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HCA125ACREF の電気的特性と機能

HCA125ACREFのメーカーはIntersil Corporationです、この部品の機能は「125/220 Watt Full Bandwidth Class D Amplifier」です。


製品の詳細 ( Datasheet PDF )

部品番号 HCA125ACREF
部品説明 125/220 Watt Full Bandwidth Class D Amplifier
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 




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HCA125ACREF Datasheet, HCA125ACREF PDF,ピン配置, 機能
Data Sheet
HCA125ACREF
February 1999 File Number 4588.2
125/220 Watt Full Bandwidth Class D
Amplifier
The HCA125ACREF reference
design delivers 125W RMS
power into a 8load and 220
watts into a 4load. Since the
efficiency is greater than 90%, no expensive, bulky heatsinks
are required.
The design is part of Intersil’s Cool Audio program that
supports customers to achieve a minimum time-to-market for
audio end products. As part of this program, this design is
offered after execution of a Licensing Agreement. At that
time, Intersil provides to the licensee a documentation
package containing: 1) Circuit Description, 2) Schematics, 3)
Test and Manufacturing Information, 4) A Bill of Materials
with all vendors and vendor part numbers, 5) Intersil’s
Engineering Support Contacts, 6) and One Evaluation Unit.
For more information, see us on the web, home page
http://www.intersil.com. For technical assistance, call Central
Applications at 1-800-442-7747, or email us at
Ordering Information
Contact Intersil licensing agents, Continental Far East or
International Operations. See contact information provided
in this document.
Reference Design Block Diagram
Features
• 125 Watts RMS Power into 8
• 220 Watts RMS Power into 4
• THD <0.07% at 1kHz and 110W into 8
• SNR 110dB Relative to Full Power
• Output Noise, 10Hz to 22kHz . . . . . . . . . . . . . . . . . 110µV
• Constant Group Delay
• DC to 80kHz Small Signal Bandwidth
• Power Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . 28kHz
• Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8V/µs
• Efficiency >90% at 100W into 8
• Meets FCC and EN55013 Requirements for EMC
• Based On the Intersil HCA8001, Audio Specific IC
• Modular Design
• Differential Input
• Over-Current, Over-Voltage and Thermal Protection
• Soft Clipping
• Bridgeable up to 800W
Applications
• Powered Speakers
• Professional Audio
• Home Theater
• Hi-Fi Stereo
DVD
CD
PLAYER PLAYER
PRE-AMPLIFIER
HCA125ACREF
HCA125ACREF
172.7MM (6.8” )
HCA125ACREF
HCA125ACREF
HCA125ACREF
HCA125ACREF
TUNER, PRE-AMPLIFIER
DOLBY™ DIGITAL DECODER
DISPLAY DRIVERS
HCA8001
POWER
SUPPLY
HEATSINK / EMI SHIELD
FETS AND DIODES
HCA8001
27.9MM (1.1” )
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Coolaudio™ is a trademark of Intersil Corporation. Dolby™ is a registered trademark of Dolby Laboratories, Inc.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999

1 Page





HCA125ACREF pdf, ピン配列
HCA125ACREF
Electrical Specifications
PARAMETER
RLOAD = 8, VBUS = 60V, Supply Source Resistance < 2.5, Storage Capacitor > 22,000µF,
12VFLT = 12V Floating Bias Supply (Continued)
TA = 25oC
SYMBOL
TEST CONDITIONS
TYP
UNITS
Cutoff Frequency, Referenced to 1kHz
20kHz Response, Referenced to 1kHz
Power Bandwidth
Slew Rate
FUPPER4
FR at 20kHz
PBW
SR
-3dB, RLOAD = 4at 10W Output
Output at 20kHz and 10W, RLOAD = 8
Maximum Frequency for Full Power RLOAD = 8
Maximum rate of change of the output voltage.
80 kHz
-0.4 dB
28 kHz
8 V/µs
Maximum Switching Ripple on Output
Input Gain
FPWM
AV
Full Output Power, RLOAD = 8
Either inverting or non inverting input. Unused
input returned to analog ground.
4.0 V
26 dB
Input Impedance, Inverting Input
Input Impedance, Non Inverting Input
Output Signal Phasing
Over Temperature Shut Down
Over Temperature Hysteresis
RIN-
RIN+
Phasing
OTSD
OTH
Differential amplifier input, other input grounded.
Differential amplifier input, other input grounded.
Positive going signal on non inverting input
results in negative going amplifier output.
Rising temperature to shutdown amplifier.
Set by an external thermistor.
Difference between rising and falling temperature
shut down and start up points.
5 k
10 k
180 Degrees
110 oC
10 oC
Amplifier Output Current Limit
Amplifier Output Current Limit Time
(Note 2)
IL Absolute Value
TIL Time the amplifier must be in current limiting before
shutdown.
8
50
A
ms
NOTES:
1. At this power level, the soft clipping circuitry is beginning to activate. It functions to “round off” peaks rather than hard limit as in most linear am-
plifiers. This helps to give this amplifier a pleasing sound during limiting. Moreover, this feature also makes the amplifier “sound louder”.
2. This time allows the amplifier to reproduce large, sustained peaks without shutting down, yet is adequate to protect the amplifier output from
shorted speaker lines.
-+
I IE
A
G
N
P
A
G
N
P
A
G
N
A
B
F
NUN UN LA
DTD TDEN
+ BUS 12VFLT - BUS
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36
PWR GND
CS
LF
C
PWR GND
L
TOP SIDE
SOLDER POST SIDE OF BOARD CONNECTOR
BOTTOM SIDE
FIGURE 1. PC BOARD CONNECTOR SHOWN FROM THE BACK SIDE, LOOKING TOWARD THE HCA125ACREF BOARD
3


3Pages


HCA125ACREF 電子部品, 半導体
HCA125ACREF
Full Size Outline of HCA125ACREF Board
TOP VIEW
S
GND
F
CC
GND
LL
36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2
35 33 31 29 27 25 23 21 19 17 15 13 11 9 7 5 3 1
- BUS 12VFLT + BUS
FEA+ A - A
ANG I G I G
NANN NNN
BDP DPD
LUU
ETT
PC BOARD CONNECTIONS SHOWN
FROM THE TOP OR COMPONENT SIDE
BOTTOM SIDE
TOP SIDE
CONNECTOR IS AMP 530843-3
OR CINCH 50-18SN-12
CONTACTS ON THESE CONNECTORS
HAVE GOLD INTERFACE
TOP VIEW
NOTE: The + and - terminals indicate
phasing of the input operational amplifier and
not signal phasing of the amplifier input to
output. The signal from the amplifier input is
180 degrees out of phase with this
nomenclature. Therefore, a positive going
signal on the + input will result in a negative
going signal on the output. Conversely, a
positive going input on the - input will result in
a positive going output signal
OUT-
76.2MM (3” )
OUT+
6

6 Page



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部品番号部品説明メーカ
HCA125ACREF

125/220 Watt Full Bandwidth Class D Amplifier

Intersil Corporation
Intersil Corporation


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