SGS Thomson Microelectronics TDA7499 Datasheet
TDA7499
6 + 6W STEREO AMPLIFIER WITH MUTE & ST-BY
WIDE SUPPLY VOLTAGE RANGE UP TO
±18V
6 + 6W @ THD=10%,R
L
=8Ω,VS=+14V
NO POP AT TURN-ON/OFF
MUTE(POP FREE)
STAND-BY FEATURE (LOWI
q
)
SHORTCIRCUITPROTECTIONTO GND
THERMALOVERLOADPROTECTION
DESCRIPTION
The TDA7499 is class AB dual Audio power amplifier assembled in the Multiwatt package, specially designed for high quality sound application
as Hi-Fi music centers and stereo TV sets.
May 1997
Multiwatt11
ORDERING NUMBER: TDA7499
+5V
18K15K
IN (L)
1µF
15K 1µF
MUTE/
ST-BY
GND
IN (R)
1µF
4.7Ω
4.7Ω
100nF
100nF
OUT (L)
OUT (R)
1000µF
1000µF
+V
S
3
5
7
9
6
11
2
4+
+
-
-
D94AU085
RL (L)
RL (R)
-V
S
µP
560Ω
18K
IN- (L)8
10 IN- (R)
1
560Ω
18K
Figure 1: Typical ApplicationCircuit
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ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
S
DC Supply Voltage ±20 V
I
O
Output PeakCurrent (internally limited) 2.5 A
P
tot
Power Dissipation T
case
=70°C23W
T
op
Operating Temperature 0 to 70 °C
T
stg,Tj
Storage and Junction Temperature -40to +150 °C
1
2
3
4
5
6
7
9
10
11
8
IN+(1)
IN-(1)
GND
IN-(2)
IN+(2)
-V
S
MUTE
OUTPUT(2)
+V
S
OUTPUT(1)
-V
S
TAB CONNECTED TO PIN 6
D95AU316
PIN CONNECTION(Topview)
THERMAL DATA
Symbol Description Value Unit
R
th j-case
Thermal Resistance Junction-case Max 2.8 °C/W
R
th j-amb
Thermal Resistance Junction to Ambient Max 35 °C/W
PLAY
5V
R2
15K
IN (L)
C3 1µF
R1
10K
C1
1µF
MUTE/ST-BY
IN (R)
C4 1µF
R8
4.7Ω
R7
1K
C7
0.1µF
OUT (L)
OUT (R)
C5
1000µF
+V
S
3
5
7
9
6
11
2
4+
+
-
-
D96AU444
OUT
(L)
OUT
(R)
GND
R4
30K
IN- (L)8
10
IN- (R)
1
R5
1K
R6
30K
R9
4.7Ω
C9 470µF
C10 470µF
C8
0.1µF
R3
15K
0
MUTE
Q1
BSX33
C6
0.1µF
D1 5.1V
C2
100µF
Figure 2: Single SupplyApplication
TDA7499
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ELECTRICALCHARACTERISTICS (Refer to the test circuit, VS= + 14V; RS =50Ω;
G
V
= 30dB;f = 1KHz; T
amb
=25°C, unless otherwise specified.)
Symbol Parameter Test Condition Min. Typ. Max. Unit
V
S
Supply Range RL=8Ω +5 +18 V
R
L
=4Ω +5 +13.5 V
I
q
Total Quiescent Current 50 90 mA
V
OS
Input Offset Voltage –25 +25 mV
I
b
Output BiasCurrent 500 nA
P
O
Output Power THD = 10%
R
L
=8Ω ;
V
S
+ 11V; RL=4Ω
810
7.5
W
W
THD = 1%
R
L
=8Ω ;
V
S
+ 11V; RL=4
Ω
6 7.5
6
W
W
THD Total Harmonic Distortion R
L
=8Ω ;PO= 1W; f = 1KHz 0.03 %
R
L
=8Ω ;
P
O
= 0.1 to 5W; VS+ 13V;
f = 100Hz to 15KHz
0.2 0.5 %
R
L
=4Ω;PO= 1W; f = 1KHz 0.02 %
R
L
=4Ω ;VS+ 10V;
P
O
= 0.1 to 4W;
f = 100Hz to 15KHz
0.2 1 %
C
T
Cross Talk f = 1KHz
f = 10KHz 50
70
60
dB
dB
SR Slew Rate 6.5 10 V/µs
G
OL
Open Loop Voltage Gain 80 dB
e
N
Total Input Noise A Curve
f = 20Hz to 22KHz
3
48
µ
V
µV
R
i
Input Resistance 15 20 KΩ
SVR Supply Voltage Rejection
(each channel)
fr = 100Hz Vr = 0.5V 60 dB
T
j
Thermal Shut-down
Junction Temperature
145 °C
MUTE FUNCTION [ref: +V
S
]
VT
MUTE
Mute / Play Threshold -7 -6 -5 V
A
M
Mute Attenuation 60 70 dB
STAND-BY FUNCTION [ref: +V
S
] (only For Split Supply)
VT
ST-BY
Stand-by / Mute Threshold -3.5 -2.5 -.5 V
A
ST-BY
Stand-by Attenuation 110 dB
I
q ST-BY
Quiescent Current @ Stand-by 3 6 mA
TDA7499
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