Datasheet

Electrical specifications TDA7498E
10/20 Doc ID 022595 Rev 1
3.5 Test circuit
Figure 3. Test circuit stereo application and mono BTL mode
GAIN SETTING
GAIN JUMPER
23.6dB 29.6dB
33.1dB 35.6dB
J9 J10 J11 J12
Optional components or circuitry
L+
R+ R-
VCC GND
L+
L-
R+
R-
TDA7498E
MUTE
STBY
3V3 POWER SUPPLY
Single-Ended
Input
CLASS-D AMPLIFIER
For Single-Ended
Input and
Load=4 ohm
For
LOUTPUT
INPUT
L-
MONO OUT
FREQUENCY SHIFT
Load=4 ohm
R-OUTPUT
MONO OUT
(PSSO36)
MONO Config
MONO Config
MONO
INPUT
L+, L- Only
MODE SETTING
STEREO
MONO MODE JUMPER
J5
J6,J3,J8
C5
100nF
L4
C1
1uF
C2
1uF
C11
1uF
C12
1uF
C25
100nF
C19
100nF
C27
330pF
R6
22R
C40
220nF
C41
220nF
C21
330pF
R5
22R
C42
220nF
C43
220nF
C3
1nF
C4
1nF
C13
1nF
C14
1nF
32
INPB
36
VSS
9
OUTNB
5
PGNDB
7
PVCCB
3
OUTPB
10
OUTNA
12
PVCCA
14
PGNDA
16
OUTPA
33
INNB
8
OUTNB
4
PGNDB
21
MUTE
6
PVCCB
2
OUTPB
29
SVR
11
OUTNA
1
SUB_GND
22
INPA
23
INNA
27
SGND
26
VDDS
28
DIAG
19
VDDPW
18
PGND
20
STBY
24
ROSC
31
MODE
35
SVCC
30
GAIN
25
SYNCLK
17
OUTPA
15
PGNDA
34
VREF
13
PVCCA
IC1
TDA7498E
R1
47k
R7
22R
C6
100nF
R4
120k
R2
33k
R8
6.8k
C26
1uF
C10
100nF
C20
1uF
J6
J9
2
1 3
S1
2
1
3
S2
C9
100nF
C29
2.2uF
2
GND
1
OUT
3
IN
IC2
L4931CZ33
+
C15
2.2uF 16V
1
2
J2
J8
J7
+
C7 2.2uF 16V
+
C23
2200uF
50V
L3
L1
L2
C17
10uF
10V
C16
10uF
10V
D1
18V
J4
C30
1uF
C31
1uF
R15
8R
C28
220nF
R16
8R
C24
220nF
R17
8R
C18
220nF
R18
8R
C22
220nF
SYNC
2
4
1 3
J1
R10
100k
R11
100k
R12
100k
J11
J12
J5
J10
J3
R3
39K
C8
100nF
R9
180K
1
2
3
Q1
KTC3875(S)
R13
47k
R14
100k
D2
D3
D4
D8
D6
D5
D7
D9
+
C32
2200uF
50V
1
2
J14
1
2
J13
WL+
WR+
WL-
WR-
L1S
L2S L3S
L4S
R19
33k
DIAG
VDDS
VDDS
VDDS
VCC
VCC
VCC
VCC
VCC
VDDS
3V3
PS
PS