TDA7389 Datasheet, PDF (7/14 Pages) STMicroelectronics – 4 x 45W quad bridge car radio amplifier

TDA7389
Electrical specifications
Table 4.
Symbol
Electrical characteristics (continued)
(V_S = 14.4V; f = 1KHz; R_g = 600Ω; R_L = 4Ω; T_amb = 25°C; Refer to the test and application
diagram (Figure 14), unless otherwise specified.)
Parameter
Test condition
Min. Typ. Max. Unit
THD
e_No
Distortion
Output noise
P_o = 4W
"A" Weighted
Bw = 20Hz to 20KHz
SVR
f_ch
R_i
C_T
Supply voltage rejection
High cut-off frequency
Input Impedance
Cross talk
f = 100Hz; V_r = 1V_rms
P_o = 0.5W
f = 1KHz; Po = 4W
f = 10KHz; Po = 4W
I_SB
I_pin4
V_{SB out}
V_{SB IN}
A_M
V_{M out}
V_{M in}
St-By current consumption
V_St-By = 1.2V
V_St-By = 0V
St-By pin current
V_St-By = 1.2 to 2.6V
St-By OUT threshold voltage (Amp: ON)
St-By IN threshold voltage (Amp: OFF)
Mute attenuation
P_Oref = 4W
Mute OUT threshold voltage (Amp: Play)
Mute IN threshold voltage (Amp: Mute)
V_{AM in} V_S automute threshold
(Amp: Mute); Att ≥ 80dB;
P_Oref = 4Ω
(Amp: Play); Att < 0.1dB;
P_O = 0.5W
I_pin22 Muting pin current
V_MUTE = 1.2V
(Source current)
V_MUTE = 2.6V
Clipping detector
0.04 0.10 %
50
70
μV
70 100 μV
50
75
dB
100 200
KHz
70 100 150 KΩ
60
75
dB
60
dB
50
μA
25
±1
μA
2.6
V
1.2
V
80
90
dB
2.6
V
1.2
V
6.5
V
7.6 8.5
5
11
20
μA
-5
-
-20
CD_LK Clip det high leakage current CD Off
CD_SAT Clip det sat voltage
DC On; I_CD = 1mA
CD_THD Clip det THD level
Pout > 16W
1. Saturated square wave output.
1
μA
0.2 0.4
V
2
%
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