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參數資料
| 型號： | TDA8944 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 2 x 7 W stereo Bridge Tied Load BTL audio amplifier |
| 中文描述： | 2 × 7 W立體聲橋接負載橋接音頻放大器 |
| 文件頁數： | 1/21頁 |
| 文件大?。?/td> | 580K |
| 代理商： | TDA8944 |
TDA8944J
2 x 7 W stereo Bridge Tied Load (BTL) audio amplifier
Rev. 02 — 14 February 2000
Product specification
c
c
1.
General description
The TDA8944J is a dual-channel audio power amplifier with an output power of
2
×
7 W at an 8
load and a 12 V supply. The circuit contains two Bridge Tied Load
(BTL) amplifiers with an all-NPN output stage and standby/mute logic. The TDA8944J
comes in a 17-pin DIL-bent-SIL (DBS) power package. The TDA8944J is
printed-circuit board (PCB) compatible with all other types in the TDA894x family.
One PCB footprint accommodates both the mono and the stereo products.
2.
Features
I
Few external components
I
Fixed gain
I
Standby and mute mode
I
No on/off switching plops
I
Low standby current
I
High supply voltage ripple rejection
I
Outputs short-circuit protected to ground, supply and across the load
I
Thermally protected
I
Printed-circuit board compatible.
3.
Applications
I
Mains fed applications (e.g. TV sound)
I
PC audio
I
Portable audio.
4.
Quick reference data
Table 1:
Symbol Parameter
V
CC
supply voltage
I
q
quiescent supply current
I
stb
standby supply current
Quick reference data
Conditions
Min
6
-
-
Typ
12
24
-
Max
18
36
10
Unit
V
mA
μ
A
V
CC
= 12 V; R
L
=
∞
相關PDF資料 |
PDF描述 |
|---|---|
| TDA8944J | 2 x 7 W stereo Bridge Tied Load (BTL) audio amplifier(2 x 7W立體聲BTL音頻放大器) |
| TDA8945S | 15 W mono Bridge Tied Load (BTL) audio amplifier(15 W單聲道BTL音頻放大器) |
| TDA8945 | 15 W mono Bridge Tied Load BTL audio amplifier |
| TDA8947J | 4-channel audio amplifier (SE: 1 W to 25 W; BTL: 4 W to 50 W) |
| TDA8960 | ATSC 8-VSB Demodulator And Decoder(ATSC 8-VSB 解調器和譯碼器) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TDA8944AJ | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2 x 7 W BTL audio amplifier with DC gain control |
| TDA8944AJ/N2,112 | 功能描述:音頻放大器 2X6W AUDIO AMP. + VOL. CONTROL RoHS:否 制造商:STMicroelectronics 產品: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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