Overview
The ADA4666-2ARMZ-RL is a high-performance, dual CMOS operational amplifier produced by Analog Devices Inc. This amplifier is optimized for low power consumption, high bandwidth, and a wide operating supply voltage range. It is particularly suited for applications requiring precision, stability, and low power usage.
The ADA4666-2 is designed to operate over a broad supply voltage range, from 3 V to 18 V for single-supply operation and ±1.5 V to ±9 V for dual-supply operation. It is specified over the extended industrial temperature range of −40°C to +125°C, making it versatile for various environmental conditions.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | VSY | 3 | - | 18 | V |
| Quiescent Current | IQ | - | 725 | - | μA |
| Gain Bandwidth Product | GBW | - | 4 | - | MHz |
| Input Offset Voltage | VOS | - | 2.2 | - | mV |
| Input Bias Current | IB | - | 15 | - | pA |
| Unity-Gain Crossover Frequency | fc | - | 4 | - | MHz |
| -3 dB Closed-Loop Bandwidth | f-3dB | - | 2.1 | - | MHz |
| Settling Time to 0.1% | tS | - | 1.3 | - | μs |
| Channel Separation | CS | - | 85 | - | dB |
Key Features
- Low power consumption at high voltage: 725 μA maximum.
- Low input offset voltage: 2.2 mV maximum over the entire common-mode range.
- Low input bias current: 15 pA maximum.
- High gain bandwidth product: 4 MHz typical at AV = 100.
- Unity-gain stable with a unity-gain crossover frequency of 4 MHz typical.
- -3 dB closed-loop bandwidth: 2.1 MHz typical.
- Single-supply operation: 3 V to 18 V and dual-supply operation: ±1.5 V to ±9 V.
- Extended industrial temperature range: −40°C to +125°C.
- Available in 8-lead MSOP and 8-lead LFCSP (3 mm × 3 mm) packages.
Applications
- Current shunt monitors.
- Active filters.
- Portable medical equipment.
- Buffer/level shifting.
- High impedance sensor interfaces.
- Battery-powered instrumentation.
Q & A
- What is the maximum supply voltage for the ADA4666-2?
The maximum supply voltage for the ADA4666-2 is 18 V for single-supply operation and ±9 V for dual-supply operation.
- What is the typical gain bandwidth product of the ADA4666-2?
The typical gain bandwidth product of the ADA4666-2 is 4 MHz at AV = 100.
- What is the input offset voltage of the ADA4666-2?
The input offset voltage of the ADA4666-2 is 2.2 mV maximum over the entire common-mode range.
- What is the input bias current of the ADA4666-2?
The input bias current of the ADA4666-2 is 15 pA maximum.
- What are the typical operating temperatures for the ADA4666-2?
The ADA4666-2 is specified over the extended industrial temperature range of −40°C to +125°C.
- In what packages is the ADA4666-2 available?
The ADA4666-2 is available in 8-lead MSOP and 8-lead LFCSP (3 mm × 3 mm) packages.
- What are some common applications for the ADA4666-2?
Common applications include current shunt monitors, active filters, portable medical equipment, buffer/level shifting, high impedance sensor interfaces, and battery-powered instrumentation.
- What is the quiescent current of the ADA4666-2?
The quiescent current of the ADA4666-2 is 725 μA maximum.
- What is the settling time to 0.1% for the ADA4666-2?
The settling time to 0.1% for the ADA4666-2 is 1.3 μs.
- What is the channel separation of the ADA4666-2?
The channel separation of the ADA4666-2 is 85 dB.
