Overview
The AD8609ARUZ-REEL, manufactured by Analog Devices Inc., is a quad micropower rail-to-rail input and output operational amplifier. This device is part of the AD8603/AD8607/AD8609 family, known for their precision, low noise, and low power consumption. The AD8609 is particularly useful in applications requiring high accuracy and minimal power usage, such as battery-powered instrumentation, multipole filters, and sensors. It operates on a single supply from 1.8V to 5V or dual supply from ±0.9V to ±2.5V, making it versatile for various system designs.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Number of Channels | 4 | |
| Offset Voltage | 50 μV maximum | VS = 3.3V, VCM = 0.5V, TA = 25°C |
| Input Bias Current | 1 pA maximum | VS = 5V, VCM = VS/2, TA = 25°C |
| Noise | 22 nV/√Hz | f = 1 kHz |
| Supply Voltage | 1.8V to 5V (single supply), ±0.9V to ±2.5V (dual supply) | |
| Bandwidth | 400 kHz | |
| Slew Rate | 0.1 V/μs | RL = 10 kΩ |
| Power Supply Rejection Ratio (PSRR) | 80 dB to 100 dB | 1.8V < VS < 5V |
| Supply Current per Amplifier | 40 μA to 50 μA | VO = 0 V, −40°C < TA < +85°C |
| Package | 14-Lead TSSOP | |
| Operating Temperature Range | −40°C to +125°C |
Key Features
- Low Offset Voltage: Maximum of 50 μV, ensuring high precision in applications.
- Low Input Bias Current: Maximum of 1 pA, reducing errors in high-impedance circuits.
- Low Noise: 22 nV/√Hz at 1 kHz, suitable for noise-sensitive applications.
- Micropower Operation: Maximum supply current of 50 μA per amplifier, ideal for battery-powered devices.
- Rail-to-Rail Input and Output: Allows the amplifier to operate with input and output signals that swing to the supply rails, enhancing flexibility in system design.
- No Phase Reversal and Unity Gain Stable: Ensures stable operation without phase reversal, even at unity gain.
- High Power Supply Rejection Ratio (PSRR): Up to 100 dB, providing robust immunity to power supply noise.
Applications
- Battery-Powered Instrumentation: Ideal for portable and low-power measurement instruments.
- Multipole Filters: Suitable for filter circuits requiring low noise and high precision.
- Sensors: Used in sensor circuits where low offset and noise are critical.
- Low Power ASIC Input or Output Amplifiers: Applicable in low-power ASIC designs requiring rail-to-rail operation.
- Buffering CMOS ADCs, DACs, ASICs: Can buffer wide output swing devices in single-supply systems.
Q & A
- What is the maximum offset voltage of the AD8609ARUZ?
The maximum offset voltage is 50 μV at VS = 3.3V, VCM = 0.5V, and TA = 25°C.
- What is the input bias current of the AD8609ARUZ?
The input bias current is a maximum of 1 pA at VS = 5V, VCM = VS/2, and TA = 25°C.
- What is the noise performance of the AD8609ARUZ?
The noise voltage density is 22 nV/√Hz at 1 kHz.
- What is the operating supply voltage range for the AD8609ARUZ?
The device operates on a single supply from 1.8V to 5V or dual supply from ±0.9V to ±2.5V.
- What is the bandwidth of the AD8609ARUZ?
The bandwidth is 400 kHz.
- What is the slew rate of the AD8609ARUZ?
The slew rate is 0.1 V/μs at RL = 10 kΩ.
- What is the power supply rejection ratio (PSRR) of the AD8609ARUZ?
The PSRR is up to 100 dB for 1.8V < VS < 5V.
- What is the typical supply current per amplifier for the AD8609ARUZ?
The typical supply current per amplifier is 40 μA to 50 μA at VO = 0 V, −40°C < TA < +85°C.
- What is the package type and temperature range of the AD8609ARUZ?
The device comes in a 14-Lead TSSOP package and operates over a temperature range of −40°C to +125°C.
- Is the AD8609ARUZ suitable for battery-powered applications?
