Texas Instruments TAS3251, Руководство пользователя

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Quick Start (BTL Mode)
5 SLAU757 – January 2018
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TAS3251 Evaluation Module
ADVANCE INFORMATION
Table 1. Jumper and Switch Configurations (USB BTL Mode) (continued)
Jumper Description Configuration for BTL
J5 LRCLK 1-2
J7 SDIN 1-2
J37 I2S source select Install
J31 PBTL INC Remove
J32 PBTL IND Remove
J14 MODE Install
J19 ADR Install
J22 PWM switching frequency 3-4
J35 SLAVE ENABLE Remove
J11 JTAG power Do not care
J26 PVDD Install
J29 3.3V Install
J27 12V Install
J20 GVDD Install
J8 5-V select 1-2
S1 DAC MUTE MUTE
S3 AMP RESET RESET
1.3 Power Up
Ensure that the required connections and configurations have been checked. The TAS3251EVM board
can now be powered on.
1. Enable the power supply at 15 V to 36 V and ensure that D13 and D14 illuminates. LEDs D9 and D10
should not be illuminated.
2. Bring the DAC out of MUTE by switching DAC MUTE (S1) to NORMAL.
3. Bring the Power Stage out of RESET by switching AMP RESET (S3) to the high position. You should
see the FAULT LED (D10) blink once quickly, then remain unilluminated.