Datasheet

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TPA6130A2
SLOS488B NOVEMBER 2006 REVISED FEBRUARY 2008
Volume and Mute Register (Address: 2)
BIT 7 6 5 4 3 2 1 0
Function Mute_L Mute_R Volume[5] Volume[4] Volume[3] Volume[2] Volume[1] Volume[0]
Reset 1 1 0 0 0 0 0 0
Value
Mute_L Left channel mute. If this bit is High the left channel is muted.
Mute_R Right channel mute. If this bit is High the right channel is muted.
Volume[5:0] Six bits for volume control. 111111 indicates the highest gain and 000000 indicates the lowest
gain.
Output Impedance Register (Address: 3)
BIT 7 6 5 4 3 2 1 0
Function Reserved Reserved Reserved Reserved Reserved Reserved HiZ_L HiZ_R
Reset Value 0 0 0 0 0 0 0 0
Reserved These bits are reserved for future enhancements. They may not be written to. When read they will
read as zero. All writes to these bits will be ignored.
HiZ_L Puts left-channel amplifier output in tri-state high impedance mode.
HiZ_R Puts right-channel amplifier output in tri-state high impedance mode.
I
2
C address and Version Register (Address: 4)
BIT 7 6 5 4 3 2 1 0
Function Reserved Reserved RFT RFT Version[3] Version[2] Version[1] Version[0]
Reset Value 0 0 0 0 0 0 0 0
Reserved These bits are reserved for future enhancements. They may not be written to. When read they will
read as zero.
Version[3:0] The version bits track the revision of the silicon. Valid values are 0010 for released TPA6130A2.
RFT Reserved for Test. Do NOT write to these registers.
Reserved for test registers (Addresses: 5-8)
BIT 7 6 5 4 3 2 1 0
Function RFT RFT RFT RFT RFT RFT RFT RFT
Reset Value x x x x x x x x
RFT Reserved for Test. Do NOT write to these registers.
18 Copyright © 2006 2008, Texas Instruments Incorporated
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