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E-TDA7454

P1-P3P4-P6P7-P9P10-P12P13-P13
TDA7454
4 x 35W HIGH EFFICIENCY QUAD BRIDGE
CAR RADIO AMPLIFIER
HIGH OUTPUT POWER CAPABILITY:
4 x 40W/4
Ω
MAX.
4 x 35W/4
Ω
EIAJ.
4 x 25W/4
Ω
@14.4V, 1KHz, 10%
4 x 60W/2
Ω
MAX.
2
Ω
DRIVING CAPABILITY
DUAL MODE OPERATING EXTERNALLY
PRESETTABLE: CONVENTIONAL CLASS A-
B MODE, HIGH EFFICIENCY MODE
LOW EXTERNAL COMPONENTS COUNT:
–
N
O BOOTSTRAP CAPACITORS
–
NO EXTERNAL COMPENSATION
– I
NTERNALLY FIXED GAIN (26dB)
CLIPPING DETECTOR
ST-BY FUNCTION (CMOS COMPATIBLE)
MUTE FUNCTION (CMOS COMPATIBLE)
AUTOMUTE AT MINIMUM SUPPLY
VOLTAGE DETECTION
LOW RADIATION
Protections:
OUPUT SHORT CIRCUIT
TO GND; TO V
S
; ACROSS THE LOAD
3 STEPS OVERRATING CHIP TEMPERA-
TURE WITH THERMAL WARNING
LOAD DUMP VOLTAGE
FORTUITOUS OPEN GND
LOUDSPEAKER DC CURRENT
ESD
DESCRIPTION
The TDA7454 is a new BCD technology QUAD
BRIDGE type of car radio amplifier in Flexiwatt25
package specially intended for car radio applications.
Among the features, its superior efficiency per-
formance coming from the internal exclusive
structure, makes it the most suitable device to
simplify the thermal management in high power
sets. The dissipated output power under average
listening condition is in fact reduced up to 50%
when compared to the level provided by conven-
tional class AB solutions.
September 2013
Flexiwatt 25
7
8
9
-
+
5
2
3
+
-
19
18
17
21
24
23
-
+
+
-
RIGHT FRONT
RIGHT REAR
LEFT FRONT
LEFT REAR
SVR
11
12
15
14
MUTE 22
ST-BY 4
IN LEFT
REAR
IN LEFT
FRONT
100µF
IN RIGHT
FRONT
IN RIGHT
REAR
0.22µF
0.22µF
0.22µF
0.22µF
10
CD 25
1
TAB
13
S-GND
STD/HI- EFF 16
V
CC2
V
CC1
V
CC
20
6
D94AU172C
BLOCK & APPLICATION DIAGRAM
MULTIPOWER BCD TECHNOLOGY
1/13
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
op
Operating Supply Voltage 18 V
V
S
DC Supply Voltage 28 V
V
peak
Peak Supply Voltage (for t = 50ms) 40 V
I
O
Output Peak Current (not repetitive t = 100µs) 8 A
I
O
Output Peak Current (repetitive f > 10Hz) 6 A
P
tot
Power Dissipation T
case
= 70°C86W
T
stg
, T
j
Storage and Junction Temperature -55 to 150 °C
THERMAL DATA
Symbol Description Value Unit
R
th j-case
Thermal Resistance Junction-case Max 1 °C/W
D94AU173A
TAB
PW GND RR
OUT RR-
ST-BY
OUT RR+
V
CC1
OUT RF-
PW GND RF
OUT RF+
SVR
IN RF
IN RR
S GND
IN LR
IN LF
STD/HEFF
OUT LF+
PW GND LF
OUT LF-
V
CC2
OUT LR+
MUTE
OUT LR-
PW GND LR
CD
1
25
2
3
4
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
22
23
24
PIN CONNECTION
(Top view)
TDA7454
2/13
ELECTRICAL CHARACTERISTICS
(Refer to the test circuit V
S
= 14.4V; R
L
= 4
Ω
; f = 1KHz;
T
amb
= 25°C, unless otherwise specified
Symbol Parameter Test Condition Min. Typ. Max. Unit
V
S
Supply Voltage Range 8 18 V
I
d
Total Quiescent Drain Current 60 140 250 mA
P
o
Output Power THD = 10%
THD = 1%
THD = 10% RL = 2Ω;
THD = 1% R
L
= 2Ω;
23
18
40
28
25
20
42
30
W
W
W
W
P
o EIAJ
EIAJ Output Power (*) Vs = 13.7V
Vs = 13.7V, RL = 2Ω
32
50
35
52
W
W
P
o max.
Max. Output Power (*) Vs = 14.4V
Vs = 14.4V, RL = 2Ω
38
55
40
60
W
W
THD Total harmonic distortion P
O
= 1W to 10W; STD MODE
P
O
= 1W; HE MODE
P
O
= 10W; HE MODE
0.03
0.04
0.1
0.3
0.3
0.5
%
%
%
R
L
= 2Ω; HE MODE; P
O
= 3W
R
L
= 2Ω; HE MODE; P
O
= 15W
0.06
0.15
0.3
0.5
%
%
C
T
Cross Talk f = 1KHz to 10KHz 45 55 dB
R
IN
Input Impedance 11 15 19 KΩ
G
V
Voltage Gain 25 26 27 dB
∆G
V
Voltage Gain Match 1 dB
E
IN
Output Noise Voltage R
g
= 600Ω 100 150 µV
SVR Supply Voltage Rejection f = 300Hz; Vr = 1Vrms;
R
g
= 0 to 100Ω;
45 52 dB
BW Power Bandwidth (–3dB) 75 KHz
A
SB
Stand-by Attenuation 90 100 dB
V
sb IN
Stand-by in Threshold 1.5 V
V
sb OUT
Stand-by out Threshold 3.5 V
I
sb
Stand-by Current Consumption 50 µA
A
M
Mute Attenuation 80 90 dB
V
M IN
Mute in Thereshold 1.5 V
V
M OUT
Mute out Threshold 3.5 V
I
M
Mute pin Current (Sourced) V = 0 to V
S
V
S max
= 18V
-10 1 10 µA
Mode Select Switch Standard BTL Mode Op. (V
pin 16
) Open
High Efficiency Mode (V
pin 16
)0.5V
CD Clip Det. out Current
(Pull up to 5V with 10KΩ)
CD off: P
Omin
= 10W
CD on: THD = 5% 150
5 µA
µA
(*) Saturated square wave output.
TDA7454
3/13
P1-P3P4-P6P7-P9P10-P12P13-P13

E-TDA7454

Mfr. #:
Buy E-TDA7454
Manufacturer:
STMicroelectronics
Description:
IC AMP AUDIO 60W AB 25FLEXIWATT
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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