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TDA7850AH Datasheet(PDF) 9 Page - STMicroelectronics

Part No. TDA7850AH
Description  4 x 50 W MOSFET quad bridge power amplifier plus HSD
Download  16 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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TDA7850AH Datasheet(HTML) 9 Page - STMicroelectronics

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TDA7850A
Electrical specifications
9/16
3.4
Electrical characteristic curves
Offset detector (Pin 26)
VM_ON
Mute voltage for DC offset
detection enabled
Vstby = 5V
8V
VM_OFF
6V
VOFF
Detected differential output offset Vstby = 5V; Vmute = 8V
±2
±3
±4
V
V26_T
Pin 26 voltage for detection =
TRUE
Vstby = 5V; Vmute = 8V
VOFF > ±4V
01.5
V
V26_F
Pin 26 Voltage for detection =
FALSE
Vstby = 5V; Vmute = 8V
VOFF > ±2V
12
V
1.
Saturated square wave output.
Figure 4.
Quiescent current vs. supply
voltage
Figure 5.
Output power vs. supply voltage
(RL = 4Ω)
Figure 6.
Output power vs. supply voltage
(RL = 2Ω)
Figure 7.
Distortion vs. output power
(RL = 4Ω)
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
AC00064
Vs (V)
100
110
120
130
140
150
160
170
180
190
200
8
1012141618
Vi = 0
RL =
Id (mA)
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
8
9
10
11
12
13
14
15
16
17
18
P
o (W)
V
s (V)
R
L= 4Ω
f = 1 KHz
Po-max
THD= 10%
THD= 1%
AC00064
AC00066
0
10
20
30
40
50
60
70
80
90
100
110
120
130
8
9
10
11
12
13
14
15
16
17
18
Vs (V)
Po (W)
Po-max
THD=10%
THD=1%
R
L= 2Ω
f = 1 KHz
AC00067
0.001
0.01
0.1
1
10
0.1
1
10
100
P
o (W)
THD (%)
V
S = 14.4 V
R
L = 4Ω
f = 1 KHz
f = 10 KHz


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