Overview
The AD8617ARZ-REEL, produced by Analog Devices Inc., is a dual micro-power, rail-to-rail input and output operational amplifier. This component is part of the AD8613/AD8617/AD8619 family, known for its low supply current, low input voltage and current noise, and high performance in various applications. The AD8617 is particularly suited for use in portable and loop-powered instrumentation due to its low power consumption and low noise characteristics.
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 | V/mV | ||
| Output Voltage High | VOH | IL = 1 mA | 1.65 | 1.73 | V | |
| Output Voltage Low | VOL | IL = 1 mA | 44 | 60 | mV |
Key Features
- Low Supply Current: Maximum of 50 μA per amplifier over temperature.
- Rail-to-Rail Input and Output: Enables the amplifier to swing rail-to-rail at both the input and output.
- Low Noise: 22 nV/√Hz at 1 kHz.
- Low Input Bias Current: Maximum of 1 pA.
- Single-Supply Operation: Operates from 1.8 V to 5.5 V single supply or ±0.9 V and ±2.5 V dual supply.
- Unity Gain Stable: Suitable for a variety of applications without the need for additional compensation.
- Qualified for Automotive Applications: Meets the stringent requirements for automotive use.
Applications
- Battery-Powered Instrumentation: Ideal for portable and battery-powered devices due to its low power consumption.
- Multipole Filters: Used in filter circuits requiring low noise and low power.
- Current Shunt Sense: Suitable for current sensing applications.
- Sensors: Used in sensor circuits to amplify low-level signals.
- ADC and DAC Drivers/Level Shifters: Buffers CMOS ADCs, DACs, and other wide output swing devices in low power, single-supply systems.
- Low Power ASIC Input or Output Amplifiers: Used in low power ASIC designs.
Q & A
- What is the maximum offset voltage of the AD8617?
The maximum offset voltage of the AD8617 is 2.2 mV.
- What is the typical input bias current of the AD8617?
The typical input bias current is 1 pA.
- What is the operating voltage range for the AD8617?
The AD8617 operates from 1.8 V to 5.5 V single supply or ±0.9 V and ±2.5 V dual supply.
- What is the noise level of the AD8617?
The noise level is 22 nV/√Hz at 1 kHz.
- Is the AD8617 qualified for automotive applications?
Yes, the AD8617 is qualified for automotive applications.
- What is the maximum supply current per amplifier?
The maximum supply current per amplifier is 50 μA.
- What is the common-mode rejection ratio (CMRR) of the AD8617?
The CMRR is 95 dB for 0 V < VCM < 5 V.
- Can the AD8617 be used in multipole filter circuits?
Yes, the AD8617 is suitable for use in multipole filter circuits due to its low noise and low power characteristics.
- Is the AD8617 unity gain stable?
Yes, the AD8617 is unity gain stable and does not require additional compensation.
- What are some common applications of the AD8617?
Common applications include battery-powered instrumentation, current shunt sense, sensors, ADC and DAC drivers/level shifters, and low power ASIC input or output amplifiers).
