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TDA7850AH Datasheet(PDF) 8 Page - STMicroelectronics

Part No. TDA7850AH
Description  4 x 50 W MOSFET quad bridge power amplifier plus HSD
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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TDA7850AH Datasheet(HTML) 8 Page - STMicroelectronics

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Electrical specifications
TDA7850A
8/16
Po
Output power
VS = 13.2V; THD = 10%
VS = 13.2V; THD = 1%
VS = 14.4V; THD = 10%
VS = 14.4V; THD = 1%
23
16
28
20
25
19
30
23
W
VS = 14.4V; THD = 10%, 2Ω
50
55
W
Po max.
Max. output power(1)
VS = 14.4V; RL = 4Ω
VS = 14.4V; RL = 2Ω
50
85
W
THD
Distortion
Po = 4W
Po = 15W; RL = 2Ω
0.006
0.015
0.05
0.07
%
eNo
Output noise
"A" Weighted
Bw = 20Hz to 20KHz
35
50
50
70
μV
SVR
Supply voltage rejection
f = 100Hz; Vr = 1Vrms
50
75
dB
fch
High cut-off frequency
PO = 0.5W
100
300
KHz
Ri
Input impedance
80
100
120
K
Ω
CT
Cross talk
f = 1KHz PO = 4W
f = 10KHz PO = 4W
60
70
60
-
-
dB
ISB
St-By current consumption
VSt-By = 1.5V
20
μA
VSt-By = 0V
10
Ipin5
St-by pin current
VSt-By = 1.5V to 3.5V
±1
μA
VSB out
St-By out threshold voltage
(Amp: ON)
2.75
V
VSB in
St-By in threshold voltage
(Amp: OFF)
1.5
V
AM
Mute attenuation
POref = 4W
80
90
dB
VM out
Mute out threshold voltage
(Amp: Play)
3.5
V
VM in
Mute in threshold voltage
(Amp: Mute)
1.5
V
VAM in
VS automute threshold
(Amp: Mute)
Att 80dB; POref = 4W
(Amp: Play)
Att < 0.1dB; PO = 0.5W
6.5
7
7.5
8
V
Ipin23
Muting pin current
VMUTE = 1.5V
(Sourced Current)
712
18
μA
VMUTE = 3.5V
-5
18
μA
HSD section
Vdropout Dropout voltage
IO = 0.35A; VS = 9 to 16V
0.25
0.6
V
Iprot
Current limits
400
800
mA
Table 4.
Electrical characteristics (continued)
(Refer to the test and application diagram, VS = 14.4V; RL = 4Ω; Rg = 600Ω; f = 1KHz;
Tamb = 25°C; unless otherwise specified).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit


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