Datasheet > AD8256A

AD8256A

更新时间： 2024-01-16 09:00:20

品牌	Logo	应用领域
晶豪 - ESMT		驱动器音频放大器
页数	文件大小	规格书
4页	315K
描述
2x16W Stereo Digital Audio Amplifier with Headphone Driver

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技术参数
数据手册

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AD8256A 技术参数

生命周期：	Contact Manufacturer	零件包装代码：	QFP
包装说明：	HQFP,	针数：	48
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.69
商用集成电路类型：	VOLUME CONTROL CIRCUIT	JESD-30 代码：	S-PQFP-G48
频带数量：	5	信道数量：	2
功能数量：	1	端子数量：	48
封装主体材料：	PLASTIC/EPOXY	封装代码：	HQFP
封装形状：	SQUARE	封装形式：	FLATPACK, HEAT SINK/SLUG
认证状态：	Not Qualified	最大供电电压 (Vsup)：	3.3 V
最小供电电压 (Vsup)：	3 V	表面贴装：	YES
端子形式：	GULL WING	端子位置：	QUAD
Base Number Matches：	1

AD8256A 数据手册

ESMT

AD8256A

RA2

GNDR2

RB2

Right channel output2 (+)

Ground2 for right channel

Right channel output2 (-)

Supply2 for right channel B

Reset, low active

23 VDDRB2

(Note2)

Schmitt trigger TTL input buffer

Open-drain output

Reset

Power down, low active

ERROR output

I²C select address 0

I²C select address 1

I²C serial clock input

ERROR

SA0

Schmitt trigger TTL input buffer

Schmitt trigger TTL input buffer with

open-drain output

SA1

SCL

SDA

I²C serial data input

DEF

PWMSA

AVDD

AGND

HPR

Default volume, 0=Mute, 1=Un-Mute

Half-bridge, sub-woofer channel output

Analog supply

Schmitt trigger TTL input buffer

TTL output buffer

(Note1)

Analog ground

Headphone right channel output

Headphone left channel output

Headphone detection

HPL

HP-SPK

VDDLB2

LB2

Supply2 for left channel B

Left channel output2 (-)

Ground2 for left channel

Left channel output2 (+)

Supply2 for left channel A

Supply1 for left channel A

Left channel output1 (+)

Ground1 for left channel

Left channel output1 (-)

Supply1 for left channel B

PLL Bypass

(Note2)

GNDL2

LA2

VDDLA2

VDDLA1

LA1

(Note2)

GNDL1

LB1

VDDLB1

(Note2)

48 PLL_Byp

Schmitt trigger TTL input buffer

Note1：These pins provide the supply for digital PWM controller, headphone drivers, built-in PLL and

protection circuits except for loudspeaker short-circuit protection circuits.

Note2：These pins provide the supply for loudspeaker driver stages, which are known as “PVDD”.

Elite Semiconductor Memory Technology Inc.

Publication Date: May. 2007

Revision: 1.3 3/33

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