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參數(shù)資料
| 型號： | TDA8944AJ |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 7 W, 2 CHANNEL, AUDIO AMPLIFIER, PZIP17 |
| 封裝： | PLASTIC, DIL-BENT-SIL, 17 PIN |
| 文件頁數(shù)： | 19/20頁 |
| 文件大?。?/td> | 376K |
| 代理商： | TDA8944AJ |
Philips Semiconductors
TDA8944AJ
2 x 7 W BTL audio amplier with DC gain control
Product data
Rev. 01 — 01 March 2002
8 of 20
9397 750 09433
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
11. Static characteristics
[1]
With a load connected at the outputs the quiescent current will increase, the maximum of this increase being equal to the differential
output voltage offset
(V
OUT) divided by the load resistance (RL).
[2]
The DC output voltage with respect to ground is approximately 0.5VCC.
[3]
V
OUT = VOUT+ VOUT
.
Table 7:
Static characteristics
VCC =12V; Tamb =25 °C; RL =8 ; VMODE =0V; Vi = 0 V; measured in test circuit Figure 15; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VCC
supply voltage
operating
4.5
12
18
V
Iq
quiescent supply current
RL = ∞
[1] -40
50
mA
Istb
standby supply current
VMODE =VCC
--10
A
VO
DC output voltage
[2] -6
-V
VOUT[3]
differential output voltage
offset
-
170
mV
VMODE
mode selection input voltage operating mode
0
-
1.0
V
mute mode
3.5
-
VCC 1.5
V
standby mode
VCC 0.5
-
VCC
V
IMODE
mode selection input current 0 < VMODE <VCC
--20
A
VGC
gain control voltage (pin GC) pin GC not connected
-
2.75
-
V
IGC
current into pin GC
VGC = 0 V
-
600
-
A
VCC =12V
Fig 4.
Quiescent current as function of supply
voltage.
Fig 5.
Quiescent current as function of mode voltage.
handbook, halfpage
Iq
(mA)
012
416
20
VCC (V)
8
0
50
30
40
10
20
MGW590
handbook, halfpage
Iq
(mA)
012
416
20
VMODE (V)
8
0
50
30
40
10
20
MGW591
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TDA8944AJ/N2,112 | 功能描述:音頻放大器 2X6W AUDIO AMP. + VOL. CONTROL 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 |
| TDA8944J | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2 x 7 W stereo Bridge Tied Load BTL audio amplifier |
| TDA8944J/N1 | 制造商:NXP Semiconductors 功能描述:AMP AUDIO PWR 7W STER 17SIL |
| TDA8944J/N1,112 | 功能描述:音頻放大器 7 WATT STEREO AMP 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 |
| TDA8944J/N1112 | 制造商:NXP Semiconductors 功能描述:IC AUDIO AMP AB 7W SIP-17 |
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