Texas Instruments TA5704EVM manual Switches, TAS5704 Output Configuration

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Jumpers and Control Utilities

Jumper CFG2

Jumper CFG1

Shunt IN = 0

Shunt IN = 0

0

0

0

1

1

0

1

1

Table 6. TAS5704 Output Configuration

GAIN (dB)

2-Channel BTL Mode (AD Modulation). Connect speakers across OUTA/OUTB and OUTC/OUTD.

2-Channel BTL Mode (BD Modulation). Connect speakers across OUTA/OUTB and OUTC/OUTD.

2-Channel SE Mode AND 1-Channel BTL Mode (AD Modulation). Connect Left/Right speakers across OUTA/Center terminal (+ side of speaker connected to OUTA) and OUTB/Center terminal (+ side of speaker connected to Center terminal). Connect Subwoofer across OUTC/D. Remove jumpers JP3 – JP6.

4-Channel SE Mode (AD Modulation). Connect Speakers across OUTA/Center, OUTB/Center and OUTC/Center, OUTD/Center. OUTB and OUTD are inverted internally.connect “+” side of speaker to center terminal (GND) so that OUTB and OUTD will be in phase with OUTA and OUTC. Remove jumpers JP3 – JP6 and JP7 – JP10.

3.7Switches

RESET is an active low function. Pressing master reset switch (S2) resets TAS5704 and DIR9001. Releasing the switch will take the devices out of reset.

POWER DOWN function is an active low function. Pressing the power-down switch (S3) powers down TAS5704 (outputs remain switching at 50% duty cycle). Releasing the switch will take the device out of power down.

MUTE is an active low function. Pressing the mute switch (S4) mutes TAS5704. Releasing the switch will take the device out of mute.

SLOU224–April 2008

TA5704EVM 4-Channel Digital Audio Power Amplifier with Hardware Control

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Contents Users Guide Submit Documentation Feedback Contents List of Figures Read This First Additional Documentation Users Guide Channel SE + 1-Channel BTL Configuration TAS5704EVM FeaturesPSU Interface Basic Tools for Initial Board Power upRecommended Power Supplies PSC ConnectorDigital Audio Interface Spdif J1/OPTO ADC Interface Board Power up General GuidelinesClock Frequency Change Jumper SPDIF/PSIA Utilization JumpersGain Jumpers Config JumpersData Format Jumpers TAS5704 Output Configuration SwitchesTop Layer Composite TAS5704EVM Board Layout, Top Composite ViewTop Layer TAS5704EVM Board Layout, Top Layer ViewBottom Layer TAS5704EVM Board Layout, Bottom Layer ViewBill of Materials for TAS5704EVM Bill of MaterialsFerrites and Inductors NON-INSULATED Wire Ground Loops SchematicSpdif Receiver Analog to Digital Converter TAS5704 I/O Power Supplies Revision Changes Texas Instruments Disclaimer FCC Warning Evaluation BOARD/KIT Important NoticeImportant Notice