Datasheet > MAX9725BETC+T

MAX9725BETC+T

更新时间： 2024-11-03 19:58:59

品牌	Logo	应用领域
美信 - MAXIM		放大器信息通信管理商用集成电路
页数	文件大小	规格书
17页	325K
描述
Audio Amplifier, 0.025W, 2 Channel(s), 1 Func, BICMOS, 4 X 4 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, MO-220-WGGB, TQFN-12

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MAX9725BETC+T 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFN
包装说明：	HVQCCN, LCC12,.16SQ,32	针数：	12
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.33.00.01	风险等级：	5.09
标称带宽：	22 kHz	商用集成电路类型：	AUDIO AMPLIFIER
JESD-30 代码：	S-XQCC-N12	JESD-609代码：	e3
长度：	4 mm	湿度敏感等级：	1
信道数量：	2	功能数量：	1
端子数量：	12	最高工作温度：	85 °C
最低工作温度：	-40 °C	标称输出功率：	0.025 W
封装主体材料：	UNSPECIFIED	封装代码：	HVQCCN
封装等效代码：	LCC12,.16SQ,32	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	260
电源：	1.5 V	认证状态：	Not Qualified
座面最大高度：	0.8 mm	子类别：	Audio/Video Amplifiers
最大压摆率：	3.3 mA	最大供电电压 (Vsup)：	1.8 V
最小供电电压 (Vsup)：	0.9 V	表面贴装：	YES
技术：	BICMOS	温度等级：	INDUSTRIAL
端子面层：	MATTE TIN	端子形式：	NO LEAD
端子节距：	0.8 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	4 mm
Base Number Matches：	1

MAX9725BETC+T 数据手册

19-3465; Rev 4; 3/09

1V, Low-Power, DirectDrive, Stereo Headphone

Amplifier with Shutdown

MAX9725

General Description

Features

♦ Low Quiescent Current

2.1mA (MAX9725A–MAX9725D)

2.3mA (MAX9725E)

The MAX9725A–MAX9725D fixed-gain, stereo head-

phone amplifiers are ideal for portable equipment where

board space is at a premium. The MAX9725E offers the

flexibility to adjust the gain with external input and feed-

back resistors. The MAX9725A–MAX9725E use a unique

DirectDrive architecture to produce a ground-referenced

output from a single supply, eliminating the need for large

DC-blocking capacitors, saving cost, board space, and

component height. Fixed gains of -2V/V (MAX9725A),

-1.5V/V (MAX9725B), -1V/V (MAX9725C), and -4V/V

(MAX9725D) further reduce external component count.

The adjustable gain of the MAX9725E DirectDrive head-

phone amplifier allows for any gain down to -1V/V using

external resistors.

♦ Single-Cell, 0.9V to 1.8V Single-Supply Operation

♦ Fixed Gain Eliminates External Feedback Network

MAX9725A: -2V/V

MAX9725B: -1.5V/V

MAX9725C: -1V/V

MAX9725D: -4V/V

♦ Adjustable Gain with External Input and Feedback

Resistors

MAX9725E: Minimum Stable Gain of -1V/V

♦ Ground-Referenced Outputs Eliminate DC Bias

♦ No Degradation of Low-Frequency Response Due

to Output Capacitors

♦ 20mW per Channel into 32Ω

♦ Low 0.006% THD+N

♦ High PSRR (80dB at 1kHz)

♦ Integrated Click-and-Pop Suppression

♦ Low-Power Shutdown Control

♦ Short-Circuit Protection

The MAX9725 delivers up to 20mW per channel into a

32Ω load and achieves 0.006% THD+N. An 80dB at 1kHz

power-supply rejection ratio (PSRR) allows the MAX9725

to operate from noisy digital supplies without an additional

linear regulator. The MAX9725 includes 8kV ESD protec-

tion on the headphone output. Comprehensive click-and-

pop circuitry suppresses audible clicks and pops at

startup and shutdown. A low-power shutdown mode

reduces supply current to 0.6µA (typ).

