TDA8922C Datasheet, PDF (22/40 Pages) NXP Semiconductors – 2 X 75 W class-D power amplifier

xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx
xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx
+5 V
VDDP
GND
VSSP
CVDDP
470 µF
CVSSP
470 µF
RVDDA
10 Ω
CVP
22 µF
RVSSA
10 Ω
VDDA
VDDP
VSSP
VSSA
470 kΩ
mute/ ^{10 kΩ}
operating
5.6 kΩ
5.6 kΩ
10 µF
470 Ω
+5 V
470 kΩ
mode control
T1
HFE > 80
standby/ ^{10 kΩ}
operating
T2
HFE > 80
SGND
SINGLE-ENDED
OUTPUT FILTER VALUES
LOAD
L_LC
C_LC
6 Ω to 8 Ω 33 µH
4 Ω to 8 Ω 22 µH
330 nF
470 nF
n.c. n.c. n.c.
+
IN1
−
CIN _IN1P
2
470 nF
CIN _IN1M
3
470 nF
456
SGND
19
−
CIN _IN2P
22
IN2
+
470 nF
CIN _IN2M
21
470 nF
20
18
CVDDA
220 nF
CVSSA
220 nF
VSSA
mode
control
ROSC
30 kΩ
VDDP VSSP
CVDDP CVP CVSSP
100 nF 100 nF 100 nF
1
23
8
11
10 ^OUT1
VDDP
RSN
CSN
220 pF
10 Ω
CSN
220 pF
VSSP
LLC
BOOT1 ^CBO
9
15 nF
TDA8922CJ
BOOT2 ^CBO
15
15 nF
OUT2
LLC
14
VDDP
12
7
17
16
13
RSN
CSN
220 pF
CSTAB
470 nF
CPROT(1)
CVDDP CVP CVSSP
100 nF 100 nF 100 nF
10 Ω
CSN
220 pF
VSSP
CLC
RZO
22 Ω
+
CZO −
100 nF
CLC
RZO
22 Ω ^−
CZO ₊
100 nF
VDDA VSSA
V_SSP
V_SSA
VDDP VSSP
010aaa548
(1) The value of C_PROT can be in the range 10 pF to 220 pF (see Section 8.3.2)
Fig 10. Typical application diagram