EE6326F08HW3

EE6326F08HW3 - EE 6326 - Analog Integrated Circuit Design...

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1 EE 6326 - Analog Integrated Circuit Design Homework: HW#3 Due Date: Oct. 4 th , 9:30am in Class 2. Reference Block for mixed-signal ICs. (100 points) (AV DD =3.3V and AV SS =0V, Temp. range=[-40C, 125C]) The goal of this homework is to generate a reference block for mixed signal ICs. Its functions include: VBG, Vref, Iref, current mirrors and thermal sensing (Soft-start circuits is needed for some blocks. If soft-start circuit is needed, please plot start-up procedure, current/voltage vs time curves) 1. Band-gap and voltage references : i. VBG~1.2 V+/-3% ii. Vout1 ~ 1.4 V+/-3% iii. Vout2 ~ 0.9 V+/-3% iv. T.C. < 100ppm/C v. PSRR > 35 dB at 1KHz 2. 300Κ for Vout varies from 1V to 2V. a. 1uA Constant current reference, Iref1 with T.C. < 100 ppm/C Then mirror the Iref1 to generate a-1) Current sources of 10uA+/-5% & 1uA+/-5%. a-2) Current sinks of 5uA+/-5% & 500nA+/-5%.
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EE6326F08HW3 - EE 6326 - Analog Integrated Circuit Design...

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