Overview
The AD8539ARMZ is a precision, auto-zero operational amplifier produced by Analog Devices Inc. This dual-channel amplifier is known for its extremely low offset voltage, low input bias current, and low power consumption, making it ideal for a variety of applications, especially in battery-powered devices and portable equipment. The AD8539ARMZ operates over a wide supply voltage range from 2.7 V to 5.5 V (or ±1.35 V to ±2.5 V for dual supply) and is specified over the extended industrial temperature range of -40°C to +125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | Zero-Drift | |
| Slew Rate | 0.4 | V/µs |
| Gain Bandwidth Product (GBP) | 430 | kHz |
| Input Bias Current | 15 | pA |
| Input Offset Voltage | 5 | µV |
| Supply Current per Channel | 170 | µA |
| Output Current per Channel | 25 | mA |
| Supply Voltage Range | 2.7 V to 5.5 V (or ±1.35 V to ±2.5 V) | V |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package/Case | 8-MSOP | |
| Common Mode Rejection Ratio (CMRR) | 135 | dB |
| Power Supply Rejection Ratio (PSRR) | 125 | dB |
| Voltage Noise Density | 50 | nV/√Hz |
Key Features
- Extremely low offset voltage: 5 µV maximum
- Low input bias current: 15 pA
- Low power consumption: 170 µA per channel
- High gain, CMRR, and PSRR
- Single-supply operation: 2.7 V to 5.5 V (or ±1.35 V to ±2.5 V for dual supply)
- Operating temperature range: -40°C to +125°C
- Auto-zero technology for minimal drift over time and temperature
Applications
- Mobile communications
- Portable instrumentation
- Battery-powered devices
- Sensor interfaces
- Temperature measurement
- Electronic scales
- Automotive applications
Q & A
- What is the input offset voltage of the AD8539ARMZ?
The input offset voltage is 5 µV maximum.
- What is the slew rate of the AD8539ARMZ?
The slew rate is 0.4 V/µs.
- What is the gain bandwidth product (GBP) of the AD8539ARMZ?
The GBP is 430 kHz.
- What is the supply current per channel for the AD8539ARMZ?
The supply current per channel is 170 µA).
- What is the operating temperature range of the AD8539ARMZ?
The operating temperature range is -40°C to +125°C).
- What package types are available for the AD8539ARMZ?
The AD8539ARMZ is available in 8-MSOP packages).
- What are some typical applications for the AD8539ARMZ?
Typical applications include mobile communications, portable instrumentation, battery-powered devices, sensor interfaces, temperature measurement, and electronic scales).
- Is the AD8539ARMZ suitable for automotive applications?
- What is the common mode rejection ratio (CMRR) of the AD8539ARMZ?
The CMRR is 135 dB).
- What is the power supply rejection ratio (PSRR) of the AD8539ARMZ?
The PSRR is 125 dB).
