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TPA2038D1 Datasheet(PDF) 4 Page - Texas Instruments |
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TPA2038D1 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 22 page Input Buffer SC 300 K EN Gain Select GAIN A2 SD TPA2038D1 SLOS697 – AUGUST 2011 www.ti.com OPERATING CHARACTERISTICS (continued) PVDD = VDD = 3.6 V, AV = 6 dB, TA = 25°C, RL = 8 Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CMRR Common mode rejection ratio AV = 6 dB, VIC = 200 mVPP, f = 217 Hz 79 dB AV = 12 dB, VIC = 200 mVPP, f = 217 Hz 77 TSU Startup time from shutdown 4 ms VO+ shorted to VDD VO– shorted to VDD ISC Short circuit protection threshold VO+ shorted to GND 2 A VO– shorted to GND VO+ shorted to VO– TAR Overcurrent recovery time VDD = 2.5 V to 5.5 V 100 ms Terminal Functions TERMINAL I/O DESCRIPTION NAME WCSP BALL IN+ A1 I Positive audio input. GAIN A2 I Gain select. Set to GND for 12 dB; set to VDD for 6 dB. VO- A3 O Negative audio output. VDD B1 I Power supply terminal. Connect to PVDD using a direct connection. PVDD B2 I Class-D output power supply. Connect to VDD using a direct connection. GND B3 I Ground. IN – C1 I Negative audio input. EN C2 I Enable. Set to logic high to enable device. VO+ C3 O Positive audio output. FUNCTIONAL BLOCK DIAGRAM 4 Copyright © 2011, Texas Instruments Incorporated |
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