TDA7454 Datasheet, PDF (3/13 Pages) STMicroelectronics – 4 x 35W HIGH EFFICIENCY QUAD BRIDGE CAR RADIO AMPLIFIER

TDA7454
ELECTRICAL CHARACTERISTICS (Refer to the test circuit VS = 14.4V; RL = 4Ω; f = 1KHz;
Tamb = 25°C, unless otherwise specified
Symbol
V_S
Id
P_o
Parameter
Supply Voltage Range
Total Quiescent Drain Current
Output Power
Test Condition
THD = 10%
THD = 1%
Min. Typ. Max. Unit
8
18
V
60
140 250 mA
23
25
W
18
20
W
THD = 10% RL = 2Ω;
40
42
W
THD = 1% R_L = 2Ω;
28
30
W
P_{o EIAJ}
EIAJ Output Power (*)
Vs = 13.7V
32
35
W
Vs = 13.7V, RL = 2Ω
50
52
W
Po max. Max. Output Power (*)
Vs = 14.4V
38
40
W
Vs = 14.4V, RL = 2Ω
55
60
W
THD
Total harmonic distortion
P_O = 1W to 10W; STD MODE
P_O = 1W; HE MODE
P_O = 10W; HE MODE
0.03 0.3
%
0.04 0.3
%
0.1
0.5
%
R_L = 2Ω; HE MODE; PO = 3W
R_L = 2Ω; HE MODE; PO = 15W
0.06 0.3
%
0.15 0.5
%
C_T
Cross Talk
f = 1KHz to 10KHz
45
55
dB
RIN
Input Impedance
11
15
19
KΩ
G_V
Voltage Gain
25
26
27
dB
∆GV
Voltage Gain Match
1
dB
E_IN
Output Noise Voltage
R_g = 600Ω
100 150 mV
SVR
Supply Voltage Rejection
f = 300Hz; Vr = 1Vrms;
45
52
dB
Rg = 0 to 100Ω;
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
100
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_pin16)
Open
High Efficiency Mode (V_{pin 16})
0.5
V
CD
Clip Det. out Current
(Pull up to 5V with 10KΩ)
CD off: P_Omin = 10W
CD on: THD = 5%
5
µA
150
µA
(*) Saturated square wave output.
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