TDA7492 STMicroelectronics, TDA7492 Datasheet - Page 10

• Manufacturer Part Number: TDA7492
• Description: IC, AMP, AUDIO, CLASS D, 36POWERSO
• Manufacturer: STMicroelectronics

Specifications of TDA7492

• Amplifier Class: D
• No. Of Channels: 2
• Supply Voltage Range: 8V To 26V
• Load Impedance: 8ohm
• Operating Temperature Range: 0°C To +70°C
• Amplifier Case Style: PowerSO
• No. Of Pins: 36
• Svhc: No SVHC
• Output Power: 40W
• Thd + N: 0.1% @ 1W, 8ohm, VCC=25V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical specifications
10/32
Table 5.
1. f
2. f
V
R
P
P
P
η
THD
G
∆G
CT
eN
SVRR
T
f
f
V
V
A
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
Range
Digital input high (H)
Digital input low (L)
Mute attenuation
/ ((16 * R
Electrical specifications (continued)
/ 2 with the frequency of the external oscillator.
OSC
Parameter
+ 182) * 4) kHz, f
Doc ID 14926 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
= 2 * f
o
o
o
CC
CC
MUTE
L
L
SVR
=40W +40 W,
= 40 W + 40W
= 1 W
= 6 Ω, THD = 10%,
= 6 Ω, THD = 1%
= 25V
= 25V
= 10 µF
SW
= 1 V
Condition
with R3 = 39 kΩ (see
V
= 20 dB
(1)
(2)
-
-
-
-
-
-
-
-
-
-
40
290
250
250
2.3
-
-
80
20.6
26.6
30.1
32.6
-
-
-
60
Min
Figure
-
0.2
0.2
40
32
50
40
8.0
90
0.1
21.6
27.6
31.1
33.6
-
50
20
25
50
50
310
-
-
-
-
80
28.).
Typ
7
-
-
-
-
-
-
-
-
0.4
22.6
28.6
32.1
34.6
±1
-
-
35
-
-
330
400
400
-
0.8
-
Max
TDA7492
V
Ω
W
W
W
%
%
dB
dB
dB
µV
dB
ns
kHz
kHz
V
dB
Unit