Diodes PAM8124 User Manual

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PAM8124
Document number: DS36627 Rev. 1 - 2
1 of 15
www.diodes.com
October 2013
© Diodes Incorporated
PAM8124
NEW PRODUCT
A
Product Line o
f
Diodes Incorporated
HIGH POWER AUDIO
Description
The PAM8124 is a 15W efficient, Class-D audio power amplifier for
driving stereo speakers in a single-ended configuration; or a mono
speaker in a bridge-tied-load configuration. The PAM8124 can drive
stereo speakers (SE) as low as 4. Due to the low power dissipation
and high efficiency, up to 95%, the device can be used without any
external heat sink when playing music.
The gain of the amplifier is controlled by 2 gain selectable pins,
offering 20dB, 26dB, 32dB, and 36dB gain selections.
The PAM8124 is available in a TSSOP-24-EP package.
Features
30W/Ch into 8 BTL Load from 22V Supply
15W/Ch into 4 SE Load from 22V Supply
10W/Ch into 8 SE Load from 24V Supply
Operate from 10V to 26V
Single-Ended Analog Inputs
Supports Multiple Output Configurations:
2-Ch Single-Ended (SE, Half-Bridge)
1-Ch Bridge-Tied Load (BTL, Full-Bridge)
Four Selectable Fixed-gain Settings
No Pop Noise for Start-up and Shut-down Sequences
Internal Oscillator (No External Components Required)
High Efficient Class-D Operation Eliminates Need for Heat Sinks
Thermal and Short-Circuit Protection with Auto Recovery
Space-Saving Surface-Mount TSSOP-24EP Package
Pb-Free Package
Pin Assignments
TSSOP-24-EP
PVCCL
SDN
PVCCL
MUTE
LIN
VCM
AGND
AGND
PVCCR
VCLAMP
PVCCR PGNDR
PGNDR
ROUT
BSR
GAIN1
GAIN0
AVCC
BSL
LOUT
PGNDL
PGNDL
PAM8124
XXXYWWLL
17
1
2
3
4
5
6
7
8
9
10
11
12 13
14
15
16
18
19
20
21
22
23
24
RIN
SE_BTL
Applications
Televisions
Home Sound Systems
Active Speakers
Typical Applications Circuit
P VCCL
1
SDN
2
P VCCL
3
MUTE
4
LIN
5
RI N
6
VC M
7
AGND
8
AGND
9
P VCCR
10
VC L A M P
11
P VCCR
12
PGNDR
13
PGNDR
14
ROU T
15
BSR
16
GAIN1
17
GAIN0
18
SE_BTL
19
AVCC
20
BSL
21
LOUT
22
PGNDL
23
PGNDL
24
U1
SD
Mute
C1
1uF
C3
1uF
C5
220nF
L1
33uH
G0
C2 1uF
G1
R1
4.7K
C7
470uF
L_out1
8ohm
C6
220nF
L2
33uH
C4 1uF
R2
4.7K
C8
470uF
R_out1
8ohm
L_in
R_i n
PAM8124
10V_to_26V
10V_to_26V
SE_BTL
10V_to_26V
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Summary of Contents

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Page 2 - Diodes Incorporated

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Page 7 - Two Channels Driving

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Page 10 - NEW PRODUCT

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