參數(shù)資料
型號: TDA749313TR
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24
封裝: ROHS COMPLIANT, MO-153ADT, SSOP-24
文件頁數(shù): 2/30頁
文件大?。?/td> 863K
代理商: TDA749313TR
Electrical specifications
TDA7493
10/30
Doc ID 14570 Rev 5
THD
Total harmonic distortion RL = 4 , Po = 0.5 W
-
0.05
-
%
Tj
Thermal shut-down
junction temperature
--
150
-
°C
GV
Closed loop gain
GAIN0 = low
GAIN1 = low
-
6.0
-
dB
GAIN1 = high -
12.0
-
GAIN0 = high
GAIN1 = low
-
15.6
-
GAIN1 = high -
18.0
-
GV
Gain matching
-
-1
-
1
dB
CT
Crosstalk
f = 1 kHz
-
60
-
dB
eN
Total output noise
A curve, Gv = 18 dB
-
50
-
V
f = 22 Hz to 22 kHz,
Gv = 18 dB
-60
-
V
Ri
Input resistance
Differential Input
-
60
-
k
SVRR
Supply voltage rejection
ratio
fr = 100 Hz, Vr = 0.5 V,
CSVR =1 F
-55
-
dB
VOVP
Overvoltage protection
threshold
--
5.8
-
V
tr, tf
Rising and falling time
-
10
-
ns
RDSON
Power transistor on
resistance
High side
-
0.44
-
Low side
-
0.36
-
fSW
Switching frequency
Internal oscillator
-
315
-
kHz
fSWR
Output switching
frequency range
With internal oscillator (1)
250
-
400
kHz
With external oscillator (2)
250
-
400
kHz
IqSTANDBY
Quiescent current in
standby
--
1
-
A
Function
mode
Standby and play
STANDBY = high
Play
-
STANDBY = low
Standby
Digital
inputs
Digital input thresholds
High
0.7 *
VCC
--V
Low
-
0.3 *
VCC
V
1.
fSW = 10
6 / (R
OSC * 64 + 840)
fSYNC = 2 * fSW with R1 = 39 k and fSW in kHz
2.
fSW = fSYNC / 2 with the frequency of external oscillator
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
相關(guān)PDF資料
PDF描述
TDA7493 3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24
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