EL8401IUZ-T13

Current - Input Bias:	1.6µA
Base Part Number:	EL8401
Supplier Device Package:	16-QSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	3 V ~ 5 V, ±1.5 V ~ 2.5 V
Current - Output / Channel:	65mA
Current - Supply:	2mA
Voltage - Input Offset:	800µV
Series:	--
-3db Bandwidth:	200MHz
Gain Bandwidth Product:	100MHz
Slew Rate:	200 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	4
Amplifier Type:	Voltage Feedback
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The EL8401IUZ-T13 is an instrumentation, operational amplifier, buffered amplifier designed to meet a variety of needs in linear electronics systems. This versatile device is capable of a wide range of applications, including transimpedance amplifiers, signal conditioning, and SAMPLE & HOLD amplifiers. It features low noise levels, low input offset voltage, wide bandwidth, fast settling time and precise calibration.

Application field

The EL8401IUZ-T13 is a versatile linear amplifier suitable for many applications. It provides low noise levels and high common-mode rejection ratio for high-accuracy signal conditioning. It is ideal for transimpedance amplifiers thanks to its wide gain bandwidth, low input offset voltage, and fast settling time. The amplifier is also suitable for electrometer applications as its low noise and excellent drift characteristics allow for precise measurements to be made. In addition, the EL8401IUZ-T13 can be used in Sigma-Delta Modulator, SAMPLE & HOLD, and Voltage-to-Frequency Converter (VFC) applications. It is also suitable for strain gage, temperature transducer and feed-forward applications. The use of low-cost components and coupled with low power consumption and a wide range of operating temperatures, makes the device ideal for cost-sensitive applications.

Working principle

The EL8401IUZ-T13 is composed of two stages, an input amplifier and a buffer amplifier. The input amplifier is composed of an matched pair of NFETs and MOSFETs and performs the pre-amplification function, which increases the signal to a level suitable for the subsequent amplification stages. The buffered amplifier is a unity-gain amplifier, which further amplifies the signal without introducing any noise or distortion, providing a high-amplitude output signal.The EL8401IUZ-T13 is engineered to provide a high-accuracy linear voltage gain with a low-offset voltage. The amplifier utilizes Auto-Zero technology to eliminate errors caused by input offset sources, such as offset voltage, drift and noise caused by temperature changes. Moreover, the device includes a fast settling time, enabling high-speed measurements with minimal errors.

Conclusion

The EL8401IUZ-T13 is a versatile instrumentation, operational amplifier, and buffered amplifier for linear electronics systems. It provides an excellent performance in terms of low noise levels, low offset voltage and wide bandwidth. The amplifier is suitable for a range of applications, from transimpedance amplifiers and signal conditioning, to numerous others. In addition, the device is engineered to provide fast settling times and precise calibration, allowing for accurate and reliable measurements.

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