Overview
The AD8538ARZ-REEL7 is a high-precision, low-power operational amplifier manufactured by Analog Devices. This device is part of the AD8538 series, known for its extremely low offset voltage, low input bias current, and low power consumption. It is ideal for applications requiring high precision and low power, such as battery-powered devices and portable equipment. The AD8538ARZ-REEL7 operates over an extended industrial temperature range of -40°C to 125°C, making it suitable for a wide range of environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (Single) | 2.7 | 5.5 | V | |
| Supply Voltage (Dual) | ±1.35 | ±2.5 | V | |
| Offset Voltage (VOS) | 5 | 16 | 30 | µV |
| Input Offset Drift (∆VOS/∆T) | 0.03 | 0.1 | µV/°C | |
| Input Bias Current | 25 | pA | ||
| Supply Current (ISY) | 150 | 180 | 215 | µA |
| Slew Rate (SR) | 0.35 | V/µs | ||
| Gain Bandwidth Product (GBP) | 430 | kHz | ||
| Phase Margin (ØM) | 65 | Degrees | ||
| Operating Temperature Range | -40 | 125 | °C | |
| Package Type | 8-Lead SOIC N |
Key Features
- Extremely low offset voltage: 13 µV maximum
- Low input bias current: 25 pA
- Low power consumption: Supply current less than 215 µA per amplifier at 5.0 V
- Single-supply operation: 2.7 V to 5.5 V; Dual-supply operation: ±1.35 V to ±2.5 V
- High gain, common-mode rejection ratio (CMRR), and power supply rejection ratio (PSRR)
- Rail-to-rail input and output
- Extended industrial temperature range: -40°C to 125°C
- Qualified for automotive applications
Applications
- Mobile communications
- Portable instrumentation
- Battery-powered devices
- Sensor interfaces
- Temperature measurement
- Electronic scales
- Automotive systems
Q & A
- What is the typical supply voltage range for the AD8538ARZ-REEL7?
The AD8538ARZ-REEL7 can operate on a single supply from 2.7 V to 5.5 V or on a dual supply from ±1.35 V to ±2.5 V.
- What is the maximum offset voltage of the AD8538ARZ-REEL7?
The maximum offset voltage is 13 µV.
- What is the input bias current of the AD8538ARZ-REEL7?
The input bias current is 25 pA.
- What is the typical supply current of the AD8538ARZ-REEL7 at 5.0 V?
The typical supply current is 180 µA at 5.0 V.
- What is the gain bandwidth product (GBP) of the AD8538ARZ-REEL7?
The gain bandwidth product is 430 kHz.
- What is the operating temperature range of the AD8538ARZ-REEL7?
The operating temperature range is -40°C to 125°C.
- In what package types is the AD8538ARZ-REEL7 available?
The AD8538ARZ-REEL7 is available in an 8-Lead SOIC N package.
- Is the AD8538ARZ-REEL7 qualified for automotive applications?
Yes, it is qualified for automotive applications.
- What are some common applications of the AD8538ARZ-REEL7?
Common applications include mobile communications, portable instrumentation, battery-powered devices, sensor interfaces, temperature measurement, and electronic scales.
- What is the slew rate of the AD8538ARZ-REEL7?
The slew rate is 0.35 V/µs.
