TLV8801DBVR

Current - Input Bias:	0.1pA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	1.7 V ~ 5.5 V
Current - Output / Channel:	4.7mA
Current - Supply:	450nA
Voltage - Input Offset:	550µV
Series:	--
Gain Bandwidth Product:	6kHz
Slew Rate:	0.0015 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	1
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TLV8801DBVR Application Field and Working Principle

TLV8801DBVR is one of the common linear amplifier products from Texas Instruments, which is widely used in instrumentation and signal conditioning applications. It is a buffered rail-to-rail operation amplifier (OP amp) with ultra low input bias current and low offset voltage characteristics.

Introduction

The TLV8801DBVR is a high performance buffered single rail-to-rail operation amplifier with low offset voltage, low drift, low input bias current, and rail-to-rail output swing. In addition to its low operating voltage, it has low quiescent current helping to maximize battery life with stable operation. It allows up to 8 V rail-to-rail output range that gives designers enough headroom to make connections and design input signal ranges. The slew rate is also quite fast, making this amplifier suitable for high speed signal conditioning applications such as data logging, filtering and audio.

Applications

The TLV8801DBVR is mainly used in instrumentation and signal conditioning applications such as audio pre-amplification, filtering, data logging, and audio monitoring. It is also used in medical devices, such as heart and blood pressure monitors. In addition, the amplifier can be used for precision measurements and feedback control, for instance, when measuring temperature and pressure.

Working Principle

The TLV8801DBVR is an operational amplifier (OP amp). It is a type of linear amplifier that performs mathematical operations based on its input signals. The amplifier works by taking an input from the inverting input terminal (IN-) and outputting a proportional output from its non-inverting terminal (OUT+). The gain of the amplifier is determined by the negative feedback loop created between the two terminals. A resistor is used to connect the output voltage to the inverting input, thus creating the negative feedback loop. This negative feedback resistor determines the gain of the amplifier. The output voltage of the amplifier is calculated using the equation Vout = AVin, where A is the gain, which is determined by the negative feedback loop.

Conclusion

The TLV8801DBVR is an important linear amplifier used in instrumentation and signal conditioning applications. This high performance buffered single rail-to-rail operation amplifier has low offset voltage, low drift, low input bias current, and rail-to-rail output swing, and it is suitable for a wide range of applications. Its working principle is based on the negative feedback loop created between the inverting and non-inverting terminals, from which the gain of the amplifier is determined.

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