MC33171DG

Voltage - Input Offset:	2mV
Base Part Number:	MC33171
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	3 V ~ 44 V, ±1.5 V ~ 22 V
Current - Output / Channel:	27mA
Current - Supply:	220µA
Series:	--
Current - Input Bias:	20nA
Gain Bandwidth Product:	1.8MHz
Slew Rate:	2.1 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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A Linear-Amplifiers-Instrumentation, OP Amps, Buffer Amps application and its working principle pertains to the MC33171DG. The MC33171DG is a dual low noise, wideband IF amplifier circuit offering high performance to consumer electronics applications. Its combination of low noise, high linearity and wide bandwidth make it an ideal solution for a variety of consumer applications such as digital receivers, cellular phones and cable/satellite receivers.The MC33171DG utilizes a fully differential, high frequency, low noise amplifier with a unique configuration of operational amplifiers and FET transistors. This configuration delivers high linearity and wide bandwidth without compromising low noise performance. The amplifier consists of two independent amplifier stages; a low noise input stage and a high gain output stage.The low noise input stage utilizes a two-stage cascade of FETs to provide gain and input impedance matching. The high gain output stage incorporates two cascode FETs for maximum gain and low noise performance. The MC33171DG also uses a special band-pass filter to further reduce the noise and improve the overall noise figure.The MC33171DG also has several other features that make it ideal for different applications. These include a wide frequency response, low distortion, and low power consumption. The device also comes with an integrated power switch, and programmable gain control. Additionally, the integrated DC offset cancellation allows the MC33171DG to be used in a wide range of always-on, always-off, battery-operating and automotive applications.The MC33171DG can be used in both professional and consumer applications. Professional applications include broadcast TV receivers, cable/satellite receivers, and CATV receivers. Consumer applications include home radio receivers, portable radio receivers, and car radios.In terms of working principle, the MC33171DG is used to amplify electrical signals in a wide range of applications by using the integrated power switch and programmable gain control. It works by taking the input electrical signal and amplifying it in the two-stage cascade of FETs. The low noise input stage provides gain and input impedance matching. The high gain output stage incorporates two cascode FETs for maximum gain and low noise performance. The amplifier is designed to handle a wide dynamic range of audio signals, which is made possible by the integrated band-pass filter, DC offset canceller and dynamic compression control.The MC33171DG is an ideal solution for a variety of consumer applications such as digital receivers, cellular phones and cable/satellite receivers. The device provides superior performance and low power consumption, and its integrated power switch and gain control make it a versatile choice for professional and consumer applications. The unique configuration of FETs and operational amplifiers allows the device to deliver high linearity, wide bandwidth and low noise performance in a wide array of applications. The MC33171DG is a truly an ideal solution for a variety of low noise, wideband IF amplifier applications.

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