TDA7850A STMicroelectronics, TDA7850A Datasheet - Page 7

• 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

TDA7850A
3
3.1
3.2
3.3
Table 4.
Symbol
dV
V
dG
I
G
q1
OS
OS
v
v
Quiescent current
Output offset voltage
During mute ON/OFF output
offset voltage
During St-By ON/OFF output
offset voltage
Voltage gain
Channel gain unbalance
Electrical specifications
Absolute maximum ratings
Table 2.
Thermal data
Table 3.
Electrical characteristics
Electrical characteristics
(Refer to the test and application diagram, V
T
amb
R
Symbol
Symbol
V
V
th j-case
S (DC)
T
P
S (pk)
V
I
T
stg
O
tot
= 25 °C; unless otherwise specified).
S
j
Parameter
Operating supply voltage
DC supply voltage
Peak supply voltage (for t = 50 ms)
Output peak current
repetitive (duty cycle 10 % at f = 10 Hz)
non repetitive (t = 100 μs)
Power dissipation T
Junction temperature
Storage temperature
Thermal resistance junction to case
Absolute maximum ratings
Thermal data
Play mode - Mute mode
case
R
ITU R-ARM weighted
see
L
Parameter
Parameter
= ∞
Figure 18
= 70 °C
Test condition
S
= 14.4 V; R
L
Max.
= 4 Ω; R
Min.
100
-10
-10
25
Electrical specifications
g
-55 to 150
= 600 Ω; f = 1 kHz;
Typ.
180
Value
Value
26
150
18
28
50
10
80
9
1
Max.
±50
+10
+10
280
27
±1
°C/W
Unit
Unit
Unit
mA
mV
mV
mV
°C
°C
dB
dB
W
V
V
V
A
A
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