ELECTRICAL CHARACTERISTICS
(Refer to the test and application circuit, V
S
= 26V; R
L
= 8
Ω;
G
v
= 30dB; f = 1KHz; T
amb
= 25
°
C unless otherwise specified.)
Symbol Parameter Test Condition Min. Typ. Max. Unit
V
S
Supply Voltage 10 32 V
V
O
Quiescent Output Voltage 12.5 V
I
q
Total Quiescent Current 40 mA
P
O
Output Power d = 10%
d = 1%
810
8
W
W
d Total Harmonic Distortion P
O
= 1W 0.03 %
R
I
Input Resistance 100 200 KΩ
f
L
Low Frequency Roll-off (-3dB) 40 Hz
f
H
High Frequency Roll-off (-3dB) 80 KHz
e
N
Total Input Noise Voltage A Curve; R
S
= 10KΩ 2mV
f = 22Hz to 22KHz; R
S
= 10KΩ 2.5 10 µV
SVR Supply Voltage Rejection R
S
= 10KΩ; f = 100Hz; Vr = 0.5V 60 dB
VT
MUTE
Mute Threshold 0.8 V
VT
PLAY
Play Threshold 5 V
A
M
Mute Attenuation 80 100 dB
I
qMUTE
Quiescent Current Mute 7 10 mA
Note:
to avoid pop-on noise
C
F
C
SVR
≤
1
Figure 1:
Output Power vs. Supply Voltage
8 12 16 20 24 28 Vs(V)
D94AU131
20
25
30
35
40
45
Iq
(mA)
Figure 2:
Quiescent Current vs. Supply Voltage
THERMAL DATA
Symbol Parameter Value Unit
R
th j-case
Thermal resistance junction to case Max 3 °C/W
TDA7253
3/5
Obsolete Product(s) - Obsolete Product(s)
