OPA4353EA/2K5

Voltage - Input Offset:	3mV
Base Part Number:	OPA4353
Supplier Device Package:	16-SSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	2.5 V ~ 5.5 V, ±1.25 V ~ 2.75 V
Current - Output / Channel:	40mA
Current - Supply:	5.2mA
Series:	MicroAmplifier™
Current - Input Bias:	0.5pA
Gain Bandwidth Product:	44MHz
Slew Rate:	22 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	4
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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OPA4353EA/2K5 is a high frequency, wide-band operational amplifier (OP) designed for use in applications where superior linearity, low noise and wide bandwidth are essential. It is optimized for a wide range of applications such as automotive, radio communication, security, audio, imaging and medical systems. This device is manufactured using the state of the art CMOS process technology and is available in two supply voltage options (2.2V and 3.3V).The OPA4353EA/2K5 offers wide bandwidth (2MHz) with high gain (90dB) and a low noise voltage of 5.4pV/√Hz. It also provides superior linearity performance and a low input referred noise of 0.9nV/√Hz. The device also offers excellent distortion performance with THD+N of 0.02% and a wide dynamic range of 102dB.The OPA4353EA/2K5 is a versatile, general-purpose and single-supply low-voltages amplifier. In addition to these features, the device allows the user to select multiple gain configurations, thereby eliminating external resistors while reducing the need for circuit board layout engineering.The OPA4353EA/2K5 is suitable for instrumentation and high speed data acquisition applications such as audio, speech, radar, security systems, and medical applications. Its high power supply rejection ratio (PSRR) and ultra low quiescent current make it ideal for line-powered applications such as automotive and battery-powered applications. Moreover, its wide bandwidth makes it suitable for video applications.The OPA4353EA/2K5 is designed for single-supply operation and can be operated from a single-supply voltage ranging from 2.2V to 3.3V. This allows the device to provide superior mid-range performance in a wide range of supply voltages. The device offers an operational voltage range of 200mV to VDD ± 1V.Working PrincipleThe OPA4353EA/2K5 works on the principle of amplifying an input signal by increasing the voltage, current, or power output with respect to the input signal. The device provides a gain of 1+(1/G). The gain G of the amplifier is determined by the external resistor value. When the resistor value is increased, the gain of the amplifier decreases, and when the resistor value is decreased, the gain of the amplifier increases.The device has two main blocks-the input stage and the output stage. The input stage consists of an input voltage applied or generated across the inputs of the amplifier. The output stage consists of the output voltage generated, which is an amplified version of the input signal. The output stage also includes other components such as the feedback network, output drivers, and protection circuitry.The OPA4353EA/2K5 utilizes the concept of differential amplification in order to minimize distortion and noise levels, while providing excellent amplifier performance. A differential amplifier is essentially two amplifiers driving the same load, or device, in opposite directions. This essentially cancels out signal components that are common to both signals and results in enhanced linearity and increased signal-to-noise ratio (SNR).The OPA4353EA/2K5 offers excellent power efficiency due to its low quiescent current and low power consumption. This allows for longer battery run times, which is especially beneficial for mobile applications. Furthermore, the device is short-circuit protected, which allows for greater reliability from the device.

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