum) |
| Gain Bandwidth Product | 3 MHz at AV = +100 |
| -3 dB Closed-Loop Bandwidth | 6.2 MHz |
| Voltage Noise Density | 5.6 nV/√Hz at 1 kHz |
| Settling Time | 10 μs |
| Operating Temperature Range | -40°C to +125°C |
Key Features
- Ultra-Low Noise and Zero Drift: The ADA4528-2 features ultra-low noise and zero drift, making it ideal for precision amplification applications where error sources cannot be tolerated.
- Rail-to-Rail Input and Output Swing: This op-amp offers rail-to-rail input and output swing, enhancing its versatility in various applications.
- High CMRR and PSRR: Excellent common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) ensure that the amplifier can effectively reject noise and interference.
- Wide Supply Voltage Range: Operates over a wide supply voltage range, supporting both single-supply and dual-supply configurations.
- High Gain and Bandwidth: Features a high gain bandwidth product and a high -3 dB closed-loop bandwidth, making it suitable for applications requiring precise amplification of low-level signals.
Applications
- Thermocouple and Thermopile Amplification: Ideal for amplifying signals from thermocouples and thermopiles due to its low noise and high accuracy.
- Load Cell and Bridge Transducers: Suitable for precision instrumentation involving load cells and bridge transducers.
- Precision Instrumentation: Used in various precision instrumentation applications where high accuracy and low noise are critical.
- Electronic Scales and Medical Instrumentation: Applied in electronic scales and medical instrumentation due to its high precision and reliability.
- Handheld Test Equipment: Utilized in handheld test equipment requiring precise signal amplification.
Q & A
- What is the package type of the ADA4528-2ARMZ-RL?
The ADA4528-2ARMZ-RL is available in an 8-lead MSOP package.
- What is the supply voltage range for the ADA4528-2ARMZ-RL?
The ADA4528-2ARMZ-RL operates over a supply voltage range of 2.2 V to 5.5 V for single-supply and ±1.1 V to ±2.75 V for dual-supply configurations.
- What is the offset voltage of the ADA4528-2ARMZ-RL?
The offset voltage of the ADA4528-2ARMZ-RL is 2.5 μV.
- What are the CMRR and PSRR specifications of the ADA4528-2ARMZ-RL?
The ADA4528-2ARMZ-RL has a CMRR of 135 dB (minimum) and a PSRR of 130 dB (minimum).
- What is the gain bandwidth product of the ADA4528-2ARMZ-RL?
The gain bandwidth product of the ADA4528-2ARMZ-RL is 3 MHz at AV = +100.
- What is the -3 dB closed-loop bandwidth of the ADA4528-2ARMZ-RL?
The -3 dB closed-loop bandwidth of the ADA4528-2ARMZ-RL is 6.2 MHz.
- What is the voltage noise density of the ADA4528-2ARMZ-RL?
The voltage noise density of the ADA4528-2ARMZ-RL is 5.6 nV/√Hz at 1 kHz.
- What is the settling time of the ADA4528-2ARMZ-RL?
The settling time of the ADA4528-2ARMZ-RL is 10 μs.
- What are some common applications of the ADA4528-2ARMZ-RL?
The ADA4528-2ARMZ-RL is commonly used in thermocouple and thermopile amplification, load cell and bridge transducers, precision instrumentation, electronic scales, medical instrumentation, and handheld test equipment.
- What is the operating temperature range of the ADA4528-2ARMZ-RL?
The operating temperature range of the ADA4528-2ARMZ-RL is -40°C to +125°C.
