Specifications
LV5692P, LV5693P Application Note
http://onsemi.com
25
Demonstration-board schematics
■Jumper connector setting
state: OFF AUDIO/DSP=ON AUDIO/DSP/CD=ON state: each-ch OFF each-ch ON
・"USB" output current is from external FET. This channel has over-current limiter, but you should
be careful of over heat of FET. You should consider power dissipation of FET when you
determine the limit current or heat sink specification. Limit current (peak current(A)) is calculated
by 0.3/R3.
1
4
1
5
ANT
EXT
RL1
4
1M
Ω
R
8
RL1
5
R
9
1M
Ω
R
7
USB
CD
VCC1
VDD
CTRL2
ILM
EXT
AUDIO
ILM
DSP
CD
CTRL2
CTRL1
VCC
GND
VDD
RSNS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
LV5692P/5693P
AUDIO
USBGT
EXT
VCC1
CTRL3
FB
DSP
CTRL3
CTRL1
VCC
47k
47k
47k
24k
AUDIO
/DSP
+CD
ILM
EXT
USB
+3.3V
2SJ540
9.1k
27k
0.1
C2 C1
C4 C3
C6 C5
C8 C7
C12
C13
C11
C10
C14
C16
C15
C18
C17
C20
C19
R1
R2
R3
D1
D2
D3
R15
R14
R13
R12
R11
AUDIO
/DSP
OFF
ON
OFF
ON
OFF
ON
+CD
OFF
ON
OFF
ON
USB
EXT
ILM
■demo board parts constants
C1,C3,C5,C7,C10,C15,C17,C19=0.22uF
C2,C4,C6,C8,C11,C16=10uF
C13: 0p
C12=1000pF、C14=2.2uF
C18,C20=100uF
R3:Panasonic ERJB1CFR10U
M1: Renesas 2SJ540
・all ceramic capacitors are chip condensers.
・The parts indicated by dotted line are not mounted.
M1
47k
Fig46. demo-board schematics