參數(shù)資料
型號(hào): TDA7490LSA
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM19
封裝: LEAD FREE, CLIPWATT-19
文件頁(yè)數(shù): 10/13頁(yè)
文件大?。?/td> 198K
代理商: TDA7490LSA
Obsolete
Product(s)
- Obsolete
Product(s)
2 Electrical characteristcs
TDA7490LSA
6/13
Note: 1 : PO = measured across the load using the following inductor: SUMIDA RCH-108-330K
2 : Fsw =
with R1 in K
; Fsw in KHz R1
3 : Fsw =
with Fext, the frequency of the external oscillator
FSW
Switching Frequency
Internal Oscillator
180
200
220
KHz
FSWR
Output Switching Frequency
Range
with Internal Oscillator (2)
140
250
KHz
with external Oscillator (3)
100
250
KHz
MUTE & STAND-BY FUNCTIONS
VST-BY
Stand-by range
0
0.7
V
VMUTE
Mute Range
1.7
2.5
V
VPLAY
Play Range
4
5
V
AMUTE
Mute Attenuation
60
dB
IqST-BY
Quiescent Current @ Stand-by
1.5
2
mA
Figure 3.
distortion vs output power
Figure 4.
output power vs supply voltage
(single)
Table 3.
electrical characteristcs (Refer to the test circuit, VCC = ±14.5V; RL = 6;
Demod. filter L = 33
H, C = 220nF; f = 1KHz; R1 = 27k; T
amb = 25°C unless otherwise
specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
4810
R1
-------------
23
+
Fsw
1
4
---
F
est
=
0.01
10
0.1
1
100m
10
200m
500m
1
2
5
THD(%)
Pout(W)
Vs=+/- 13.5V
Rl =8ohm
F=1KHz
0
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
+14
+30
+16
+18
+20
+22
+24
+26
+28
Vsupply (V)
Pout (W)
Rload=8 ohm
f = 1KHz
THD= 10%
THD= 1%
0
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
+14
+30
+16
+18
+20
+22
+24
+26
+28
Vsupply (V)
Pout (W)
Rload=8 ohm
f = 1KHz
THD= 10%
THD= 1%
相關(guān)PDF資料
PDF描述
TDA7490L 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM25
TDA7490SA 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PZIP19
TDA7491HV 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
TDA7491HV13TR 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
TDA7491LP13TR 5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
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