MAX9717D

更新时间： 2024-11-26 22:55:07

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
19页	333K
描述
Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers

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MAX9717D 数据手册

19-3146; Rev 0; 1/04

Lo w -Co s t , Mo n o , 1 .4 W BTL Au d io P o w e r

Am p lifie rs

Ge n e ra l De s c rip t io n

Fe a t u re s

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

fixe d g a ins of 6d B, 9d B, a nd 12d B (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 le s s tha n 10nA. The s e d e vic e s fe a ture Ma xim’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.

Ord e rin g In fo rm a t io n

PIN-

GAIN

(dB)

PART

TEMP RANGE

PACKAGE

The MAX9716 is pin compatible with the LM4890 and is

a va ila b le in 9-b ump UCSP™, 8-p in TDFN (3mm x

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

a va ila b le in 9-b ump UCSP, 8-p in TDFN, a nd 8-p in

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

to +85°C extended temperature range.

MAX9716ETA

MAX9716EBL-T*

MAX9716EUA

-40°C to +85°C

8 TDFN-EP**

3 x 3 UCSP

Adj.

8 µMAX-EP**

*Future product—contact factory for availability.

**EP = Exposed paddle.

Ordering Information continued at end of data sheet.

Ap p lic a t io n s

Mobile Phones

PDAs

Pin Configurations and Selector Guide appear at end of data

sheet.

Portable Devices

S im p lifie d Blo c k Dia g ra m s

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.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas 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MAX9717D相关器件

型号	品牌	获取价格	描述	数据表
MAX9717DEBL	MAXIM	获取价格	Audio Amplifier, 1.4W, 1 Channel(s), 1 Func, BICMOS, PBGA9, 1.5 X 1.5 MM, UCSP-9
MAX9717DEBL+	MAXIM	获取价格	Audio Amplifier, 1.4W, 1 Channel(s), 1 Func, BICMOS, PBGA9, 1.5 X 1.5 MM, ROHS COMPLIANT,
MAX9717DEBL+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
MAX9717DEBL+TG45	MAXIM	获取价格	Audio Amplifier, 1.4W, 1 Channel(s), 1 Func, BICMOS, PBGA9, 3 X 3 MM, ROHS COMPLIANT, UCSP
MAX9717DEBL-T	MAXIM	获取价格	Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers
MAX9717DETA	MAXIM	获取价格	Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers
MAX9717DETA	ROCHESTER	获取价格	1.4W, 1 CHANNEL, AUDIO AMPLIFIER, DSO8, 3 X 3 MM, 0.80 MM HEIGHT, MO-229WEEC, TDFN-8
MAX9717DETA+	MAXIM	获取价格	Audio Amplifier, 1.4W, 1 Channel(s), 1 Func, BICMOS, 3 X 3 MM, 0.80 MM HEIGHT, ROHS COMPLI
MAX9717DETA+T	ROCHESTER	获取价格	1.4W, 1 CHANNEL, AUDIO AMPLIFIER, DSO8, 3 X 3 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, MO-229WE
MAX9717DETA+T	MAXIM	获取价格	Audio Amplifier, 1.4W, 1 Channel(s), 1 Func, BICMOS, 3 X 3 MM, 0.80 MM HEIGHT, ROHS COMPLI

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