UTC TDA8496 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
www.unisonic.com.tw
QW-R107-030,A
5W+5W AMPLIFIER WITH DC VOLUME
CONTROL
DESCRIPTION
The UTC TDA8496 is a stereo 5+5W class AB power
amplifier with mute and dc volume control,assembled in the
HZIP-15 package. It is designed for high quality sound, LCD
TV or LCD Monitor applications.
FEATURES
* 5+5W OUTPUT POWER @ V
CC
= 22V; R
L
= 8
* LOW TURN-ON TURN-OFF POP NOISE
* LOW EXTERNAL COMPONENTS
* SHORT CIRCUIT &THERMAL OVERLOAD PROTECTION
* LINEAR VOLUME CONTROL BY DC VOLTAGE
* SOFT CLIPPING
* INTERNALLY FIXED GAIN
* ST-BY AND MUTE FUNCTIONS
HZIP-15
*Pb-free plating product number: TDA8496L
PIN CONFIGURATION
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PW_GND
OUTR
VS
OUTL
PW_GND
MUTE
STBY
S_GND
SVR
N.C.
INL
VAROUT_L
VOLUME
VAROUT_R
INR
(Top View)
UTC TDA8496 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
www.unisonic.com.tw
QW-R107-030,A
BLOCK DIAGRAM
+
-
+
-
470 F
470nF
100nF
300K
VAROUT_L
3
4
7
5
8
1
11
2
13
15
14
9
10
12
+5V
VOLUME
SVR
INL
S_GND
VOLUME
470nF
INR
1000 F
OUTL
MUTE
1 F
10K
60K
30K
30K
VOLUME
VAROUT_R
V
S
PW_GND
PW_GND
STBY
OUTR
1000 F
S2 MUTE
S1 ST-BY
+5V
+5V
S_GND
OP AMP
OP AMP
MUTE/STBY
PROTECTIONS
TSD
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL
RATINGS
UNIT
DC Supply voltage
V
S
35
V
Maximum Input Voltage
V
IN
8
V
PP
Volume Control DC Voltage
V
3
7
V
Total Power Dissipation (Ta = 80)
P
tot
15
W
Ambient Operating Temperature
T
amb
0 ~ 70
Junction Temperature
T
j
-40 ~ 150
Storage Temperature
T
stg
-40 ~ 150
THERMAL DATA
PARAMETER SYMBOL
RATINGS
UNIT
Thermal Resistance junction-case
JC
Typ. = 4, Max. = 4.6
/W
Thermal Resistance junction-ambient Max.
JA
35
/W
UTC TDA8496 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
www.unisonic.com.tw
QW-R107-030,A
ELECTRICAL CHARACTERISTICS
(Refer to the test circuit V
S
= 22V, R
L
= 8, R
g
= 50, Ta=25)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX UNIT
Supply Voltage Range
V
S
10 32 V
Total Quiescent Current
I
q
25 50 mA
Output DC Offset Referred to SVR Potential DCV
OS
No Input Signal
200
mV
Quiescent Output Voltage
V
O
11 V
THD = 10%, R
L
= 8
THD = 1%, R
L
= 8
5
5.5
4
W
Output Power
P
O
THD = 10%, R
L
= 4, VS = 12V
THD = 1%, R
L
= 4, VS = 12V
2.1
1.0
W
Total Harmonic Distortion
THD G
v
= 30dB, P
O
= 1W, f = 1KHz
0.4
%
Output Peak Current
I
peak
(internally
limited)
1.0 1.3
A
Input Signal
V
IN
2.8 Vrms
Closed Loop Gain
G
V
V
Ol Ctrl
>4.5V
28.5
30
31.5
dB
Monitor Out Gain
G
VLine
V
Ol Ctrl
>4.5V, Zload >30K -1.5
0
1.5
dB
Attenuation at Minimum Volume
A
Min
V
OL
V
Ol Ctrl
