TDA7850 STMicroelectronics, TDA7850 Datasheet - Page 11

• Manufacturer Part Number: TDA7850
• Description: IC AMP QUAD BRIDGE FLEXIWATT25
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7850

• Output Type: 4-Channel (Quad)
• Max Output Power X Channels @ Load: 85W x 4 @ 2 Ohm
• Voltage - Supply: 8 V ~ 18 V
• Features: Mute, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Through Hole
• Package / Case: 25-Flexiwatt (bent and staggered leads)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7850
3.4
Figure 6.
Figure 8.
Figure 10. Distortion vs. output power
200
190
180
170
160
150
140
130
120
110
100
130
120
110
100
0.001
90
80
70
60
50
40
30
20
10
0.01
0
0.1
10
1
8
8
I d (mA)
0.1
P o (W)
THD (%)
V i = 0
R L = ∞
V
R L = 2Ω
R
f = 1 KHz
9
S
L
= 14.4 V
= 2Ω
10
10
Electrical characteristic curves
Quiescent current vs. supply
voltage
Output power vs. supply voltage
(R
(R
L
L
11
= 2Ω)
= 2Ω)
1
12
12
V s (V)
P o (W)
V s (V)
13
f = 1 KHz
f = 10 KHz
14
14
10
15
Po-max
THD=10%
16
16
THD=1%
17
AC00068
AC00066
AC00064
100
18
18
Figure 7.
Figure 9.
Figure 11. Distortion vs. frequency
0.001
0.001
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
0.01
0.01
5
0.1
0.1
10
10
8
1
1
0.1
10
P
o
THD (%)
THD (%)
(W)
R
f = 1 KHz
L
V
R
= 4Ω
9
V
R
P
S
L
S
o
L
= 4Ω
= 14.4 V
= 14.4 V
= 4Ω
= 4 W
10
Output power vs. supply voltage
(R
Distortion vs. output power
(R
(R
100
L
L
L
11
= 4Ω)
= 4Ω)
= 4Ω)
1
12
f = 1 KHz
V
P
f (Hz)
s
1000
f = 10 KHz
o
13
Electrical specifications
(V)
(W)
14
10
15
10000
Po-max
THD= 10%
16
THD= 1%
17
AC00069
AC00067
AC00064
100000
11/18
100
18