EUA6019
Pin Configurations
Package Type
Pin Configurations(Top View)
TSSOP-24
Pin Description
PIN
PIN I/O
DESCRIPTION
PGND
LOUT-
PVDD
1,13
-
O
-
I
I
Power ground
12
Left channel negative audio output
Supply voltage terminal for power stage
3,11
LHPIN
10
9
Left channel headphone input, selected when
is held high
HP/LINE
is held low
LLINEIN
Left channel line input, selected when
HP/LINE
Common left channel input for fully differential input. AC ground for single-ended
LIN
VDD
8
7
6
5
I
-
I
I
inputs.
Supply voltage terminal
Common right channel input for fully differential input. AC ground for single-ended
RIN
inputs.
RLINEIN
Right channel line input, selected when
is held low
HP/LINE
RHPIN
ROUT-
ROUT+
4
2
24
I
O
O
Right channel headphone input, selected when
Right channel negative audio output
Right channel positive audio output
is held high
HP/LINE
SHUTDOWN
15
I
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 placed on this terminal
16
BYPASS
AGND
SEMAX
17
18
19
I
-
I
Tap to voltage divider for internal midsupply bias generator used for analog reference
Analog power supply ground
Sets the maximum volume for single ended operation. DC voltage range is 0 to VDD.
Sets the difference between BTL volume and SE volume. DC voltage range is 0 to
VDD.
SEDIFF
VOLUME
HP/LINE
20
21
22
I
I
I
Terminal for dc volume control. DC voltage range is 0 to VDD.
Input MUX control. When logic high, RHPIN and LHPIN inputs are selected .When
logic low, RLINEIN and LLINEIN inputs are selected.
Output MUX control. When this terminal is high, SE outputs are selected. When this
terminal is low, BTL outputs are selected.
23
14
I
SE/BTL
LOUT+
O
Left channel positive audio output.
DS6019 Ver 1.1 May. 2007
4
EUTECH [ EUTECH MICROELECTRONICS INC ]
