Texas Instruments TAS5727 Using The Fault PIN As An Error Indicator, Common Configurations

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3.5.1MODULATION SCHEMES

Using The FAULT PIN As An Error Indicator:

The A_SEL_FAULTZ pin is the I2C device address select by default. To re-define this pin as an output, write '1'to bit D1 of reg 0X05. Once re-programmed as output, this pin indicates a fault condition. Output will go low for Overcurrent (OC) or undervoltage (UVP) error or overtemperature error (OTE) or overvoltage error

Common Configurations:

1.2 × BTL BD Mode

2.2 × BTL AD Mode

Note:

AD: AD Modulation-Outputs are 180° out of phase

BD: BD Modulation BTL: Bridge-Tied Load

3.5.1.12 X BTL BD (BD mode)

1.Set up the hardware.

2.Select the Input MUX from GDE. In the Properties window, select BD Mode.

3.GDE: Target > Connect.

4.Finally uncheck the shutdown box to bring the device out of Shutdown mode, and adjust the Master Volume as desired.

3.5.1.22 X BTL AD (Default: AD mode)

1.Set up the hardware.

2.Select the Input MUX from GDE. In the Properties window, select AD Mode.

3.GDE: Target > Connect.

4.Finally uncheck the shutdown box to bring the device out of Shutdown mode, and adjust the Master Volume as desired.

12	TAS5727 25W Digital Input Amplifier—with EQ and 2-Band DRC	SLOU299 –December 2010
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