TDA7491P STMicroelectronics, TDA7491P Datasheet - Page 11

• Manufacturer Part Number: TDA7491P
• Description: IC, AMP, AUDIO, CLASS D, 36POWERSO
• Manufacturer: STMicroelectronics

Specifications of TDA7491P

• Amplifier Class: D
• No. Of Channels: 2
• Output Power: 10W
• Supply Voltage Range: 5V To 18V
• Thd + N: 0.1% @ 1W, 6ohm, VCC=11V
• Load Impedance: 8ohm
• Operating Temperature Range: 0°C To +70°C
• Rohs Compliant: Yes

TDA7491P
Table 5.
1. f
2. f
V
R
P
P
P
η
THD
G
∆G
CT
eN
SVRR
T
f
f
V
V
A
Function
mode
Symbol
SW
SWR
r
o
o
UVP
D
inH
inL
MUTE
dsON
, T
V
V
SW
SW
f
= 10
= f
SYNCLK
6
Undervoltage protection
threshold
Power transistor on resistance
Output power
Output power
Dissipated power
Efficiency
Total harmonic distortion
Closed loop gain
Gain matching
Cross talk
Total input noise
Supply voltage rejection ratio
Rise and fall times
Switching frequency
Output switching frequency
Digital input high (H)
Digital input low (L)
Mute attenuation
Standby, mute and play modes
/ ((16 * R
Electrical specifications (continued)
/ 2 with the frequency of the external oscillator.
OSC
Parameter
+ 182) * 4) kHz, f
Doc ID 13540 Rev 4
SYNCLK
-
High side
Low side
THD = 10%
THD = 1%
R
V
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
A Curve, G
f = 22 Hz to 22 kHz
fr = 100 Hz, Vr = 0.5 V,
C
-
Internal oscillator
With internal oscillator
With external oscillator
-
V
V
V
V
V
V
= 2 * f
o
o
o
STBY
STBY
MUTE
STBY
MUTE
CC
CC
MUTE
L
L
SVR
= 10 W + 10 W,
= 10 W + 10 W
= 1 W
= 8 Ω, THD = 10%
= 8 Ω, THD = 1%
= 12 V
= 12 V
= 10 µF
SW
< 0.5 V, V
> 2.5 V,
> 2.5 V,
< 0.8 V
> 2.5 V
= 1 V
Condition
with R3 = 39 kΩ (see
V
= 20 dB
MUTE
= X Standby
(1)
(2)
Electrical specifications
-
-
-
-
-
-
80
-
28
30
-
-
-
40
290
250
250
2.3
Mute
Play
-
-
18
24
-1
-
-
60
Min
Figure
-
0.2
0.2
10
8.0
9.5
7.2
2.0
90
0.1
20
26
30
32
-
50
20
25
50
50
310
-
-
-
-
80
49.).
Typ
4
-
-
-
-
-
-
-
-
0.2
22
28
32
34
1
-
-
35
-
-
330
-
-
-
0.8
-
Max
V
Ω
W
W
W
%
%
dB
dB
dB
µV
dB
ns
kHz
kHz
V
dB
-
-
-
Unit
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