Overview
The AD8538ARZ is a high-precision operational amplifier produced by Analog Devices Inc. This device is characterized by its extremely low offset voltage, low input bias current, and low power consumption, making it ideal for battery-powered devices and portable equipment. The AD8538 operates over a wide supply voltage range of 2.7V to 5.5V for single-supply operation and ±1.35V to ±2.5V for dual-supply operation. It is available in an 8-lead SOIC package and is specified over the extended industrial temperature range of -40°C to +125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Product Name | AD8538ARZ | |
| Number of Channels | 1 | |
| Gain Bandwidth Product | 430 kHz | |
| Slew Rate | 0.4 V/µs | |
| Supply Voltage Range | 2.7 V to 5.5 V (single supply), ±1.35 V to ±2.5 V (dual supply) | V |
| Input Offset Voltage | 5 µV (typ), 13 µV (max) | µV |
| Input Bias Current | 15 pA (typ), 25 pA (max) | pA |
| Supply Current | 150 µA (typ), 180 µA (max) | µA |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package | 8-lead SOIC | |
| Mounting Type | Surface Mount |
Key Features
- Extremely low offset voltage of 5 µV (typ) and 13 µV (max).
- Low input bias current of 15 pA (typ) and 25 pA (max).
- Low power consumption with a supply current of 150 µA (typ) and 180 µA (max).
- High gain, common-mode rejection ratio (CMRR), and power supply rejection ratio (PSRR).
- Single-supply operation from 2.7 V to 5.5 V and dual-supply operation from ±1.35 V to ±2.5 V.
- Operating temperature range of -40°C to +125°C.
- Low voltage noise of 2.0 µV p-p at f = 0.1 Hz to 10 Hz.
- Fast settling time of 10 µs for 0.01% accuracy.
Applications
- Mobile communications
- Portable instrumentation
- Battery-powered devices
- Sensor interfaces
- Temperature measurement
- Electronic scales
Q & A
- What is the typical input offset voltage of the AD8538ARZ?
The typical input offset voltage is 5 µV, with a maximum of 13 µV.
- What is the supply voltage range for the AD8538ARZ?
The supply voltage range is 2.7 V to 5.5 V for single-supply operation and ±1.35 V to ±2.5 V for dual-supply operation.
- What is the slew rate of the AD8538ARZ?
The slew rate is 0.4 V/µs.
- What is the operating temperature range of the AD8538ARZ?
The operating temperature range is -40°C to +125°C.
- What is the typical supply current of the AD8538ARZ?
The typical supply current is 150 µA, with a maximum of 180 µA.
- What package types are available for the AD8538ARZ?
The AD8538ARZ is available in an 8-lead SOIC package.
- Is the AD8538ARZ suitable for battery-powered devices?
Yes, it is ideal for battery-powered devices due to its low power consumption.
- What are some common applications of the AD8538ARZ?
Common applications include mobile communications, portable instrumentation, sensor interfaces, temperature measurement, and electronic scales.
- Does the AD8538ARZ have rail-to-rail input/output capability?
No, it does not have rail-to-rail input/output capability.
- What is the gain bandwidth product of the AD8538ARZ?
The gain bandwidth product is 430 kHz.
