VM800C Datasheet
Version 1.0
Document Reference No.: FT_000844 Clearance No.: FTDI# 345
AUD_3V3
U5
AUDIO_L
R8
33R
2
1
4
R9
R10
R11
C16
AUDIO_L_out
JP2
AUDIO_L
OE
1k
1k
1k
0.47uF
C13
4.7nF
C14
4.7nF
C15
4.7nF
AUD_3V3
C17
J2
JP2-Audio Amp. Enabled
JP3-Audio Amp. Mute
AGND
SN74LVC1G125DBVR
AGND
AGND
AGND
1
2
3
0.1uF
AGND
R12
JP3
10k/1%
AUD_3V3
Header 0.1"
R13 20k/1%
U6
4
3
AGND
SP1
6
IN-
IN+
VDD
5
SP+
SP-
J3
J4
VO+
8
VO-
7
AUDIO_SHDN#
R16 33R
1
2
AUDIO_SHDN#
SHDN GND
BYPASS GND
9
1W/8Ohm
TPA6205A1
R15 20k/1%
R14
10k/1%
C18
0.47uF
C20
1uF
R17
47k
C19
0.22uF
AGND
AGND
AGND
AGND AGND
5V
3V3
AUD_3V3
FB1
XL1
JP1
600R/1A
1
2
3
C21
100uF
C22
0.1uF
C23
10nF
Shunt 2.0mm
FB2
Jumper 2.0mm
600R/1A
GND
AGND
Max peak current ~400mA for 8-ohm speaker
Figure 4-4 – VM800C Audio
13
Copyright © 2013 Future Technology Devices International Limited
FTDI [ FUTURE TECHNOLOGY DEVICES INTERNATIONAL LTD. ]
