Datasheet > MAX9724BEBC+G45

MAX9724BEBC+G45

更新时间： 2024-11-03 14:53:07

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
19页	346K
描述
Audio Amplifier, 0.045W, 2 Channel(s), 1 Func, BICMOS, PBGA12, UCSP-12

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MAX9724BEBC+G45 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	VFBGA,	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.33.00.01
风险等级：	5.6	Is Samacsys：	N
标称带宽：	22 kHz	商用集成电路类型：	AUDIO AMPLIFIER
JESD-30 代码：	R-PBGA-B12	长度：	2.02 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：	0.045 W	封装主体材料：	PLASTIC/EPOXY
封装代码：	VFBGA	封装形状：	RECTANGULAR
封装形式：	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	峰值回流温度（摄氏度）：	NOT SPECIFIED
座面最大高度：	0.69 mm	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	2.7 V	表面贴装：	YES
技术：	BICMOS	温度等级：	INDUSTRIAL
端子形式：	BALL	端子节距：	0.5 mm
端子位置：	BOTTOM	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	1.54 mm	Base Number Matches：	1

MAX9724BEBC+G45 数据手册

19-3597; Rev 6; 3/09

60mW, DirectDrive, Stereo Headphone Amplifier

with Low RF Susceptibility and Shutdown

/MAX9724B

General Description

Features

The MAX9724A/MAX9724B stereo headphone ampli-

fiers are designed for portable equipment where board

space is at a premium. These devices use a unique

DirectDrive^®architecture to produce a ground-refer-

enced output from a single supply, eliminating the need

for large DC-blocking capacitors, saving cost, board

space, and component height. The MAX9724 sup-

presses RF radiation received by input and supply

traces acting as antennas and prevents the amplifier

from demodulating the coupled noise. The MAX9724A

offers an externally adjustable gain while the

MAX9724B has an internally preset gain of -1.5V/V. The

MAX9724A/MAX9724B deliver up to 60mW per channel

into a 32Ω load and have low 0.02% THD+N. An 80dB

at 1kHz power-supply rejection ratio (PSRR) allows

these devices to operate from noisy digital supplies

without an additional linear regulator. Comprehensive

click-and-pop circuitry suppresses audible clicks and

pops on startup and shutdown.

♦ Improved RF Noise Rejection (Up to 67dB Over

Typical Amplifiers)

♦ No Bulky DC-Blocking Capacitors Required

♦ Low-Power Shutdown Mode, < 0.1μA

♦ Adjustable Gain (MAX9724A) or Fixed -1.5V/V

Gain (MAX9724B)

♦ Low 0.02% THD+N

♦ High PSRR (80dB at 1kHz) Eliminates LDO

♦ Integrated Click-and-Pop Suppression

♦ 2.7V to 5.5V Single-Supply Operation

♦ Low Quiescent Current (3.5mA)

♦ Available in Space-Saving Packages

12-Bump UCSP (1.5mm x 2mm)

12-Pin Thin QFN (3mm x 3mm x 0.8mm)

Ordering Information

GAIN

(V/V)

PIN-

TOP

PART

PACKAGE

MARK

The MAX9724A/MAX9724B operate from a single 2.7V

to 5.5V supply, consume only 3.5mA of supply current,

feature short-circuit and thermal-overload protection,

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

temperature range. The devices are available in tiny 12-

bump UCSP™ (1.5mm x 2mm) and 12-pin thin QFN

(3mm x 3mm x 0.8mm) packages.

MAX9724AEBC+TG45

MAX9724AETC+

Adj.

-1.5

12 UCSP

+ADH

+AAT

+ADI

12 TQFN-EP*

12 UCSP

MAX9724BEBC+TG45

MAX9724BETC+

12 TQFN-EP*

+AAU

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

range.

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

T = Tape and reel.

Applications

DVD Players

Smart Phones

PDAs

Cellular Phones

MP3 Players

Notebook PCs

*EP = Exposed paddle.

Pin Configurations appear at end of data sheet.

Handheld Gaming Consoles

DirectDrive is a registered trademark of Maxim Integrated

UCSP is a trademark of Maxim Integrated Products, Inc.

Products, Inc.

Block Diagrams

MAX9724B

MAX9724A

DirectDrive OUTPUTS

ELIMINATE DC-BLOCKING

CAPACITORS

DirectDrive OUTPUTS

ELIMINATE DC-BLOCKING

LEFT

AUDIO

INPUT

LEFT

AUDIO

CAPACITORS

INPUT

SHDN

RIGHT

AUDIO

INPUT

FIXED GAIN ELIMINATES

AUDIO

EXTERNAL RESISTOR

INPUT

NETWORK

________________________________________________________________ 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...19

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与MAX9724BEBC+G45相关器件

型号	品牌	获取价格	描述	数据表
MAX9724BEBC+T	MAXIM	获取价格	60mW, DirectDrive, Stereo Headphone Amplifier with Low RF Susceptibility and Shutdown
MAX9724BEBC+TG45	MAXIM	获取价格	60mW, DirectDrive, Stereo Headphone Amplifier with Low RF Susceptibility and Shutdown
MAX9724BETC+	MAXIM	获取价格	60mW, DirectDrive, Stereo Headphone Amplifier with Low RF Susceptibility and Shutdown
MAX9724BETC+T	MAXIM	获取价格	暂无描述
MAX9724BEUD+	MAXIM	获取价格	Audio Amplifier, 0.06W, 2 Channel(s), 1 Func, BICMOS, PDSO14, 5 X 4.40 MM, 1.10 MM HEIGHT,
MAX9724BEUD+	ROCHESTER	获取价格	0.06W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO14, 5 X 4.40 MM, 1.10 MM HEIGHT, LEAD FREE, MO-153A
MAX9724BEUD+T	MAXIM	获取价格	Audio Amplifier, 0.06W, 2 Channel(s), 1 Func, BICMOS, PDSO14, 5 X 4.40 MM, 1.10 MM HEIGHT,
MAX9724C	MAXIM	获取价格	Low RF Susceptibility DirectDrive Stereo Headphone Amplifier with 1.8V Compatible Shutdown
MAX9724C	ADI	获取价格	具有低RF干扰敏感度的DirectDrive立体声耳机放大器，提供1.8V兼容关断控制
MAX9724CEBC+T	MAXIM	获取价格	Low RF Susceptibility DirectDrive Stereo Headphone Amplifier with 1.8V Compatible Shutdown

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