tda7498l STMicroelectronics, tda7498l Datasheet - Page 9

• Manufacturer Part Number: tda7498l
• Description: 80 W + 80 W Dual Btl Class-d Audio Amplifier
• Manufacturer: STMicroelectronics

TDA7498L
3.4
Electrical specifications
Unless otherwise stated, the results in
V
Tamb = 25 °C.
Table 6.
I
I
V
I
T
R
V
V
R
P
P
P
η
THD
G
∆G
CT
eN
SVRR
T
Symbol
q
qSTBY
OCP
CC
r
jS
o
o
OS
OVP
UVP
D
i
dsON
, T
V
V
f
= 32 V, R
Total quiescent current
Quiescent current in standby
Output offset voltage
Overcurrent protection threshold R
Junction temperature at thermal
shutdown
Input resistance
Overvoltage protection threshold -
Undervoltage protection
threshold
Power transistor on resistance
Output power
Output power
Dissipated power
Efficiency
Total harmonic distortion
Closed-loop gain
Gain matching
Crosstalk
Total input noise
Supply voltage rejection ratio
Rise and fall times
Electrical specifications
L
(load) = 6 Ω, R
Parameter
Doc ID 16504 Rev 1
OSC
= R3 = 39 kΩ, C8 = 100 nF, f = 1 kHz, G
Table 6
No LC filter, no load
-
Play mode
Mute mode
-
Differential input
-
High side
Low side
THD = 10%
THD = 1%
R
V
P
THD = 10%
P
P
GAIN0 = L, GAIN1 = L
GAIN0 = L, GAIN1 = H
GAIN0 = H, GAIN1 = L
GAIN0 = H, GAIN1 = H
-
f = 1 kHz, P
A Curve, G
f = 22 Hz to 22 kHz
fr = 100 Hz, Vr = 0.5 Vpp,
C
-
o
o
o
CC
L
L
SVR
= 80 W + 80 W,
= 80 W + 80W
= 1 W
= 0 Ω
= 8 Ω, THD = 10%,
= 32V
below are given for the conditions:
= 10 µF
Condition
V
o
= 20 dB
= 1 W
Electrical specifications
-100
-60
5.0
-
48
42
-
-
-
-
-
-
-
36.6
50
-
-
-
-
-
-
-
24.6
30.6
34.1
-1
-
Min
40
1
-
-
6.0
150
60
43
-
0.2
0.2
80
65
75
16
90
0.1
25.6
31.6
35.1
37.6
-
70
15
25
70
50
Typ
V
= 25.6 dB and
60
10
100
60
-
-
-
-
8
-
-
-
-
-
-
-
-
26.6
32.6
36.1
38.6
1
-
-
50
-
-
Max
mA
mV
A
°C
kΩ
V
V
Ω
W
W
W
%
%
dB
dB
dB
µV
dB
ns
µA
Unit
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