AD711KRZ-REEL

Voltage - Input Offset:	200µV
Base Part Number:	AD711
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply, Single/Dual (±):	9 V ~ 36 V, ±4.5 V ~ 18 V
Current - Output / Channel:	25mA
Current - Supply:	2.5mA
Series:	--
Current - Input Bias:	15pA
-3db Bandwidth:	4MHz
Slew Rate:	20 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	J-FET
Part Status:	Active
Packaging:	Tape & Reel (TR)

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AD711KRZ-REEL

Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

The AD711KRZ-REEL is an Operational Amplifier (op amp) from Analog Devices, Inc., with a SOIC-8 package. It is a special high-voltage current feedback (IF) op amp with a wide operating range of 4.5V to 24V, making it suitable for applications such as driving high-impedanceloads. This device has a high gain-bandwidth product of 130 MHz at 3V and a low signal-to-noise ratio of 74 dB. It also features excellent current transfer ratio (CTR) performance with a maximum value of 1.25MΩ + 2pF. The AD711KRZ-REEL operates over a extended temperature range of -40°C to +125°C, making it ideal for use in extreme environmental conditions. This device also offers a shutdown capability to allow the power usage to be reduced to minimal levels when no signal is present. It also has short-circuit protection to protect against any damages caused by an output short circuit. The AD711KRZ-REEL is designed for high-precision instrumentation and control loop applications, such as driving high-impedance piezoelectric transducers and piezoresistive transducers. It is also applicable for amplifiers for general purpose and low-voltage motor control applications. Working PrincipleThe AD711KRZ-REEL works on current feedback principle and the most important part of its circuit is the transconductance amplifier. The amplifier has two inputs; one for the voltage signal, and one for the current feedback signal. The input voltage signal is converted to a current signal and then amplified by the transconductance amplifier. The voltage signal is inverted and then amplified by the difference amplifier. The gain of the amplifier is then determined by the gain of the difference amplifier, the transconductance amplifier, and the current transfer ratio (CTR). The transconductance amplifier measures the current of the incoming signal and the output is a voltage that is proportional to the current. The inverting input of the difference amplifier is coupled with the output of the transconductance amplifier, while the non-inverting input is part of the feedback loop. The current feedback signal is a voltage signal that is proportional to the output current of the amplifier. The gain of the amplifier is then determined by the transconductance amplifier, the CTR and the difference between the two input signals. The AD711KRZ-REEL features two distinct gain settings which provide two different frequency responses. The high frequency response provides a maximum gain of 130MHz, while the low frequency response provides a gain of 0.6dB per octave. The output of the amplifier is then further conditioned by a frequency-dependent filter, depending on the application. The AD711KRZ-REEL features a low signal-to-noise ratio (SNR) of only 74 dB, making it ideal for signal processing applications which require low noise figures, such as instrumentation and control loop operations. The device also provides an offset compensation feature, which helps reduce input offset voltage errors. In summary, the AD711KRZ-REEL is an excellent high-precision Operational Amplifier (Op Amp) with a wide operating range of 4.5V to 24V and a high gain-bandwidth product of 130 MHz at 3V. It is suitable for a variety of applications such as driving of high-impedance loads, high-precision instrumentation, and control loop operations. Furthermore, it features excellent current transfer ratio (CTR), shutdown capability, short-circuit protection, low signal-to-noise ratio (SNR) and input offset compensation.

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