HW2 – Due: Tuesday January 28th in the class Question 1: DRV13x (DRV134 is same

Question

HW2 – Due: Tuesday January 28th in the class Question 1:

DRV13x (DRV134 is same as DRV135 in a different package. DRV134 is in an 8-pin package and DRV135 is in a 16-pin package) is an Audio-Balanced Line Driver. The chip can be used as an amplifier to convert an input (single-ended) to two outputs (+Vo and –Vo). The outputs are related to the input as follow:

+Vo= Av. VIN /2

-Vo= -Av. VIN /2

?Vo= (+Vo) – (-Vo) = Av. VIN

The datasheet of the chip is available in HW2 folder. From the datasheet find:

1- Typical value of Av (in linear scale)

2- Typical input impedance (Zin or Rin)

3- Typical output impedance (Zout or Rout)

4- Maximum voltage for the power supplies (V+ and V-)

5- Typical bandwidth

6- If we use V+= 12 V and V-= -11 V for the power supplies, find the maximum voltage at the output.

Hint: use the information from typical output voltage swing. Max +Vo Min –Vo Max ?Vo

7- Two chips are connected together in a series combination. Using the diagram below find -Vo2 when Vs= 4.5 V. Sin(400 t)

Explanation / Answer

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