MP7720DS MPS [Monolithic Power Systems], MP7720DS Datasheet - Page 2

• Manufacturer Part Number: MP7720DS
• Description: 20W Stereo Class D Single Ended Audio Amplifier
• Manufacturer: MPS [Monolithic Power Systems]

EVALUATION BOARD SCHEMATIC
EV0030 Rev. 1.6
6/13/2005
IN1
IN2
CN102
CN100
CN101
VDD
GND
RCA
RCA
R2
NS
R1
NS
+
TM
VDD
EN
EN
VDD
VDD
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
C2
NS
C4
NS
VDD
LED1206
LED100
3.3nF
3.3nF
C11
C12
VDD
VDD
EV0030 – 20W STEREO CLASS D SINGLE ENDED AUDIO AMPLIFIER
1
2
3
4
1
2
3
4
PIN
NIN
AGND
EN
PIN
NIN
AGND
EN
MP7720
MP7720
SW100
C6
NS
C5
NS
U1
U2
22pF
22pF
C15
PGND
C16
PGND
FB1
FB2
VDD
VDD
SW
SW
BS
BS
© 2005 MPS. All Rights Reserved.
8
7
6
5
8
7
6
5
+
+
www.MonolithicPower.com
C9
390pF
C19
390pF
EXT_ENABLE
EN
TP1
D1
ZENER
6.2V
D3
ZENER
6.2V
D6
MBRS130LTR
D8
MBRS130LTR
EVALUATION BOARD
SP1:B
SP1:A
OUT1
LEFT-CHANNEL SPEAKER
OUT2
RIGHT-CHANNEL SPEAKER
EV0030_S01
2