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参数资料
| 型号： | LA4302T |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 4 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| 封装： | 0.225 INCH, TSSOP-20 |
| 文件页数： | 1/12页 |
| 文件大小： | 178K |
| 代理商： | LA4302T |
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'sproductsor
equipment.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
91708 MS JK/91603TN (OT) No.7462-1/12
LA4302T
Overview
The LA4302T is a power amplifier IC that is designed for desktop PCs and applications that use a 4-layer (copper
foil) circuit board. It is provided in an ultraminiature package (TSSOP20J) that includes heat dissipation pad.
This IC supports both single-channel high-power (BTL) operation and single ended (SE) stereo operation. These operating
modes are controlled with an electronic switch. This product also supports the use of a common circuit board in multiple
products.
Features
Ultraminiature package (TSSOP20J) : Can be surface mounted on a 4-layer circuit board and requires no heat sink.
PO = 8.5W×1 channel (VCC = 12V, RL = 8, THD = 10% : BTL operation)
PO = 4W×2 channels (VCC = 12V, RL = 4, THD = 10% : SE operation)
Built-in electronic switch for switching between BTL and SE operation
Full complement of built-in protection circuits, including circuits that protect against shorting to the power supply,
shorting to ground, load shorting, and overheating.
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
No signal
18
V
Maximum output current
IO peak
Per channel
1.5
A
Allowable power dissipation
Pd max
When mounted on the Sanyo circuit board*
5.3
W
Operating temperature
Topr
-20 to +75
°C
Storage temperature
Tstg
-40 to +150
°C
* : Dimensions : 114.3
×76.1×1.6mm3, Material : 4-layer glass epoxy printed circuit board
Inner copper foil layers : 74
×67mm, back surface copper foil : 30% of the circuit board area, with 15 through holes in the IC heat dissipation pad area for
connection to the layers.
Monolithic Linear IC
For Desktop PCs
8.5W
×1 (BTL) or 4W×2 (SE)
Audio Frequency Power Amplifier
Ordering number : EN7462A
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相关代理商/技术参数 |
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