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TPA6139A2RGTT Datasheet(PDF) 6 Page - Texas Instruments |
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TPA6139A2RGTT Datasheet(HTML) 6 Page - Texas Instruments |
6 / 28 page 6 TPA6139A2 SLOS700C – JANUARY 2011 – REVISED APRIL 2016 www.ti.com Product Folder Links: TPA6139A2 Submit Documentation Feedback Copyright © 2011–2016, Texas Instruments Incorporated (1) If pin 12, GAIN, is left floating an internal pullup sets the gain to –2x. Gain setting is latched during power up. 7.6 Programmable Gain Settings VDD = 3.3 V, Rload = 32 kΩ, TA = 25°C, Charge pump:= CCP 1 µF, CIN = 1 µF, 1x gain select (unless otherwise noted) (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT R_Tol Gain programming resistor tolerance 2% ΔAV Gain matching Between left and right channels 0.25 dB Gain step tolerance 0.1 dB Gain steps Gain resistor 2% tolerance 249k or higher –2 V/V 82k0 –1 49k2 –1.5 35k1 –2.3 27k3 –2.5 20k5 –3 15k4 –3.5 11k5 –4 9k09 –5 7k50 –5.6 6k19 –6.4 5k11 –8.3 3k90 –10 Input impedance Gain resistor 2% tolerance 249k or higher 37 k Ω 82k0 55 49k2 44 35k1 33 27k3 31 20k5 28 15k4 24 11k5 22 9k09 18 7k50 17 6k19 15 5k11 12 3k90 10 |
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