Overview
The AD8606ARMZ-R7, produced by Analog Devices Inc., is a dual rail-to-rail input and output, single-supply operational amplifier. This component is part of the AD8605, AD8606, and AD8608 family, which are known for their high precision and low noise characteristics. The AD8606 is particularly useful in applications requiring two amplifiers, offering very low offset voltage, low input bias currents, and wide signal bandwidth. It is designed using Analog Devices' patented DigiTrim® trimming technique, which ensures superior precision without the need for laser trimming.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | VS = 3.5 V, VCM = 3 V | 20 | 65 | µV | |
| Input Bias Current | IB | -40°C < TA < +85°C | 0.2 | 1 | pA | |
| Input Offset Current | IOS | -40°C < TA < +85°C | 0.1 | 0.5 | pA | |
| Input Voltage Range | 0 to 2.7 V | V | ||||
| Common-Mode Rejection Ratio | CMRR | VCM = 0 V to 2.7 V | 80 | 95 | dB | |
| Large Signal Voltage Gain | AVO | RL = 2 kΩ, VO = 0.5 V to 2.2 V | 110 | 350 | V/mV | |
| Output Voltage High | VOH | IL = 1 mA | 2.6 | 2.66 | V | |
| Output Voltage Low | VOL | IL = 1 mA | 25 | 40 | mV | |
| Output Current | IOUT | ±30 | mA | |||
| Supply Current/Amplifier | ISY | IOUT = 0 mA | 1.15 | 1.4 | mA | |
| Slew Rate | SR | RL = 2 kΩ, CL = 16 pF | 5 | V/µs | ||
| Settling Time | tS | To 0.01%, 0 V to 1 V step, AV = 1 | <1 | µs |
Key Features
- Low Offset Voltage: Maximum of 65 μV, ensuring high precision in signal amplification.
- Low Input Bias Currents: Maximum of 1 pA, which is beneficial for high impedance sensors and low current applications.
- Low Noise: Voltage noise density of 8 nV/√Hz at 1 kHz, making it suitable for noise-sensitive applications.
- Wide Bandwidth: 10 MHz bandwidth, supporting a wide range of signal frequencies.
- High Open-Loop Gain: 1000 V/mV, providing high gain stability.
- Unity Gain Stable: Stable operation at unity gain, which is essential for many amplifier configurations.
- Single-Supply Operation: Operates from a single supply voltage of 2.7 V to 5.5 V, making it versatile for various power supply conditions.
- Compact Packaging: Available in an 8-ball WLCSP package, suitable for space-constrained designs.
Applications
- Photodiode Amplification: Ideal for amplifying signals from photodiodes due to its low noise and high gain.
- Battery-Powered Instrumentation: Suitable for portable and battery-powered devices due to its low power consumption.
- Multipole Filters and Sensors: Used in filter circuits and high impedance sensor applications.
- Barcode Scanners and Audio: Beneficial in barcode scanners and audio amplification due to its wide bandwidth and low distortion.
- Optical Control Loops and Portable Devices: Used in optical control loops and audio amplification for portable devices.
Q & A
- What is the maximum offset voltage of the AD8606?
The maximum offset voltage of the AD8606 is 65 μV.
- What is the input bias current of the AD8606?
The input bias current of the AD8606 is a maximum of 1 pA.
- What is the bandwidth of the AD8606?
The bandwidth of the AD8606 is 10 MHz.
- Is the AD8606 unity gain stable?
Yes, the AD8606 is unity gain stable.
- What is the supply voltage range for the AD8606?
The supply voltage range for the AD8606 is from 2.7 V to 5.5 V.
- What is the output current capability of the AD8606?
The output current capability of the AD8606 is ±30 mA.
- What is the slew rate of the AD8606?
The slew rate of the AD8606 is 5 V/µs.
- What is the common-mode rejection ratio (CMRR) of the AD8606?
The CMRR of the AD8606 is 80 dB to 95 dB.
- What are some common applications of the AD8606?
The AD8606 is commonly used in photodiode amplification, battery-powered instrumentation, multipole filters, sensors, barcode scanners, and audio applications.
- What packaging options are available for the AD8606?
The AD8606 is available in an 8-ball WLCSP package.
