Datasheet

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24
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PGND
ROUT-
PV
DD
RHPIN
RLINEIN
RIN
V
DD
LIN
LLINEIN
LHPIN
PV
DD
LOUT-
ROUT+
SE/BTL
HP/LINE
VOLUME
SEDIFF
SEMAX
AGND
BYPASS
FADE
SHUTDOWN
LOUT+
PGND
PWP PACKAGE
(TOP VIEW)
TPA6011A4
SLOS392A – FEBRUARY 2002 – REVISED JULY 2004
Terminal Functions
TERMINAL
I/O DESCRIPTION
NAME NO.
PGND 1, 13 - Power ground
LOUT- 12 O Left channel negative audio output
PV
DD
3, 11 - Supply voltage terminal for power stage
LHPIN 10 I Left channel headphone input, selected when HP/ LINE is held high
LLINEIN 9 I Left channel line input, selected when HP/ LINE is held low
LIN 8 I Common left channel input for fully differential input. AC ground for single-ended inputs.
V
DD
7 - Supply voltage terminal
RIN 6 I Common right channel input for fully differential input. AC ground for single-ended inputs.
RLINEIN 5 I Right channel line input, selected when HP/ LINE is held low
RHPIN 4 I Right channel headphone input, selected when HP/ LINE is held high
ROUT- 2 O Right channel negative audio output
ROUT+ 24 O Right channel positive audio output
SHUTDOWN 15 I Places the amplifier in shutdown mode if a TTL logic low is placed on this terminal
Places the amplifier in fade mode if a logic low is placed on this terminal; normal operation if a logic high is
FADE 16 I
placed on this terminal
BYPASS 17 I Tap to voltage divider for internal midsupply bias generator used for analog reference
AGND 18 - Analog power supply ground
SEMAX 19 I Sets the maximum volume for single ended operation. DC voltage range is 0 to V
DD
.
SEDIFF 20 I Sets the difference between BTL volume and SE volume. DC voltage range is 0 to V
DD
.
VOLUME 21 I Terminal for dc volume control. DC voltage range is 0 to V
DD
.
Input MUX control. When logic high, RHPIN and LHPIN inputs are selected. When logic low, RLINEIN and
HP/ LINE 22 I
LLINEIN inputs are selected.
Output MUX control. When this terminal is high, SE outputs are selected. When this terminal is low, BTL
SE/ BTL 23 I
outputs are selected.
LOUT+ 14 O Left channel positive audio output.
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