PAM8620 Datasheet, PDF (2/15 Pages) Power Analog Micoelectronics – 15W Stereo Class-D Audio Power Amplifier with Power Limit

Block Diagram
PAM8620
15W Stereo Class-D Audio Power Amplifier with Power Limit
RINN
RINP
Rf
Ri
-+
+-
Ri
Rf
PL
VCLAMP
AVDD
SD
V2P5
MUTE
LINN
LINP
Power Limit
Reference
LDO
LDO
Biases &
References
Rf
Ri
-+
+-
Ri
Rf
_
+
_
+
Modulation/
Power
Limit
Driver
Driver
Feedback
System
(x6)
UVLO
on/off
Depop
Thermal
Short Circuit
Protection
_
+
_
+
Modulation/
Power
Limit
Driver
Driver
Feedback
System
(x6)
Note:
Maximum Gain: Ri=12.5k, Rf=100k;
Power Limit Function: Ri and Rf are adjustable.
BSRN
PVCCR
ROUTN
PGNDR
BSRP
PVCCR
ROUTP
PGNDR
AVCC
AGND
BSLN
PVCCL
LOUTN
PGNDL
BSLP
PVCCL
LOUTP
PGNDL
Power Analog Microelectronics,Inc
www.poweranalog.com
2
10/2012 Rev1.0