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MAX9727EEP+T

Description
IC amp audio quad AB diff 20qsop
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size511KB,13 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX9727EEP+T Overview

IC amp audio quad AB diff 20qsop

MAX9727EEP+T Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeSSOP
package instructionSSOP, SSOP20,.25
Contacts20
Reach Compliance Codecompli
ECCN codeEAR99
Differential outputYES
Number of drives4
Input propertiesDIFFERENTIAL
Interface integrated circuit typeLINE DRIVER
JESD-30 codeR-PDSO-G20
JESD-609 codee3
length8.65 mm
Humidity sensitivity level1
Number of functions4
Number of terminals20
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Minimum output swing5.2 V
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Encapsulate equivalent codeSSOP20,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply3/5 V
Certification statusNot Qualified
Maximum receive delay
Maximum seat height1.73 mm
Maximum supply voltage5.5 V
Minimum supply voltage2.7 V
Nominal supply voltage3.3 V
surface mountYES
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.635 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3.9 mm
19-3860; Rev 0; 12/05
KIT
ATION
EVALU
BLE
AVAILA
Quad Audio Line Driver with 3V
RMS
Output
General Description
The MAX9727 quad audio line driver with 3V
RMS
output is
ideal for portable audio devices where board space and
cost is at a premium. The device uses Maxim’s
DirectDrive
TM
architecture that produces a ground-refer-
enced output from a single supply, eliminating the need
for large DC-blocking capacitors and saving cost, board
space, and component height. A high 100dB PSRR and
low 0.0005% THD+N ensures clean, low-distortion ampli-
fication of the audio signal. Each MAX9727 amplifier can
provide 3V
RMS
to a 1kΩ load with less than 0.003%
THD+N while operating from a single +5V supply. Each
MAX9727 amplifier can provide 2V
RMS
to a 1kΩ load with
less than 0.003% THD+N while operating from a single
+3.3V supply.
A shutdown input disables the amplifiers and reduces
quiescent current consumption to less than 100nA. The
MAX9727 features Maxim’s comprehensive click-and-
pop suppression circuitry that reduces audible clicks and
pops during startup and shutdown.
The MAX9727 operates from a single 2.7V to 5.5V sup-
ply, consumes only 3mA of supply current per channel,
and is specified over the -40°C to +85°C extended tem-
perature range.
Features
o
2.7V to 5.5V Single-Supply Operation
o
High 100dB PSRR
o
109dB Signal-to-Noise Ratio (SNR)
o
o
o
o
o
Ground-Referenced Outputs
No Audible Clicks or Pops at Power-Up/Down
Differential Inputs
3V
RMS
into 1kΩ Load at 5V
2V
RMS
into 1kΩ Load at 3.3V
MAX9727
o
3mA Supply Current Per Channel
o
Unity-Gain Stable
o
100nA Low-Power Shutdown Mode
o
C
LOAD
Drive > 220pF
o
±8kV HBM ESD-Protected Outputs
Ordering Information
PART
MAX9727EEP+
TEMP RANGE
-40°C to +85°C
PIN-
PACKAGE
20 QSOP
GAIN
Adjustable
Applications
Set-Top Boxes
Consumer and
Professional Audio
Equipment
A/V Receivers
CD and DVD Players
Soundcards
Portable Audio
Devices
+Denotes
lead-free package.
Simplified Block Diagram
OUTA
OUTD
INA-
IND-
Pin Configuration
INA+
IND+
INC+
TOP VIEW
OUTA 1
INA- 2
INA+ 3
V
DD
4
INB+ 5
INB- 6
OUTB 7
SHDN 8
PV
DD
9
C1P 10
+
20 OUTD
19 IND-
18 IND+
INB+
INB-
INC-
MAX9727
17 V
SS
16 INC+
15 INC-
14 OUTC
13 PV
SS
12 C1N
11 PGND
C1P
C1N
ON
OFF
SHDN
PV
DD
PV
SS
OUTB
OUTC
MAX9727
PGND
QSOP
________________________________________________________________
Maxim Integrated Products
1
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.
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