EL5221CY-T7

Current - Input Bias:	2nA
Base Part Number:	EL5221
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	4.5 V ~ 16.5 V, ±2.25 V ~ 8.25 V
Current - Supply:	500µA
Voltage - Input Offset:	2mV
Series:	--
-3db Bandwidth:	12MHz
Slew Rate:	10 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	2
Amplifier Type:	Buffer
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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EL5221CY-T7 Application Field and Working Principle

The EL5221CY-T7 is an instrumentation operational amplifier typically used for precision, gain and offset adjustment, and high accuracy applications. It operates on both single and dual supply. It is known for its high accuracy, low power and wide operating range within a single package.

Application Field

The EL5221CY-T7 is mainly used in the instrumentation industry where accuracy and precision are critical. For example, it can be used in temperature measurements, pressure measurements and some other engineering fields. It is also used in data converter networks and systems such as A/D or D/A converters. Additionally, it is used in precision circuit designs related to audio processing, high-end audio amplifiers and power supplies.

Working Principle

The EL5221CY-T7 is a low-power (1.3mW) and high-speed dual-channel amplifier with a very low input offset voltage of 0.9mV (max). It is composed of two independent high-precision amplifiers formed by using the popular “current mirror” technique, which results in precise operation over a wide range of input signals. The current mirror consists of two matched MOSFETs for each amplifier connected in the same configuration. The device has an input common mode range of 0V to 3V, a bandwidth of 5MHz, and a slew rate of 360V/μs, making it suitable for DC and AC signals. The EL5221CY-T7 also has an Enable/Disable pin, which allows the user to easily turn the amplifier on or off, a shutdown current of 0.14µA, and a total harmonic distortion of 0.0003%. In addition to its impressively low power consumption, the EL5221CY-T7 also provides excellent linearity, low noise and high PSRR (power supply rejection ratio). The PSRR is a measure of how well a device is able to reject unwanted signals from its power supply. With a PSRR of 41dB at 10kHz, the EL5221CY-T7 is able to provide clean power to connected components.

Conclusion

The EL5221CY-T7 is a high-performance, multipurpose operational amplifier suitable for a variety of precision and instrumentation applications. It offers low power, low input offset and superb linearity over a wide range of input signals. It also has an enable/disable pin for easy on/off control and an impressive power supply rejection ratio. The EL5221CY-T7 is ideal for applications requiring high accuracy, low power and wide operating range.

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