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MAX4298EUB+T

Description
audio amplifiers high psrr stereo driver + mic amp
CategoryOther integrated circuit (IC)    Consumption circuit   
File Size332KB,14 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX4298EUB+T Overview

audio amplifiers high psrr stereo driver + mic amp

MAX4298EUB+T Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeSOIC
package instructionTSSOP,
Contacts10
Reach Compliance Codecompli
ECCN codeEAR99
Factory Lead Time6 weeks
Samacsys DescriptiIC LINE DRIVER 10UMAX
Commercial integrated circuit typesCONSUMER CIRCUIT
JESD-30 codeS-PDSO-G10
JESD-609 codee3
length3 mm
Humidity sensitivity level1
Number of functions1
Number of terminals10
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.1 mm
Maximum slew rate17.5 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
surface mountYES
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3 mm
19-1743; Rev 1; 2/01
Ultra-High PSRR Stereo Drivers +
Microphone Amp + 100mA Linear Regulator
General Description
The MAX4298 and MAX4299 are audio system ICs
designed for single +5V applications. The MAX4299
features a stereo headphone driver, a microphone
amplifier, and a +3.3V linear regulator; the MAX4298
features the stereo headphone driver only. The
MAX4298/ MAX4299 are designed specifically for harsh
digital environments where board space is at a premi-
um and the digital power supply is noisy. The design
uses innovative design techniques to achieve ultra-high
power-supply rejection across the audio signal band
while, at the same time, delivering a high-current Rail-
to-Rail
®
output drive capability. The chip is designed to
drive highly capacitive loads that may be encountered
when driving long cables to a remote load such as
desktop/notebook headphones or speakers. These
devices are fully compliant with PC99 standards.
The amplifiers exhibit 115dB of DC power-supply rejec-
tion and 80dB at 100kHz. The output amplifiers are
capable of driving a 1.5V
RMS
signal into a 10kΩ load
with 0.0008% THD+N. They can also drive 32Ω head-
phones to 1.2V
RMS
with 0.02% distortion. At +3.3V, the
linear regulator can output 100mA of current. The
MAX4298 is available in a tiny 10-pin µMAX while the
MAX4299 is available in the space-saving 16-pin
TSSOP package.
Features
o
Audio System IC (MAX4299)
Ultra-High PSRR Stereo Headphone Driver
Ultra-High PSRR Microphone Amp
100mA, 3.3V Linear Regulator
o
93dB typ PSRR at 20kHz Operates Directly from
Noisy Digital Supplies
o
Clickless/Popless Power-Up, Power-Down, Mute
and Unmute
o
PC99-Compliant Output Drivers:
Better than 1V
RMS
Output into 16Ω Load and
1.5V
RMS
and 0.0008% THD+N into 10kΩ Load
o
PC99-Compliant Microphone Amplifier:
0.005% THD+N into 10kΩ Load
o
22nF Capacitive Load Drive Capability
o
4.5V to 5.5V Single-Supply Operation
o
Internally Generated Bias Voltage
o
All Gains Externally Adjustable
o
Available in Space-Saving Packages
10-Pin µMAX (MAX4298)
16-Pin TSSOP (MAX4299)
MAX4298/MAX4299
________________________Applications
Notebook and Desktop Audio
Hands-Free Headsets
USB Audio Peripherals
IP Telephones
Wireless Internet Devices
MP3 Players/Recorders
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
PART
MAX4298EUB
MAX4298ESD
MAX4299EWP
MAX4299EUE
Ordering Information
TEMP. RANGE
-40ºC to +85°C
-40ºC to +85°C
-40ºC to +85°C
-40ºC to +85°C
PIN-PACKAGE
10 µMAX
14 SO
20 SO
16 TSSOP
Typical Operating Circuit appears at end of data sheet.
PSRR vs. Frequency
MAX4298/9-13
Pin Configurations
TOP VIEW
OUT1 1
GND
IN1
BIAS
SV
CC
2
3
4
5
10 V
CC
9
OUT2
IN2
C
BYPASS
MUTE
-50
-60
-70
-80
PSRR (dB)
-90
-100
-110
-120
-130
-140
-150
100
1k
10k
MAX4298
8
7
6
100k
µMAX
Pin Configurations continued at end of data sheet.
1
FREQUENCY (Hz)
________________________________________________________________
Maxim Integrated Products
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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