JBL SP 150 Service Manual ▷ View online
JBL
150P / 230V Service Manual
Page 28 of 50
1.
General description
The TDA8920C is a high-efficiency class-D audio power amplifier. The typical output
power is 2
power is 2
×
110 W with a speaker load impedance of 4
Ω
.
The TDA8920C is available in both HSOP24 and DBS23P power packages. The amplifier
operates over a wide supply voltage range from
operates over a wide supply voltage range from
±
12.5 V to
±
32.5 V and has a low
quiescent current consumption.
2.
Features
n
Pin compatible with TDA8950/20B for both HSOP24 and DBS23P packages
n
Symmetrical high operating supply voltage range from
±
12.5 V to
±
32.5 V
n
Stereo full differential inputs, usable as stereo Single-Ended (SE) or mono Bridge-Tied
Load (BTL) amplifier
Load (BTL) amplifier
n
High output power at typical applications:
u
SE 2
×
110 W, R
L
= 4
Ω
(V
P
=
±
30 V)
u
SE 2
×
125 W, R
L
= 4
Ω
(V
P
=
±
32 V)
u
SE 2
×
120 W, R
L
= 3
Ω
(V
P
=
±
29 V)
u
BTL 1
×
210 W, R
L
= 8
Ω
(V
P
=
±
30 V)
n
Low noise in BTL operation due to BD modulation
n
Smooth pop noise-free start-up and switch off
n
Zero dead time Pulse-Width Modulation (PWM) output switching
n
Fixed frequency
n
n
High efficiency
n
Low quiescent current
n
Advanced protection strategy: voltage protection and output current limiting
n
Thermal foldback
n
Fixed gain of 30 dB in SE and 36 dB in BTL
n
Full short-circuit proof across load
3.
Applications
n
DVD
n
Mini and micro receiver
n
Home Theater In A Box (HTIAB) system
n
High power speaker system
TDA8920C
2
×
110 W class-D power amplifier
Rev. 01 — 29 September 2008
Preliminary data sheet
JBL
150P / 230V Service Manual
Page 29 of 50
TDA8920C_1
Preliminary data sheet
Rev. 01 — 29 September 2008
2 of 40
NXP Semiconductors
TDA8920C
2
×
110 W class-D power amplifier
4.
Quick reference data
[1]
The circuit is DC adjusted at V
P
=
±
12.5 V to
±
32.5 V.
[2]
Output power is measured indirectly; based on R
DSon
measurement; see
Section 13.3
.
5.
Ordering information
Table 1.
Quick reference data
Symbol Parameter
Conditions
Min
Typ
Max
Unit
General, V
P
=
±
30 V
V
P
supply voltage
Operating mode
[1]
±
12.5
±
30
±
32.5 V
V
P(ovp)
overvoltage protection
supply voltage
supply voltage
Non-Operating mode;
V
V
DD
−
V
SS
65
-
70
V
I
q(tot)
total quiescent current
Operating mode; no load;
no filter; no RC-snubber
network connected
no filter; no RC-snubber
network connected
-
50
75
mA
Stereo single-ended configuration
P
o
output power
L = 22
µ
H; C = 680 nF;
T
j
= 85
°
C
THD = 10 %; R
L
= 4
Ω
;
V
P
=
±
30 V
[2]
-
110
-
W
THD = 10 %; R
L
= 4
Ω
;
V
P
=
±
27 V
-
80
-
W
Mono bridge-tied load configuration
P
o
output power
L = 22
µ
H; C = 680 nF;
T
j
= 85
°
C; THD = 10 %;
R
L
= 8
Ω
; V
P
=
±
30 V
[2]
-
210
-
W
Table 2.
Ordering information
Type number
Package
Name
Description
Version
TDA8920CJ
DBS23P
plastic DIL-bent-SIL power package; 23 leads (straight lead length 3.2 mm) SOT411-1
TDA8920CTH
HSOP24
plastic, heatsink small outline package; 24 leads; low stand-off height
SOT566-3
JBL
150P / 230V Service Manual
Page 30 of 50
TDA8920C_1
Preliminary data sheet
Rev. 01 — 29 September 2008
4 of 40
NXP Semiconductors
TDA8920C
2
×
110 W class-D power amplifier
7.
Pinning information
7.1 Pinning
Fig 2.
Pin configuration TDA8920CTH
Fig 3.
Pin configuration TDA8920CJ
TDA8920CTH
VSSD
VSSA
VDDP2
SGND
BOOT2
VDDA
OUT2
IN2M
VSSP2
IN2P
n.c.
MODE
STABI
OSC
VSSP1
IN1P
OUT1
IN1M
BOOT1
n.c.
VDDP1
n.c.
PROT
n.c.
001aai853
24
23
22
21
20
19
18
17
16
15
14
13
11
12
9
10
7
8
5
6
3
4
1
2
TDA8920CJ
OSC
IN1P
IN1M
n.c.
n.c.
n.c.
PROT
VDDP1
BOOT1
OUT1
VSSP1
STABI
VSSP2
OUT2
BOOT2
VDDP2
VSSD
VSSA
SGND
VDDA
IN2M
IN2P
MODE
001aai854
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
JBL
150P / 230V Service Manual
Page 31 of 50
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