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MAX9719DEBE+TG45

Description
Audio Amplifiers 1.4W Differential Audio Power Amps
CategoryAnalog mixed-signal IC    Consumption circuit   
File Size724KB,27 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX9719DEBE+TG45 Overview

Audio Amplifiers 1.4W Differential Audio Power Amps

MAX9719DEBE+TG45 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeBGA
package instructionVFBGA, BGA16,4X4,20
Contacts16
Reach Compliance Codecompliant
ECCN codeEAR99
Nominal bandwidth22 kHz
Commercial integrated circuit typesAUDIO AMPLIFIER
JESD-30 codeS-PBGA-B16
length2.02 mm
Humidity sensitivity level1
Number of channels2
Number of functions1
Number of terminals16
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Nominal output power1.4 W
Package body materialPLASTIC/EPOXY
encapsulated codeVFBGA
Encapsulate equivalent codeBGA16,4X4,20
Package shapeSQUARE
Package formGRID ARRAY, VERY THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply3/5 V
Certification statusNot Qualified
Maximum seat height0.67 mm
Maximum slew rate7.5 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.7 V
surface mountYES
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal formBALL
Terminal pitch0.5 mm
Terminal locationBOTTOM
Maximum time at peak reflow temperatureNOT SPECIFIED
width2.02 mm
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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