TDA7850A STMicroelectronics, TDA7850A Datasheet - Page 10

• Manufacturer Part Number: TDA7850A
• Description: IC AMP QUAD BRIDGE FLEXIWATT25
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7850A

• 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

Electrical specifications
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Figure 8.
Figure 10. Distortion vs. frequency
Figure 12. Supply voltage rejection vs.
0.001
-100
0.001
0.01
-20
-30
-40
-50
-60
-70
-80
-90
0.01
0.1
0.1
10
10
1
1
10
0.1
10
SVR (dB)
THD (%)
THD (%)
R g = 600Ω
Vripple = 1 Vrms
V
R L = 2Ω
V
R
P
S
S
L
o
= 14.4 V
= 8 W
= 14.4 V
= 2Ω
Distortion vs. output power
(R
(R
frequency
100
100
L
L
= 2 Ω)
= 2 Ω)
1
f (Hz)
f (Hz)
1000
P o (W)
1000
f = 1 KHz
f = 10 KHz
10
10000
10000
AC00070
AC00072
AC00068
100000
100000
100
Figure 9.
Figure 11. Crosstalk vs. frequency
Figure 13. Output attenuation vs. supply
0.001
-100
-100
0.01
-20
-30
-40
-50
-60
-70
-80
-90
-20
-40
-60
-80
0.1
10
0
1
10
5
10
CROSSTALK (dB)
OUTPUT ATTN (dB)
THD (%)
R
P
R
P
R
o
L
L
o
g
V
R
P
= 4 W ref
= 4 W
= 4Ω
S
o
L
= 4Ω
= 600Ω
= 14.4 V
= 4Ω
= 4 W
6
Distortion vs. frequency
(R
voltage
100
100
L
= 4 Ω)
7
f (Hz)
f (Hz)
1000
1000
Vs (V)
8
10000
10000
9
TDA7850A
AC00071
AC00069
AC00073
100000
100000
10