Overview
The AD8665ARZ-REEL7 is a single-supply, rail-to-rail output operational amplifier produced by Analog Devices Inc. This amplifier is part of the AD866x family, known for its low noise performance and extended operating range. It is designed to operate with supply voltages up to 16V and is suitable for a wide range of applications requiring high accuracy and low noise.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Offset Voltage (VOS) | VCM = 8 V | 0.6 | 2.5 | 3.0 | mV |
| Offset Voltage Drift (ΔVOS/ΔT) | −40°C < TA < +125°C | 3.0 | 10 | μV/°C | |
| Input Bias Current (IB) | 0.2 | 1 | pA | ||
| Supply Current per Amplifier (ISY) | 1.15 | 1.55 | 2.0 | mA | |
| Slew Rate (SR) | RL = 2 kΩ | 3.5 | V/μs | ||
| Gain Bandwidth Product (GBP) | 4 | MHz | |||
| Phase Margin (ΦM) | 70 | Degrees | |||
| Voltage Noise Density (en) | f = 10 kHz | 8 | nV/√Hz | ||
| Channel Separation (CS) | f = 10 kHz | −115 | dB | ||
| Operating Temperature Range | −40 | +125 | °C | ||
| Supply Voltage | 18 | V |
Key Features
- Single-supply operation: 5 V to 16 V
- Dual-supply operation: ±2.5 V to ±8 V
- Low noise performance: 8 nV/√Hz @ 10 kHz
- Wide bandwidth: 4 MHz
- Rail-to-rail output
- Low input bias current: 1 pA max
- Offset voltage: 2.5 mV max
- High channel separation: −115 dB @ 10 kHz
- RoHS compliant and lead-free options available
Applications
The AD8665ARZ-REEL7 is suitable for various applications requiring low noise and high accuracy, including:
- Instrumentation and measurement systems
- Medical devices and equipment
- Audio and video equipment
- Industrial control systems
- Automotive systems (for the automotive-grade models AD8666W/AD8668W)
Q & A
- What is the operating supply voltage range for the AD8665ARZ-REEL7?
The AD8665ARZ-REEL7 can operate with a single supply voltage from 5 V to 16 V and with dual supplies from ±2.5 V to ±8 V.
- What is the maximum offset voltage for the AD8665ARZ-REEL7?
The maximum offset voltage is 2.5 mV at VCM = 8 V.
- What is the slew rate of the AD8665ARZ-REEL7?
The slew rate is 3.5 V/μs with a load resistance of 2 kΩ.
- What is the gain bandwidth product (GBP) of the AD8665ARZ-REEL7?
The gain bandwidth product is 4 MHz.
- What is the voltage noise density of the AD8665ARZ-REEL7 at 10 kHz?
The voltage noise density is 8 nV/√Hz at 10 kHz.
- Is the AD8665ARZ-REEL7 RoHS compliant?
- What is the operating temperature range for the AD8665ARZ-REEL7?
The operating temperature range is from −40°C to +125°C.
- What is the maximum input bias current for the AD8665ARZ-REEL7?
The maximum input bias current is 1 pA.
- Are there automotive-grade versions of the AD8665 available?
- What is the package type for the AD8665ARZ-REEL7?
The package type is 8-Lead SOIC_N.
