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參數資料
| 型號： | MAX9718BEUB |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Low-Cost, Mono/Stereo,1.4W Differential Audio Power Amplifiers |
| 中文描述： | 1.4 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO10 |
| 封裝： | MO-187, MICRO, SOP-10 |
| 文件頁數： | 1/23頁 |
| 文件大小： | 569K |
| 代理商： | MAX9718BEUB |
General Description
The MAX9718/MAX9719 differential input audio power
amplifiers are ideal for portable audio devices with
internal speakers. The differential input structure
improves noise rejection and provides common-mode
rejection. A bridge-tied load (BTL) architecture mini-
mizes external component count, while providing high-
quality, power audio amplification. The MAX9718 is a
single-channel amplifier while the MAX9719 is a dual-
channel amplifier for stereo systems. Both devices
deliver 1.4W continuous average power per channel to
a 4
load with less than 1% THD+N while operating
from a single +5V supply. The devices are available as
adjustable gain amplifiers or with internally fixed gains
of 0dB, 3dB, and 6dB to reduce component count.
A shutdown input disables the bias generator and
amplifiers and reduces quiescent current consumption
to less than 100nA. The MAX9718 shutdown input can
be set as active high or active low. These devices fea-
ture Maxim’s comprehensive click-and-pop suppres-
sion circuitry that reduces audible clicks and pops
during startup and shutdown.
The MAX9718 is pin compatible with the LM4895,
and is available in 9-bump UCSP, 10-pin TDFN, and
10-pin μMAX packages. The MAX9719 is available in
16-pin TQFN, 16-pin TSSOP, and 16-bump UCSP pack-
ages. Both devices operate over the -40°C to +85°C
extended temperature range.
Applications
Mobile Phones
PDAs
Portable Devices
Features
o
2.7V to 5.5V Single-Supply Operation
o
Very High -93dB PSRR at 217Hz
o
1.4W into 4
at 1% THD+N (per Channel)
o
Differential Input
o
Internal Fixed Gain to Reduce Component Count
o
Adjustable Gain Option (MAX9718A/MAX9719A)
o
100nA Low-Power Shutdown Mode
o
No Audible Clicks or Pops at Power-Up/Down
o
Improved Performance Pin-Compatible Upgrade
to LM4895 (MAX9718D)
M
Low-Cost, Mono/Stereo,
1.4W Differential Audio Power Amplifiers
________________________________________________________________
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.
1
Ordering Information
MAX9719
SINGLE SUPPLY
2.7V TO 5.5V
SHDN
INL+
INL-
INR+
INR-
MAX9718
SINGLE SUPPLY
2.7V TO 5.5V
SHDM
SHDN
IN+
OUT+
OUT-
OUTR-
OUTR+
OUTL-
OUTL+
IN-
Simplified Block Diagram
19-3050; Rev 0; 10/03
Ordering Information continued at end of data sheet.
Pin Configurations appear at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
PART
TEMP
RANGE
PIN-
PACKAGE
GAIN
(dB)
MAX9718
AEBL-T* -40
°
C to +85
°
C 3 x 3 UCSP
MAX9718AETB*
-40
°
C to +85
°
C 10 TDFN-EP**
MAX9718AEUB
-40
°
C to +85
°
C 10 μMAX-EP**
Adj
Adj
Adj
*
Future product—contact factory for availability.
**
EP = Exposed paddle.
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| MAX9718C | Low-Cost, Mono/Stereo,1.4W Differential Audio Power Amplifiers |
| MAX9718CETB | Low-Cost, Mono/Stereo,1.4W Differential Audio Power Amplifiers |
| MAX9718CEUB | 8-Bit Magnitude Comparators 28-LCCC -55 to 125 |
| MAX9718D | Low-Cost, Mono/Stereo,1.4W Differential Audio Power Amplifiers |
| MAX9718AEBL-T | Low-Cost, Mono/Stereo,1.4W Differential Audio Power Amplifiers |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX9718BEUB+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO 1.4W CLS-AB 10PIN UMAX EP - Rail/Tube |
| MAX9718BEUB+T | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO 1.4W CLS-AB 10PIN UMAX EP - Tape and Reel |
| MAX9718CEBL | 制造商:Maxim Integrated Products 功能描述:LOW-COST MONO/STEREO 1.4W DIFFERE - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX9718CEBL+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO 1.4W CLS-AB 9UCSP - Rail/Tube |
| MAX9718CEBL+T | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO 1.4W CLS-AB 9UCSP - Tape and Reel |
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