Overview
The AD8607ARZ is a dual micropower rail-to-rail input and output operational amplifier produced by Analog Devices Inc. This amplifier is distinguished by its very low offset voltage, low input voltage and current noise, and low power consumption. It uses a patented trimming technique to achieve superior precision without the need for laser trimming. The AD8607 is fully specified to operate from a single supply of 1.8V to 5V or from a dual supply of ±0.9V to ±2.5V, making it highly versatile for various applications. Its ability to swing rail-to-rail at both the input and output enables it to buffer CMOS ADCs, DACs, ASICs, and other wide output swing devices in low power, single-supply systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | - |
| Input Offset Voltage (Vos) | 12 µV (typ), 50 µV (max) | µV |
| Input Bias Current (Ib) | 0.2 pA (typ), 1 pA (max) | pA |
| Supply Voltage | 1.8V to 5V (single), ±0.9V to ±2.5V (dual) | V |
| Operating Supply Current | 40 µA (typ), 50 µA (max) | µA |
| Output Current per Channel | ±70 mA | mA |
| Common Mode Rejection Ratio (CMRR) | 80 dB (typ), 100 dB (max) | dB |
| Input Voltage Noise Density (en) | 25 nV/√Hz (typ) | nV/√Hz |
| Slew Rate (SR) | 100 mV/µs (typ) | mV/µs |
| Gain Bandwidth Product (GBP) | 316 kHz (typ) | kHz |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Type | SOIC-8 | - |
Key Features
- Symmetric output architecture
- Low noise floor and wide bandwidth
- Precision temperature compensation
- Differential input stage
- High common-mode rejection ratio (CMRR)
- Low distortion and high slew rate
- Low offset voltage: 50 µV maximum
- Low input bias current: 1 pA maximum
- Micropower operation: 50 µA maximum supply current per amplifier
- No phase reversal
- Unity gain stable
Applications
- Battery-powered instrumentation
- Precision measurement
- Multipole filters
- Sensors and sensor signal conditioning
- Low power ASIC input or output amplifiers
- Data acquisition systems
- Medical equipment
- Internet of Things (IoT) devices
Q & A
- What is the input offset voltage of the AD8607ARZ?
The input offset voltage of the AD8607ARZ is typically 12 µV and can be up to 50 µV maximum.
- What is the operating supply current of the AD8607ARZ?
The operating supply current of the AD8607ARZ is typically 40 µA and can be up to 50 µA maximum.
- What is the common-mode rejection ratio (CMRR) of the AD8607ARZ?
The CMRR of the AD8607ARZ is typically 80 dB and can be up to 100 dB maximum.
- What is the slew rate of the AD8607ARZ?
The slew rate of the AD8607ARZ is typically 100 mV/µs.
- What is the gain bandwidth product (GBP) of the AD8607ARZ?
The GBP of the AD8607ARZ is typically 316 kHz.
- What are the typical applications of the AD8607ARZ?
The AD8607ARZ is typically used in battery-powered instrumentation, precision measurement, multipole filters, sensors, and low power ASIC input or output amplifiers.
- What is the package type of the AD8607ARZ?
The package type of the AD8607ARZ is SOIC-8.
- What is the operating temperature range of the AD8607ARZ?
The operating temperature range of the AD8607ARZ is -40°C to +125°C.
- Can the AD8607ARZ operate on a single supply or dual supply?
Yes, the AD8607ARZ can operate on a single supply from 1.8V to 5V or on a dual supply from ±0.9V to ±2.5V.
- What are some equivalent products to the AD8607ARZ?
Some equivalent products to the AD8607ARZ include the MAX4209, OP297, and LT1632.
