Texas Instruments TA5704EVM manual 3.7Switches, TAS5704 Output Configuration

www.ti.com 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 13

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