TDA7490 STMicroelectronics, TDA7490 Datasheet - Page 2

• Manufacturer Part Number: TDA7490
• Description: IC AMP AUDIO 50W D 25FLEXIWATT
• Manufacturer: STMicroelectronics
• Type: Class Dr

Specifications of TDA7490

• Output Type: 1-Channel (Mono) or 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 50W x 1 @ 16 Ohm; 25W x 2 @ 8 Ohm
• Voltage - Supply: ±10 V ~ 25 V
• Features: Depop, 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
• Other names: 497-3985-5

TDA7490
Figure 3. Test and Application Circuit. (Bridge Configuration)
Table 2. Absolute Maximum Ratings
Table 3. Thermal Data
2/10
V
Symbol
Symbol
R
T
6,8,10,18
th j-case
V
stg
P
T
CC
tot
op
, T
j
DC Supply Voltage (no signal)
Power Dissipation T
Storage and Junction Temperature
Operating Temperature Range
Maximum Voltage on pins # 6,8,10,18 referred to GND
Thermal Resistance Junction-case
4.7K
R63
INPUT
10
18
PRE
PRE
case
7
19
470pF
470pF
C40
C60
= 70°C
68K
R61
68K
Parameter
Parameter
R4
+
+
-
-
Int.
Int.
470pF
470pF
C41
C59
17
9
R62 52.3K
R5 52.3K
PWM-stage
PWM-stage
23
3
Typ.
The LC filter is optimized for 8Ω
(<->LC filter for 4Ω in single-ended)
It hos to be changed for other loads
L10 30µ
L9 30µ
235nF
235nF
C23
C24
D99AU1081
470nF
470nF
C26
C29
R27
R28
10
10
–40 to 150
0 to 70
Value
Value
±30
35
±5
1
(common
dumping
mode)
Rload
R25
°C/W
Unit
Unit
°C
°C
W
V
V