THS4225DRG4

Current - Input Bias:	900nA
Base Part Number:	THS4225
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 (±):	2.7 V ~ 15 V, ±1.35 V ~ 7.5 V
Current - Supply:	14mA
Voltage - Input Offset:	3mV
Series:	--
-3db Bandwidth:	230MHz
Gain Bandwidth Product:	120MHz
Slew Rate:	990 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	1
Amplifier Type:	Voltage Feedback
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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THS4225 DRG4 Application Field and Working PrincipleThe THS4225DRG4 is a low power audio amplifier which is designed for use in a variety of applications. It has a high gain and low noise figure, making it ideal for use in audio-design applications, as well as medical and instrumentation equipment. The device is capable of delivering an output of up to 6V-peak-to-peak into an 8-ohm load.The THS4225DRG4 is a fully differential amplifier which can be used as a single-ended or a differential amplifier. When configured as a single-ended amplifier, the device has a gain of 20 dB. When used as a differential amplifier, the gain is reduced to 10 dB. The device also has a high signal-to-noise ratio of 95 dB, making it well suited for use in audio-design applications.The device is based on a topology called "dual-rail-gate" or DRG4. The DRG4 amplifier architecture uses two transistors to provide the differential input-to-output gain. The transistors are configured in a cascode configuration and are powered by two separate power lines. This topology helps to minimize distortions, crosstalk and noise compared to traditional single-ended amplifiers. It also helps to reduce the power consumption of the device.The THS4225DRG4 has a wide range of applications including professional audio applications, instrumentation equipment, medical systems, automotive audio systems, and communications systems. It can be used in combination with analog-to-digital converters, digital-to-analog converters, and other audio components to provide high-quality audio power signals.The THS4225DRG4 is a versatile and low-cost amplifier which makes it ideal for a variety of applications. The device is also very reliable and has a very wide operating temperature range, making it suitable for use in harsh environments.In conclusion, the THS4225DRG4 is a low power audio amplifier with a high gain and low noise figure. It has a wide range of applications and can be used in combination with analog-to-digital and digital-to-analog converters and other audio components to provide high-quality audio power signals. The device is based on a dual rail-gate amplifier architecture which helps to minimize crosstalk and distortion. The device also has a wide operating temperature range and a high signal-to-noise ratio, making it well suited for use in audio-design applications and other demanding audio applications.

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