<0.5V
80
dB
BW
0.6
MHz
f =20Hz ~ 22KHz(PLAY, max volume)
500 800
V
f =20Hz ~ 22KHz
PLAY, max attenuation
100
250
V
Total Output Noise
eN
f = 20Hz ~ 22KHz MUTE
60
150
V
Slew Rate
SR
5
8
V/s
Input Resistance
R
i
22.5 30 K
Variable Output Resistance
R
Var Out
30 100
Variable Output Load
R
L Var Out
2
K
f = 1KHz, max volume
C
SVR
= 470mF, V
RIP
= 1Vrms
35 39 dB
Supply Voltage Rejection
SVR
f = 1KHz, max attenuation
C
SVR
= 470mF, V
RIP
= 1Vrms
55 65 dB
Thermal Muting
T
M
150
Thermal Shut-down
T
S
160
MUTE STAND-BY & INPUT SELECTION FUNCTIONS
Stand-by ON Threshold
V
ST-ON
3.5
V
Stand-by OFF Threshold
V
ST-OFF
1.5
V
Mute ON threshold
V
MUTEON
3.5
V
Mute OFF threshold
V
MUTEOFF
1.5
V
Mute Attenuation
A
MUTE
50 65
dB
Quiescent Current @ Stand-by
I
qST-BY
0.6 1 mA
Stand by ON: V
ST-BY
= 5V, V
mute
= 5V
80
A
Stand-by bias current
I
stbyBIAS
Play or Mute
-20
-5
A
Mute
1
5
A
Mute Bias Current
I
muteBIAS
Play
0.2
2
A
UTC TDA8496 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
4
www.unisonic.com.tw
QW-R107-030,A
Figure 1: APPLICATION CIRCUIT
+
-
+
-
C4
470 F
C3
470nF
C5
100nF
R1
300K
VAROUT_L
3
4
7
5
8
1
11
2
13
15
14
9
10
12
+5V
VOLUME
SVR
INL
S_GND
VOLUME
C2
470nF
INR
C6
1000 F
C7
1 F
R2
10K
30K
30K
VOLUME
VAROUT_R
V
S
PW_GND
PW_GND
OUTR
C8
1000 F
S2 MUTE
S1 ST-BY
+5V
+5V
S_GND
OP AMP
OP AMP
MUTE/STBY
PROTECTIONS
PW_GND
OUTL
PW_GND
TP1
VOL
P1
50K
LOG
C9
0.1 F
C1
1000 F
+V
S
TSD
MUTE STAND-BY TRUTH TABLE
MUTE St-BY
OPERATING
CONDITION
H H
STAND-BY
L H
STAND-BY
H L
MUTE
L L
PLAY
UTC TDA8496 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
5
www.unisonic.com.tw
QW-R107-030,A
Turn ON/OFF Sequences
USING ONLY THE MUTE FUNCTION
V
S
(V)
ST-BY
pin#9 (V)
V
SVR
pin#7(V)
MUTE
pin#10 (V)
INPUT
(mV)
V
OUT
(V)
I
Q
(mA)
5
2.5V
5
OFF STBY MUTE
PLAY
MUTESTBY OFF
UTC TDA8496 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
6
www.unisonic.com.tw
QW-R107-030,A
10
50
18
14
20
24
25
45
40
30
15
20
35
Iq (mA)
Supply Voltage (V)
12
16
22
26
28
30
32
Quiescent Current vs. Supply Voltage
10
550
18
14
20
24
200
500
400
300
100
150
350
Vodc-
V
svr (m
V)
Supply Voltage (V)
12
16
22
26
28
30
32
Output DC Offset vs. Supply Voltage
Vi=0
250
450
Vi=0
10
16
18
14
20
24
7
14
13
9
4
6
11
Vod
c
(V)
Supply Voltage (V)
12
16
22
26
28
30
32
Output Dc Offset vs. Supply Voltage
18
6.2
19.5
20
3.8
5.8
5.4
4.6
3
3.4
5
Out
put
Po
wer
(W
)
Supply Voltage (V)
18.5
19
20.5
21
21.5
22
Output Power vs Supply Voltage
4.2
5
8
10
12
15
R
L
=4
F=1KHz
THD=10%
THD=1%
Vi=0
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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