参数资料
型号: TDA749213TR
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 50 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
封装: ROHS COMPLIANT, SSOP-36
文件页数: 2/32页
文件大小: 599K
代理商: TDA749213TR
Electrical specifications
TDA7492
Doc ID 14926 Rev 4
VUVP
Undervoltage protection
threshold
-
--7
V
RdsON
Power transistor on resistance
High side
-
0.2
-
Low side
-
0.2
-
Po
Output power
THD = 10%
-
40
-
W
THD = 1%
-
32
-
Po
Output power
RL = 6 , THD = 10%,
VCC = 25V
-50
-
W
RL = 6 , THD = 1%
VCC = 25V
-40
-
PD
Dissipated power
Po =40W +40 W,
THD = 10%
-8.0
-W
η
Efficiency
Po = 40 W + 40W
80
90
-
%
THD
Total harmonic distortion
Po = 1 W
-
0.1
0.4
%
GV
Closed-loop gain
GAIN0 = L, GAIN1 = L
20.6
21.6
22.6
dB
GAIN0 = L, GAIN1 = H
26.6
27.6
28.6
GAIN0 = H, GAIN1 = L
30.1
31.1
32.1
GAIN0 = H, GAIN1 = H
32.6
33.6
34.6
GV
Gain matching
-
±1
dB
CT
Cross talk
f = 1 kHz
-
50
-
dB
eN
Total input noise
A Curve, GV = 20 dB
-
20
-
V
f = 22 Hz to 22 kHz
-
25
35
SVRR
Supply voltage rejection ratio
fr = 100 Hz, Vr = 0.5 V,
CSVR = 10 F
40
50
-
dB
Tr, Tf
Rise and fall times
-
50
-
ns
fSW
Switching frequency
Internal oscillator
290
310
330
kHz
fSWR
Output switching frequency
Range
With internal oscillator (1)
250
-
400
kHz
With external oscillator (2) 250
-
400
VinH
Digital input high (H)
-
2.3
-
V
VinL
Digital input low (L)
-
0.8
AMUTE
Mute attenuation
VMUTE = 1 V
60
80
-
dB
1.
fSW = 10
6 / ((16 * R
OSC + 182) * 4) kHz, fSYNCLK = 2 * fSW with R3 = 39 k (see Figure 28.).
2.
fSW = fSYNCLK / 2 with the frequency of the external oscillator.
Table 5.
Electrical specifications (continued)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
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TDA7492 50 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
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