Overview
The AD8613AKSZ-REEL7 is a single-channel, micropower, rail-to-rail input and output operational amplifier produced by Analog Devices Inc. This device is part of the AD8613/AD8617/AD8619 family, known for its low supply current, low input voltage and current noise, and high performance in low-power applications.
It is designed to operate from a single supply of 1.8 V to 5.5 V or dual supplies of ±0.9 V to ±2.5 V, making it versatile for various system designs. The AD8613AKSZ-REEL7 is particularly useful in portable and loop-powered instrumentation due to its low power consumption and high accuracy.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | −0.3 V < VCM < +5.3 V | 0.4 | 2.2 | mV | |
| Offset Voltage Drift | ∆VOS/∆T | −40°C < TA < +125°C | 1 | 4.5 | μV/°C | |
| 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 | IVR | 0 | 5 V | |||
| Common-Mode Rejection Ratio | CMRR | 0 V < VCM < 5 V | 95 | dB | ||
| Large Signal Voltage Gain | AVO | RL = 10 kΩ, 0.5 V < VO < 4.5 V | 235 | 500 | V/mV | |
| Supply Current | ISY | 50 | μA/amplifier |
Key Features
- Rail-to-Rail Input and Output: The AD8613AKSZ-REEL7 can operate with input and output voltages that swing from the negative to the positive supply rail, making it ideal for buffering CMOS ADCs, DACs, and other wide output swing devices in low-power systems.
- Low Noise: With a noise level of 22 nV/√Hz, this amplifier is suitable for applications requiring high signal integrity.
- Low Input Bias Current: The amplifier features a very low input bias current of 1 pA maximum, which is beneficial for high-impedance sources.
- Micropower Consumption: The device consumes a maximum of 50 μA per amplifier over the temperature range, making it suitable for battery-powered and low-power applications.
- Single-Supply Operation: It can operate from a single supply of 1.8 V to 5.5 V or dual supplies of ±0.9 V to ±2.5 V.
- Unity Gain Stable: The amplifier is stable at unity gain, which simplifies circuit design.
Applications
- Battery-Powered Instrumentation: Ideal for portable and battery-powered devices due to its low power consumption.
- Multipole Filters: Suitable for use in filter circuits requiring low noise and high accuracy.
- Current Shunt Sense: Used in current sensing applications where low input bias current is crucial.
- Sensors: Applicable in sensor circuits that require low noise and high signal integrity.
- ADC and DAC Drivers/Level Shifters: Buffers CMOS ADCs, DACs, and other wide output swing devices effectively.
- Low Power ASIC Input or Output Amplifiers: Suitable for use in low-power ASIC designs.
Q & A
- What is the operating voltage range of the AD8613AKSZ-REEL7?
The AD8613AKSZ-REEL7 can operate from a single supply of 1.8 V to 5.5 V or dual supplies of ±0.9 V to ±2.5 V.
- What is the maximum offset voltage of the AD8613AKSZ-REEL7?
The maximum offset voltage is 2.2 mV.
- What is the input bias current of the AD8613AKSZ-REEL7?
The input bias current is 1 pA maximum.
- Is the AD8613AKSZ-REEL7 suitable for battery-powered devices?
Yes, it is suitable due to its micropower consumption of 50 μA per amplifier.
- What is the common-mode rejection ratio (CMRR) of the AD8613AKSZ-REEL7?
The CMRR is 95 dB for a common-mode voltage range of 0 V to 5 V.
- Can the AD8613AKSZ-REEL7 be used in automotive applications?
Yes, it is qualified for automotive applications.
- What is the noise level of the AD8613AKSZ-REEL7?
The noise level is 22 nV/√Hz.
- Is the AD8613AKSZ-REEL7 unity gain stable?
Yes, it is stable at unity gain.
- What are some common applications of the AD8613AKSZ-REEL7?
Common applications include battery-powered instrumentation, multipole filters, current shunt sense, sensors, and ADC/DAC drivers/level shifters.
- What is the package type of the AD8613AKSZ-REEL7?
The package type is SC-70-5.
