參數(shù)資料
型號(hào): TDA7490SA
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PZIP19
封裝: ROHS COMPLIANT, CLIPWATT-19
文件頁數(shù): 10/13頁
文件大?。?/td> 183K
代理商: TDA7490SA
Obsolete
Product(s)
- Obsolete
Product(s)
2 Electrical characteristcs
TDA7490SA
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
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 = ±13.5V; RL = 8;
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
0.02
0.05
0.1
0.2
0.5
1
2
5
THD(%)
100m
20
200m
500m
1
2
5
10
Pout(W)
Vs=27V
Rl =8ohm
F=1KHz
0
14
2
4
6
8
10
12
Po(W)
+14
+30
+16
+18
+20
+22
+24
+26
+28
Vs(V)
Rl =8ohm
f =1KHz
THD=1%
THD=10%
相關(guān)PDF資料
PDF描述
TDA7491HV 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
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