Differential Reference Buffer
A voltage buffer and differential reference technology, applied in instruments, adjusting electrical variables, and control/regulating systems, etc., can solve the problems of low setup speed, high power consumption of differential reference voltage buffers, and large chip area, and achieve functional The effect of reducing power consumption, reducing output equivalent impedance and improving energy efficiency
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[0024] The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.
[0025] Such as figure 1 As shown, a differential reference voltage buffer includes a current mirror 3 , a reference current generation part 4 , a control part 5 , a decoupling part 2 and a replica buffer output part 1 .
[0026] Wherein, the copy buffer output part 1 includes a first NMOS transistor M n1 , the second NMOS tube M n2 and the first PMOS transistor M p1 ; The decoupling part 2 includes a first capacitor C 1 , the second capacitance C 2 , the third capacitor C 3 and the fourth capacitor C 4 ; The control part 5 includes a first operational amplifier 51, a first resistor R 1 , the third NMOS tube M n3 , the fourth NMOS tube M n4 , the fifth NMOS tube M n5 , the sixth NMOS tube M n6 , the second PMOS tube M p2 and the third resistor R 3 ; The reference current generation part 4 includes a second operatio...
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