TDA7494 Datasheet, PDF (2/12 Pages) STMicroelectronics – 10W AMPLIFIER WITH DC VOLUME CONTROL

TDA7494
ABSOLUTE MAXIMUM RATINGS
Symbol
V_S
V_IN
Ptot
T_amb
T_stg, T_j
V2, V3
Parameter
DC Supply Voltage
Maximum Input Voltage
Total Power Dissipation (Tamb = 70°C)
Ambient Operating Temperature Range (1)
Storage and Junction Temperature
Volume CTRL DC voltage
(1) Operation between -20 to 85 °C guaranteed by correlation with 0 to 70°C.
PIN CONNECTION
Value
Unit
35
V
8
Vpp
16
W
-20 to +85
°C
-40 to 150
°C
7
V
15
PWR GND
14
OUT
13
+V_CC
12
N.C.
11
N.C.
10
MUTE
9
STAND-BY
8
SGN GND
7
SVR
6
IN 2
5
IN 1
4
MONITOR OUT
3
VOLUME CONTROL
2
SW CTL
1
IN 3
D95AU415A
THERMAL DATA
Symbol
Rth j-case
R_{th j-amb}
Parameter
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
Value
Unit
Typ = 3.8 Max = 4.8 °C/W
max
35
°C/W
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, V_S = 21V, R_L = 8Ω; R_g = 50Ω;
Tamb = 25°C; unless otherwise specified.)
Symbol
VS
Iq
DCVOS
VO
PO
Parameter
Supply Voltage Range
Total Quiescent Current
Output DC Offset Referred to
SVR Potential
Quiescent Output Voltage
Output Power
Test Condition
Min.
11
No Input Signal
-400
V_S = 28V
THD = 10%; V_CC = 28V, R_L = 8Ω 8
THD = 1%; VCC = 28V
6
THD = 10%; V_CC = 21V,
5
THD = 1%; V_CC = 21V,
3.5
THD = 10%; V_CC = 21V, R_L = 4Ω 5
THD = 1%; VCC = 21V,
3.9
THD = 10%; V_CC = 18V,
4.5
THD = 1%; V_CC = 18V
3.5
THD = 10%; V_CC = 18V, R_L = 8Ω 3.5
THD = 1%; VCC = 18V
2.5
Typ.
22
14
10
8
5.5
4
7.5
5.5
6
4.5
3.75
2.85
Max.
35
50
400
Unit
V
mA
mV
V
W
W
W
W
W
W
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