Datasheet > PA3312G-N24-R

PA3312G-N24-R

更新时间： 2024-02-18 08:02:47

品牌	Logo	应用领域
友顺 - UTC		放大器功率放大器光电二极管商用集成电路
页数	文件大小	规格书
11页	292K
描述
DUAL 2.6W AUDIO POWER AMPLIFIER

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技术参数
数据手册

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PA3312G-N24-R 技术参数

生命周期：	Active	包装说明：	HSOP,
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.33.00.01	风险等级：	5.67
标称带宽：	20 kHz	商用集成电路类型：	AUDIO AMPLIFIER
谐波失真：	5%	JESD-30 代码：	R-PDSO-G24
信道数量：	2	功能数量：	1
端子数量：	24	最高工作温度：	85 °C
最低工作温度：	-40 °C	标称输出功率：	2.6 W
封装主体材料：	PLASTIC/EPOXY	封装代码：	HSOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, HEAT SINK/SLUG
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	4.5 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子位置：	DUAL	Base Number Matches：	1

PA3312G-N24-R 数据手册

UNISONIC TECHNOLOGIES CO., LTD

PA3312

CMOS IC

DUAL 2.6W AUDIO POWER

AMPLIFIER WITH FOUR

SELECTABLE GAIN SETTINGS

AND INPUT-MUX CONTROL



DESCRIPTION

The UTC PA3312 is a monolithic integrated circuit that stereo

bridged audio power amplifiers capable of producing 2.6W into 3Ω

with less than 10% THD+N or 1W into 8Ω with less than 0.65%

THD+N. This device minimizes the number of external components

needed, simplifying the design, and freeing up board space for

other features. Both of the depop circuitry and the thermal

shutdown protection circuitry are integrated in UTC PA3312, that

reduce pops and clicks noise during power up or shutdown mode

operation .

Amplifier gain is internally configured and controlled by way of

two terminals (GAIN0 and GAIN1). BTL gain setting of 6 dB, 10 dB,

15.6dB, 21.6dB (inverting) are provided, whereas SE gain is

always configured as 4.1dB for headphone drive. A MUX control

terminal (HP/LINE) allows selection between the two sets of stereo

input signals. To simplify the audio system design, UTC PA3312

combines a stereo bridge-tied loads (BTL) mode for speaker drive

and a stereo single-end (SE) mode for headphone drive into a

single chip, where both modes are easily switched by the SE/BTL

input control pin signal.



FEATURES

* Low operating current with 10mA

* Compatible with pc 99 desktop line-out into 10KΩ load

* Internal gain control ,which eliminates external gain-setting

resistors

* 2.6w per channel output power into 3Ω at 5V , BTL mode

* Input MUX select terminal

* Pc-beep input

* Improves depop circuitry to eliminate turn-on and turn-off

transients in output

* Fully differential input

www.unisonic.com.tw

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