Overview
The AD8007ARZ-R7, produced by Analog Devices Inc., is a high-performance single-channel current feedback amplifier. It is part of the AD8007 and AD8008 series, which are known for their ultralow distortion and noise characteristics. These amplifiers are enabled by Analog Devices' proprietary second-generation eXtra-Fast Complementary Bipolar (XFCB) process, allowing for high performance with low power consumption. The AD8007ARZ-R7 is particularly notable for its low quiescent current and wide supply voltage range, making it suitable for a variety of applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| −3 dB Bandwidth | G = +1, VO = 0.2 V p-p, RL = 1 kΩ | 520 | 580 | - | MHz |
| −3 dB Bandwidth | G = +1, VO = 0.2 V p-p, RL = 150 Ω | 350 | 490 | - | MHz |
| −3 dB Bandwidth | G = +2, VO = 0.2 V p-p, RL = 150 Ω | 190 | 260 | - | MHz |
| Slew Rate | G = +1, VO = 2 V step | 900 | 1000 | - | V/μs |
| Voltage Noise | - | - | 2.7 | - | nV/√Hz |
| Supply Voltage Range | - | 5 | 12 | V | |
| Quiescent Current per Amplifier | - | 8.1 | 10.2 | mA | |
| Power Supply Rejection Ratio (+PSRR) | - | 59 | 64 | dB | |
| Power Supply Rejection Ratio (−PSRR) | - | 59 | 65 | dB | |
| Short-Circuit Current, Source | - | - | 130 | mA | |
| Short-Circuit Current, Sink | - | - | 90 | mA | |
| Capacitive Load Drive | 30% overshoot | - | - | 8 pF |
Key Features
The AD8007ARZ-R7 features several key attributes that make it highly versatile and efficient:
- Ultralow Distortion and Noise: The amplifier boasts extremely low distortion figures, such as −83 dBc at 20 MHz for the second harmonic and −92 dBc at 20 MHz for the third harmonic.
- High Bandwidth: With a bandwidth of up to 650 MHz, this amplifier is suitable for high-speed applications.
- Low Quiescent Current: The amplifier has a low quiescent current of 8.1 to 10.2 mA per amplifier, making it power-efficient.
- Wide Supply Voltage Range: It operates over a supply voltage range of 5 V to 12 V, providing flexibility in various system designs.
- High Slew Rate: A slew rate of 900 to 1000 V/μs ensures fast response times.
- Good Power Supply Rejection Ratio (PSRR): The amplifier has a PSRR of 59 to 65 dB, indicating good immunity to power supply noise.
Applications
The AD8007ARZ-R7 is designed to be used in a wide range of applications due to its high performance, low power consumption, and versatility:
- High-Speed Data Acquisition Systems: Its high bandwidth and low distortion make it ideal for high-speed data acquisition systems.
- Medical Imaging Equipment: The low noise and high slew rate are beneficial in medical imaging applications such as ultrasound and MRI.
- Professional Audio Equipment: The ultralow distortion and high bandwidth make it suitable for professional audio equipment where signal fidelity is critical.
- Industrial Control Systems: Its robust performance and wide supply voltage range make it a good choice for industrial control systems.
- Test and Measurement Equipment: The high accuracy and stability of the AD8007ARZ-R7 make it a good fit for test and measurement applications.
Q & A
- What is the bandwidth of the AD8007ARZ-R7?
The bandwidth of the AD8007ARZ-R7 is up to 650 MHz.
- What is the typical quiescent current of the AD8007ARZ-R7?
The typical quiescent current is 9 mA per amplifier.
- What is the supply voltage range for the AD8007ARZ-R7?
The supply voltage range is from 5 V to 12 V.
- What is the slew rate of the AD8007ARZ-R7?
The slew rate is 900 to 1000 V/μs.
- What are the typical second and third harmonic distortion figures for the AD8007ARZ-R7?
The second harmonic distortion is typically −83 dBc at 20 MHz, and the third harmonic distortion is typically −92 dBc at 20 MHz.
- What is the power supply rejection ratio (PSRR) of the AD8007ARZ-R7?
The PSRR is 59 to 65 dB.
- What is the maximum short-circuit current for the AD8007ARZ-R7?
The maximum short-circuit current is 130 mA for the source and 90 mA for the sink.
- Can the AD8007ARZ-R7 drive capacitive loads?
Yes, it can drive capacitive loads with 30% overshoot up to 8 pF.
- What are the absolute maximum ratings for the supply voltage and storage temperature?
The absolute maximum supply voltage is 12.6 V, and the storage temperature range is −65°C to +125°C.
- In what package types is the AD8007ARZ-R7 available?
The AD8007ARZ-R7 is available in 8-Lead SOIC (R) and 8-Lead MSOP (RM) packages).
