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參數(shù)資料
| 型號(hào)： | EV7782DF-00A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Mono Bridged Audio Amplifier |
| 中文描述： | 單聲道橋接音頻放大器 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 367K |
| 代理商： | EV7782DF-00A |
The Future of Analog IC Technology
MP7782
50W Class D
Mono Bridged Audio Amplifier
MP7782 Rev. 1.2
8/3/2005
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2005 MPS. All Rights Reserved.
TM
TM
DESCRIPTION
The MP7782 is a mono, 50W Class D Audio
Amplifier. It is one of MPS’ second generation
fully
integrated
audio
dramatically reduces solution size by integrating
four 180m
power MOSFETs in a space saving
TSSOP20 package. The MP7782 utilizes a full
bridge output structure capable of delivering
50W into 6
speakers. As in all other MPS
Class D audio amplifiers, this device exhibits
the high fidelity of a Class AB amplifier with an
efficiency of 90%. The circuit is based on
ADAM
TM
(Analog Digital Adaptive Modulation),
MPS’ proprietary variable frequency modulation
topology
(patents
pending)
excellent PSRR, fast response time and
operates on a single power supply.
amplifiers
which
that
delivers
EVALUATION BOARD REFERENCE
Board Number
EV7782DF-00A
Dimensions
4.0”X x 3.5”Y x 1.0”Z
FEATURES
50W into 6
with V
DD
= 24V @10% THD+N
90% Efficiency at 50W
Amplifies Full Audio Range with Low THD+N
THD+N = 0.06% @ 1W
9.5V to 24V Supply Voltage Operation
Full Bridge Output Drive
4 Integrated 180m
Switches
Turn-On / Turn-Off Click and Pop Suppression
Integrated Short Circuit Protection
Integrated Thermal Shutdown
Mute / Standby Mode
Thermally
Enhanced
Package with Exposed Pad
APPLICATIONS
MP3 Systems
Surround Sound Systems
Multimedia Computers
Televisions
Home Stereos
DVD and VCD Players
Game Devices and Systems
Subwoofers
20-Pin
TSSOP
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
ADAM (Analog Digital Adaptive Modulation) is a Trademark of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
MP7782
NC
FB2
FB1
AGND
NC
EN
FB2
FB1
AGND
EN
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
PGND1
SW1
VDD1
BS1
NC
PGND2
SW2
VDD2
BS2
NC
AUDIO IN
GND
+
V
DD
EN
-
+
OFF ON
MP7782-TAC01
100
10
1
0.1
0.01
T
0.1
1
10
100
OUTPUT POWER (W)
MP7782-EC01
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