參數(shù)資料
型號: TDA749213TR
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 50 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
封裝: ROHS COMPLIANT, SSOP-36
文件頁數(shù): 3/32頁
文件大?。?/td> 599K
代理商: TDA749213TR
TDA7492
Characterization curves
Doc ID 14926 Rev 4
11/32
4
Characterization curves
The general test conditions used for producing the characterization curves can be
summarized as follows:
Test board: SZ LAB TDA7492 slug-up demo board
Test frequency: 1 kHz (also 100 Hz for THD vs. output power only)
Output power: 1 W
For 6-
loads
test voltage: 25 V
LC filter: L = 22 H and C = 220 nF
For 8-
loads
test voltage: 25 V
LC filter: L = 33 H and C = 220 nF
For 4-
loads
test voltage: 20 V
LC filter: L = 15 H and C = 470 nF.
Figure 28 on page 22 shows the circuit with which the characterization curves, shown in the
next sections, were measured. Figure 27 on page 21 shows the PCB layout.
4.1
Characterizations for 6-
loads
Figure 3.
Output power vs. supply voltage
Test conditions:
Vcc = 15 - 25 V,
RL = 6
,
Rosc = 39 k
, Cosc = 100 nF,
f = 1 kHz,
Gv = 30 dB,
Tamb = 25
r C
Specification limit:
Typical:
Vs = 25 V, RL = 6
,
Po = 50 W atTHD = 10%,
Po = 40 W atTHD = 1%
3RXW YV 9FF
9FF 9
3R
XW
:
10% THD
1% THD
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TDA7492 50 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
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TDA7492P 功能描述:音頻放大器 50W Mono BTL Class D 10 to 26V 4Select dB RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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