PA6021-D20-T UTC [Unisonic Technologies], PA6021-D20-T Datasheet - Page 2

• Manufacturer Part Number: PA6021-D20-T
• Description: 2-W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
• Manufacturer: UTC [Unisonic Technologies]

PA6021
PIN #
1,11
3,9
PIN CONFIGURATION
PIN DESCRIPTION
16
15
17
10
12
13
20
19
14
18
7
8
5
4
2
6
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
SHUTDOW
PIN NAME
VOLUME
BYPASS
SE/ BTL
AGND
PGND
FADE
R
L
PV
R
L
R
L
R
V
L
NC
OUT+
OUT
OUT+
OUT
IN+
IN-
IN+
DD
IN-
DD
-
-
I/O
O
O
O
O
I
I
I
I
I
I
I
I
I
PGND
R
PV
PV
L
R
LI
OUT-
R
V
OUT-
L
Tap to voltage divider for internal midsupply bias generator used for
analog reference
Places the amplifier in fade mode if a logic low is placed on this terminal;
normal operation if logic high is placed on this terminal.
Analog power supply ground
Left channel negative input for fully differential input.
Left channel positive input for fully differential input.
Left channel negative audio output
Left channel positive audio output.
No connection
Power ground
Supply voltage terminal for power stage
Right channel negative input for fully differential input.
Right channel positive input for fully differential input.
Right channel negative audio output
Right channel positive audio output
Output control. When this terminal is high, SE outputs are selected. When
this terminal is low, BTL outputs are selected.
Places the amplifier in shutdown mode if a TTL logic low is placed on this
terminal
Supply voltage terminal
Terminal for dc volume control. DC voltage range is 0 to V
IN+
DD
IN-
DD
IN-
DD
N+
10
6
1
2
3
4
5
7
8
9
19
18
17
16
15
14
13
12
11
20
DESCRIPTION
R
SE/BTL
VOLUME
BYPASS
FADE
NC
L
PGND
AGND
SHUTDOWN
OUT+
OUT+
DD
.
CMOS IC
QW-R502-257.A
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