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