MAX9717BETA-T

更新时间： 2024-11-27 13:00:23

品牌	Logo	应用领域
美信 - MAXIM		放大器功率放大器
页数	文件大小	规格书
21页	396K
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MAX9717BETA-T 数据手册

19-3146; Rev 2; 3/09

Low-Cost, Mono, 1.4W BTL Audio

Power Amplifiers

General Description

Features

The MAX9716/MAX9717 audio power amplifiers are ideal

for portable audio devices with internal speakers. A

bridge-tied load (BTL) architecture minimizes external

component count, while providing high-quality audio

reproduction. Both devices deliver 1.4W continuous

power into a 4Ω load with less than 1% Total Harmonic

Distortion (THD) while operating from a single +5V sup-

ply. With an 8Ω load, both devices deliver 1W continuous

power. These devices also deliver 350mW continuous

power into an 8Ω load while operating from a single

+3.0V supply. The devices are available as adjustable

gain amplifiers (MAX9716/MAX9717A) or with internally

fixed gains of 6dB, 9dB, and 12dB (MAX9717B/

MAX9717C/MAX9717D), reducing component count.

♦ 2.7V to 5.5V Single-Supply Operation

♦ 1.4W into 4Ω at 1% THD+N

♦ 10nA Low-Power Shutdown Mode

♦ 73dB PSRR at 1kHz

♦ No Audible Clicks or Pops at Power-Up/Down

♦ Internal Fixed Gain to Reduce Component Count

(MAX9717B/C/D)

♦ Adjustable Gain Option (MAX9716/MAX9717A)

♦ BTL/SE Input Senses when Headphones are

Connected (MAX9717)

A low-power shutdown mode disables the bias generator

and amplifiers, reducing quiescent current consumption

to less than 10nA. These devices feature Maxim’s

industry-leading, comprehensive click-and-pop sup-

pression that reduces audible clicks and pops during

startup and shutdown.

♦ Pin Compatible with LM4890 (MAX9716)

♦ Pin Compatible with TPA711 (MAX9717A)

♦ Available in Compact, Thermally Enhanced μMAX

and TDFN (3mm x 3mm) Packages

The MAX9717 features a headphone sense input (BTL/SE)

that senses when a headphone is connected to the

device, disables the BTL slave driver, muting the speaker

while driving the headphone as a single-ended load.

Ordering Information

PIN-

GAIN

(dB)

PART

TEMP RANGE

PACKAGE

The MAX9716 is pin compatible with the LM4890 and is

available in 9-bump UCSP™, 8-pin TDFN (3mm x

3mm), and 8-pin µMAX^®packages. The MAX9717 is

available in 9-bump UCSP, 8-pin TDFN, and 8-pin

µMAX packages. Both devices operate over the -40°C

to +85°C extended temperature range.

MAX9716ETA+T

MAX9716EBL+TG45

MAX9716EUA

-40°C to +85°C 8 TDFN-EP*

-40°C to +85°C 3 x 3 UCSP

-40°C to +85°C 8 µMAX-EP*

Adj.

*EP = Exposed pad.

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

G45 indicates protective die coating.

Applications

Ordering Information continued at end of data sheet.

Mobile Phones

PDAs

Portable Devices

Pin Configurations and Selector Guide appear at end of data

sheet.

Simplified Block Diagrams

SINGLE SUPPLY

2.7V TO 5.5V

SINGLE SUPPLY

2.7V TO 5.5V

BIAS

MAX9716

MAX9717B/C/D

IN-

BTL/SE

UCSP is a trademark of Maxim Integrated Products, Inc.

µMAX is a registered trademark of Maxim Integrated Products, Inc.

________________________________________________________________ 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.

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与MAX9717BETA-T相关器件

型号	品牌	获取价格	描述	数据表
MAX9717BEUA	MAXIM	获取价格	Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers
MAX9717BEUA+	MAXIM	获取价格	Audio Amplifier, 1.4W, 1 Channel(s), 1 Func, BICMOS, PDSO8, 3 X 3 MM, ROHS COMPLIANT, MO-1
MAX9717BEUA+T	MAXIM	获取价格	Audio Amplifier, 1.4W, 1 Channel(s), 1 Func, BICMOS, PDSO8, 3 X 3 MM, ROHS COMPLIANT, MO-1
MAX9717BEUA-T	MAXIM	获取价格	Audio Amplifier, 1.4W, 1 Channel(s), 1 Func, BICMOS, PDSO8, 3 X 3 MM, MO-187, MICRO, SOP-8
MAX9717C	MAXIM	获取价格	Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers
MAX9717CEBL+	ROCHESTER	获取价格	1.4W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9, 1.5 X 1.5 MM, ROHS COMPLIANT, UCSP-9
MAX9717CEBL+T	MAXIM	获取价格	Audio Amplifier, 1.4W, 1 Channel(s), 1 Func, BICMOS, PBGA9, 1.5 X 1.5 MM, UCSP-9
MAX9717CEBL+TG45	MAXIM	获取价格	Audio Amplifier, 1.4W, 1 Channel(s), 1 Func, BICMOS, PBGA9, 3 X 3 MM, ROHS COMPLIANT, UCSP
MAX9717CEBL-T	MAXIM	获取价格	Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers
MAX9717CETA	MAXIM	获取价格	Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers

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