PAM8615 Datasheet, PDF (1/13 Pages) Power Analog Micoelectronics – 16W/32W Stereo Class-D Audio Power Amplifier

PAM8615
16W/32W Stereo Class-D Audio Power Amplifier
Key Features
n 32W/ch into 8ohm BTL Load from 24V
supply (Thermal limited)
n 16W/ch into 4ohm SE Load from 24V
supply (Thermal limited)
n Operates from 8V to 30V
n Supports Multiple Output Configurations:
n 2-Ch Single-ended (half-bridge)(16WX2)
n 1-Ch Bridge-tied load (full-bridge) (
32WX1)
n High efficiency, above 90%.
n 64- setp DC Volume Control from - 40dB
to 36dB
n Singel-Ended Analog Inputs
n Thermal and Short- Circuit Protection
n Flexible Frequency Adjustable by external
component
n Clock Output for Synchronization With
Multiple Class-D Devices
n No pop noise for Start- up and Shut- down
Sequences
n Space-Saving Surface-Mount 24-Pin
TSSOP Package
n Pb-Free Package
Applications
n Televisions
n Home sound systems
General Description
The PAM8615 is a 16W/ 32W ( per channel)
efficient, Class-D audio power amplifier for
driving stereo speakers in a single-ended
configuration or mono bridge-tied speaker. The
PAM8615 can drive single-ended speakers as
low as 4Ω . Due to the low power dissipation
and high efficiency the device can be used
without any external heat sink when playing
music.
Stereo speaker volume is controlled with a dc
voltage applied to the volume control terminal
offering a range of gain from - 40 dB to 36 dB.
The PAM8615 is available in a TSSOP-24
package.
Typical Application
VC C
SHD N
ON
INA
INB
V olu me
VC C
470u F 10uF 0.1u F
1
OU T_ A
24
OU T_ A
ON
MU TE
1 uF
Ri
2 _{PVC C_ A}
3
SH D N
4 _{MU TE}
5
IN _A
PGND _ A ^{2 3}
22
BS T_ A
AVC C ^{2 1}
20
AVD D
1 uF
Ri
6 _{D GND}
R OSC ^{1 9}
7
PAM86 15
18
IN _B
AGN D
1u F
8 _{VC M}
SY N C ^{1 7}
9
DCV
16
VC LAMP
1 0 _{MS_S V}
BS T_ B ^{1 5}
11
PVC C_ B
14
PGND _ B
1 2 _{OU T_ B}
OU T_ B ^{1 3}
470u F 10uF 0.1u F
0.22 uF
1 uF
1 00k
1 uF
0.22 uF
22 uH
21
2
1 00 0uF
VC C
0 .68 uF
0 .1u F 1 0u F
22 uH
21
2
0 .68 uF
1 00 0uF
Single-ended Configuration
Power Analog Microelectronics, Inc
www.poweranalog.com
1
02/2012 Rev1.1