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MAX9719D

Description
1.4 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA16
Categorysemiconductor    Other integrated circuit (IC)   
File Size726KB,27 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric View All

MAX9719D Overview

1.4 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA16

MAX9719D Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals16
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Maximum supply/operating voltage5.5 V
Minimum supply/operating voltage2.7 V
Rated bandwidth22 kHz
Rated output power1.4 dBm
Processing package description4 X 4 MM, UCSP-16
Lead-freeYes
stateACTIVE
CraftsmanshipBICMOS
packaging shapeSQUARE
Package SizeGRID ARRAY, VERY THIN PROFILE, FINE PITCH
surface mountYes
Terminal formBALL
Terminal spacing0.5000 mm
terminal coatingNOT SPECIFIED
Terminal locationBOTTOM
Packaging MaterialsPLASTIC/EPOXY
Temperature levelINDUSTRIAL
Consumer IC TypeAUDIO AMPLIFIER
Number of channels2
19-3050; Rev 7; 4/10
KIT
ATION
EVALU
BLE
AVAILA
Low-Cost, Mono/Stereo,
1.4W Differential Audio Power Amplifiers
General Description
Features
o
2.7V to 5.5V Single-Supply Operation
o
Very High -93dB PSRR at 217Hz
o
1.4W into 4Ω at 1% THD+N (per Channel)
o
Differential Input
o
Internal Fixed Gain to Reduce Component Count
o
Adjustable Gain Option (MAX9718A/H/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/G)
o
1.8V Logic Compatible
MAX9718/MAX9719
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 4Ω 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.
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
+ADX
+AAV
MAX9718
AEBL+TG45 -40°C to +85°C 3 x 3 UCSP
MAX9718AETB+T
-40°C to +85°C 10 TDFN-EP*
+Denotes
lead(Pb)-free/RoHS-compliant package.
*EP
= Exposed pad.
G45 indicates protective die coating.
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.
μMAX is a registered trademark of Maxim Integrated Products, Inc.
Applications
Mobile Phones
PDAs
Portable Devices
Simplified Block Diagrams
SINGLE SUPPLY
2.7V TO 5.5V
SINGLE SUPPLY
2.7V TO 5.5V
INL+
IN+
OUT+
INL-
INR+
OUTL-
OUTR+
OUTL+
IN-
SHDN
OUT-
INR-
SHDM
MAX9718
SHDN
OUTR-
MAX9719
________________________________________________________________
Maxim Integrated Products
1
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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