IRAUDAMP3 Datasheet, PDF (4/40 Pages) International Rectifier – 120W x 6 Channel Class D Audio Power Amplifier using IRS20124S and IRF6645

Connection Diagram
35V, 10A DC supply 35V, 10A DC supply
250W, Non-inductive
4Ω
4Ω
250W, Non-inductive
4Ω
4Ω
4Ω
4Ω
LED ORANGE
J10
LED GREEN
S1
CH3
Output
TP1
J21
J11
J5
G
J6
J15
CH4 CH1
J4
CH2
CH5
Output Output
Output ^Output
TP2
TP1 TP2
TP1
J16
CH6
Output
TP2
LED
LED
Volume
J9
CH3
Input
J8
J3
CH4 CH1
Input Input
LED
J2
J14
CH2 CH5
Input Input
J13
CH6
Input
R180
S4
J17
S3
Audio Signal Generator
Typical Test Setup
Pin Description
CH-1 IN
CH-2 IN
CH-3 IN
CH-4 IN
CH-5 IN
CH-6 IN
POWER
CH-1 OUT
CH-2 OUT
CH-3 OUT
CH-4 OUT
CH-5 OUT
CH-6 OUT
EXT CLK
DCP OUT
J3 Analog Input for CH-1
J2 Analog Input for CH-2
J9 Analog Input for CH-3
J8 Analog Input for CH-4
J14 Analog Input for CH-5
J13 Analog Input for CH-6
J4 Positive and Negative Supply (+B / -B)
J5 Output for CH-1
J6 Output for CH-2
J10 Output for CH-3
J11 Output for CH-4
J15 Output for CH-5
J16 Output for CH-6
J17 External Clock Sync
J21 DC Protection Relay output
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