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參數(shù)資料
| 型號： | TDA8924 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 2 x 120 W class-D power amplifier |
| 中文描述： | 2 × 120瓦D類功率放大器 |
| 文件頁數(shù)： | 3/35頁 |
| 文件大小： | 722K |
| 代理商： | TDA8924 |
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2003 Jul 28
3
Philips Semiconductors
Objective specification
2
×
120 W class-D power amplifier
TDA8924
1
FEATURES
High efficiency (
～
90 %)
Operating voltage from
±
12.5 V to
±
30 V
Very low quiescent current
Low distortion
Usable as a stereo Single-Ended (SE) amplifier or as a
mono amplifier in Bridge-Tied Load (BTL)
Fixed gain of 28 dB in SE and 34 dB in BTL
High output power
Good ripple rejection
Internal switching frequency can be overruled by an
external clock
No switch-on or switch-off plop noise
Short-circuit proof across the load and to the supply
lines
Electrostatic discharge protection
Thermally protected.
2
APPLICATIONS
Television sets
Home-sound sets
Multimedia systems
All mains fed audio systems
Car audio (boosters).
3
GENERAL DESCRIPTION
The TDA8924 is a high efficiency class-D audio power
amplifier with very low dissipation. The typical output
power is 2
×
120 W.
The device comes in a HSOP24 power package with a
small internal heatsink. Depending on supply voltage and
load conditions a very small or even no external heatsink
is required. The amplifier operates over a wide supply
voltage range from
±
12.5 V to
±
30 V and consumes a very
low quiescent current.
4
QUICK REFERENCE DATA
Notes
1.
Quiescent current in application; value strongly depends on circuitry connected to the output pin. This also means
that quiescent dissipation of the chip is lower than the V
P
×
I
q
.
Output power is measured indirectly; based on R
DSon
measurement.
2.
5
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
General; V
P
=
±
24 V
V
P
I
q(tot)
η
supply voltage
total quiescent current
efficiency
±
12.5
±
24
100
83
±
30
V
mA
%
no load connected; note 1
P
o
= 240 W BTL mode
Stereo single-ended configuration
P
o
Mono bridge-tied load configuration
output power
R
L
= 2
; THD = 10 %; V
P
=
±
24 V; note 2
120
W
P
o
output power
R
L
= 4
; THD = 10 %; note 2
V
P
=
±
24 V
V
P
=
±
20 V
240
175
W
W
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8924TH
HSOP24
plastic thermal enhanced small outline package; 24 leads; low
stand-off height; heatsink
SOT566-3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA8924TH | 2 x 120 W class-D power amplifier |
| TDA8925 | Power stage 2 x 15 to 25Wclass-D audio amplifier |
| TDA8925J | Power stage 2 x 15 to 25Wclass-D audio amplifier |
| TDA8925ST | Power stage 2 x 15 to 25Wclass-D audio amplifier |
| TDA8939 | Zero dead time Class-D 7.5 A power comparator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA8924TH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2 x 120 W class-D power amplifier |
| TDA8924TH/N2,118 | 功能描述:IC AMP AUDIO PWR 240W D 24HSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機，2-通道（立體聲） 在某負(fù)載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風(fēng)，靜音，短路保護，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| TDA8925 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Power stage 2 x 15 to 25Wclass-D audio amplifier |
| TDA8925J | 制造商:Panasonic Industrial Company 功能描述:IC |
| TDA8925J/N1,112 | 功能描述:IC AMP AUDIO PWR 20W STER 17SIL RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機，2-通道（立體聲） 在某負(fù)載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風(fēng)，靜音，短路保護，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
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