The MAX9725 operates from a single 0.9V to 1.8V supply,

allowing the device to be powered directly from a single

AA or AAA battery. The MAX9725 consumes only

2.1mA of supply current, provides short-circuit protection,

and is specified over the extended -40°C to +85°C tem-

perature range. The MAX9725 is available in a tiny

(1.54mm x 2.02mm x 0.6mm) 12-bump chip-scale

package (UCSP™) and a 12-pin thin QFN package

(4mm x 4mm x 0.8mm).

♦

8kV ESD-Protected Amplifier Outputs

♦ Available in Space-Saving Packages

12-Bump UCSP (1.54mm x 2.02mm x 0.6mm)

12-Pin Thin QFN (4mm x 4mm x 0.8mm)

Block Diagrams

SINGLE

1.5V CELL

AA OR AAA

BATTERY

MAX9725A–MAX9725D

Applications

DirectDrive OUTPUTS

ELIMINATE DC-BLOCKING

CAPACITORS.

MP3 Players

Cellular Phones

PDAs

Smart Phones

INL

Portable Audio Equipment

OUTL

Ordering Information

C1P

C1N

INVERTING

CHARGE PUMP

TOP

MARK

GAIN

(V/V)

PART

PIN-PACKAGE

MAX9725AEBC+TG45

MAX9725AETC+

12 UCSP

+ACK

+AAEW

+ACL

-2

12 TQFN-EP*

12 UCSP

OUTR

INR

MAX9725BEBC+TG45

-1.5

Ordering Information continued at end of data sheet.

Note: All devices are specified over the -40°C to +85°C operating

temperature range.

SGND

PGND

+Denotes a lead(Pb)-free/RoHS-compliant package.

T = Tape and reel.

*EP = Exposed pad.

UCSP is a trademark of Maxim Integrated Products, Inc.

Block Diagrams continued at end of data sheet.

Pin Configurations appear at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...17

中文翻译

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MAX9725BETC+T 替代型号

型号	品牌	替代类型	描述	数据表
MAX9725BETC+	MAXIM	完全替代	Audio Amplifier, 0.025W, 2 Channel(s), 1 Func, BICMOS, 4 X 4 MM, 0.80 MM HEIGHT, ROHS COMP
MAX9725BETC	MAXIM	完全替代	1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown

与MAX9725BETC+T相关器件

型号	品牌	获取价格	描述	数据表
MAX9725CEBC	MAXIM	获取价格	1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX9725CEBC+	MAXIM	获取价格	暂无描述
MAX9725CEBC+T	MAXIM	获取价格	Audio Amplifier, 0.025W, 2 Channel(s), 1 Func, BICMOS, PBGA12, 1.54 X 2.02 MM, 0.60 MM HEI
MAX9725CEBC+T	ROCHESTER	获取价格	0.025W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA12, 1.54 X 2.02 MM, 0.60 MM HEIGHT, ROHS COMPLIANT
MAX9725CEBC+TG45	ROCHESTER	获取价格	0.025W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA12, 1.54 X 2.02 MM, 0.60 MM HEIGHT, ROHS COMPLIANT
MAX9725CEBC+TG45	MAXIM	获取价格	Audio Amplifier, 0.025W, 2 Channel(s), 1 Func, BICMOS, PBGA12, 1.54 X 2.02 MM, 0.60 MM HEI
MAX9725CEBC-T	MAXIM	获取价格	Audio Amplifier, 0.025W, 2 Channel(s), 1 Func, BICMOS, PBGA12, 1.54 X 2.02 MM, 0.60 MM HEI
MAX9725CEBC-TG45	MAXIM	获取价格	1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX9725CETC	MAXIM	获取价格	1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX9725CETC	ROCHESTER	获取价格	0.025W, 2 CHANNEL, AUDIO AMPLIFIER, QCC12, 4 X 4 MM, 0.80 MM HEIGHT, MO-220-WGGB, TQFN-12

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