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Maxim > Solutions > Audio ICs

Audio Buffers

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF Mono 2W Class D Amplifier
MAX9830

2.3W of Low-EMI, Class D Power from a 2.5mm x 2.5mm Package
QV  PDF Evaluation Kit/Evaluation System for the MAX9723A, MAX9723B, MAX9723C, and MAX9723D
MAX9723DEVCMOD2, MAX9723DEVCMODU, MAX9723DEVKIT

QV  PDF Stereo DirectDrive® Headphone Amplifier with BassMax, Volume Control, and I²C
MAX9723

QV  PDF Factory-Programmable, Single PLL Clock Generator
MAX9491

QV  PDF 2.3W, Ultra-Low-EMI, Filterless, Class D Audio Amplifier
MAX9705

QV  PDF Programmable Audio Clock Generator
MAX9485

Programmable Multiple-Output Clock Generator Provides a Cost-Efficient Solution for MPEG-2 Audio Systems such as DVD Players, DVD Drives for Multimedia PCs, Digital HDTV Systems, Home-Entertainment Centers, and Set-Top Boxes
QV  PDF High-Output-Drive, 10MHz, 10V/µs, Rail-to-Rail I/O Op Amps with Shutdown in SC70
MAX4230, MAX4231, MAX4232, MAX4233, MAX4234

QV  PDF Low-Cost, Low-Voltage, Rail-to-Rail, Input/Output, SOT23 5MHz Op Amp
MAX4321

Low-Voltage, Pin-for-Pin Upgrade for LMC7101
QV  PDF Single/Dual/Quad, Low-Cost, Single-Supply, Rail-to-Rail Op Amps with Shutdown
MAX4400, MAX4401, MAX4402, MAX4403

Rail-to-Rail, 800kHz, Op Amps in Tiny SC70 and SOT23-8 Packages
QV  PDF Low-Cost, High-Slew-Rate, Rail-to-Rail I/O Op Amps in SC70
MAX4490, MAX4491, MAX4492

10MHz Op Amp Comes in Ultra-Small SC70 Package and Drives 2kΩ Loads
QV  PDF Single/Dual/Quad, Low-Cost, UCSP/SOT23, Low-Power, Rail-to-Rail I/O Op Amps
MAX4322, MAX4323, MAX4326, MAX4327, MAX4329

QV  PDF UCSP, Single-Supply, Low-Noise, Low-Distortion, Rail-to-Rail Op Amps
MAX4249, MAX4250, MAX4251, MAX4252, MAX4253, MAX4254, MAX4255, MAX4256, MAX4257




Key Specifications:  Clock Generators
Part Number Applications fIN
(MHz)
fIN
(MHz)
fOUT
(MHz)
fOUT
(MHz)
Fixed or Continuous Frequency Output Levels Out-
puts
PLLs Program-
mability
Spread Spectrum Output Jitter
(ps)
VSUPPLY
(V)
Package/Pins
min max min max RMS
MAX9491 
Ethernet
General Purpose
5 50 4 200 Fixed LVCMOS 1 1 Factory One-Time Programmable (OTP) No 4 3.3
TQFN/20
MAX9485  General Purpose 30 27 27 3
I2C
Pin
28
TQFN/20
TSSOP/20
See All Clock Generators (27)

Key Specifications:  Headphone Amplifiers
Part Number Hdph. Amp. VCC
(V)
Hdph. Amp. VCC
(V)
Hdph. Amp. ICC
(mA)
Hdph. Amp. POUT into 32Ω
(mW)
Hdph. Amp. Half Pwr. THD+N
(%)
SNR
(dB)
PSRR
(dB)
Hdph. Amp. Ext. Gain Hdph. Amp. Fxd. Gain
(|V/V|)
Hdph. Amp. Fxd. Gain
(|V/V|)
Features RoHS Available Package/Pins
min max typ @ 1% THD+N A- Weighted min min max
MAX9723  1.8 3.6 4 59 0.007 100 90 No 0.5 2
I2C/SMBus Compatible Interface
Integrated Volume Control
Software Enabled Bass Boost (BassMax)
See Data Sheet
See Data Sheet/
See All Headphone Amplifiers (15)

Key Specifications:  Operational Amplifiers
Part Number Amps. Rail to Rail AVCL VSUPPLY (Total)
(V)
VSUPPLY (Total)
(V)
ICC per Amp.
(µA)
ICC per Amp.
(µA)
VOS
(µV)
CMRR @DC
(dB)
PSRR @DC
(dB)
Input IBIAS
(nA)
Unity Gain BW
(MHz)
Slew Rate
(V/µs)
en
(nV/√Hz)
in
(pA/√Hz)
Low Pwr. Shutdn Package/Pins
min min max typ max max typ typ max typ typ
MAX4230  1 Input/Output 1 2.7 5.5 1100 2000 6000 70 85 0.05 10 10 12 - No
SC70/5
SOT/5
MAX4231  1 Input/Output 1 2.7 5.5 1100 2000 6000 70 85 0.05 10 10 12 - Yes
SC70/6
SOT/6
UTLGA/6
MAX4232  2 Input/Output 1 2.7 5.5 1100 2000 6000 70 85 0.05 10 10 12 - No
µMAX/8
SOT/8
MAX4233  2 Input/Output 1 2.7 5.5 1100 2000 6000 70 85 0.05 10 10 12 - Yes
µMAX/10
UCSP/10
MAX4234  4 Input/Output 1 2.7 5.5 1100 2000 6000 70 85 0.05 10 10 12 - No
SOIC(N)/14
TSSOP/14
MAX4400  1 Output Only 1 2.5 5.5 320 700 4500 84 100 0.1 0.8 1 36 0.001 No
SC70/5
SOT/5
MAX4401  1 Output Only 1 2.5 5.5 320 700 4500 84 100 0.1 0.8 1 36 0.001 Yes
SC70/6
MAX4402  2 Output Only 1 2.5 5.5 320 700 5500 84 100 0.1 0.8 1 36 0.001 No
µMAX/8
SOIC(N)/8
SOT/8
MAX4403  4 Output Only 1 2.5 5.5 320 700 5500 84 100 0.1 0.8 1 36 0.001 No
SOIC(N)/14
TSSOP/14
MAX4321  1 Input/Output 1 2.4 6.5 650 725 3500 91 100 150 5 2 22 0.4 No
SOT/5
MAX4322  1 Input/Output 1 2.4 6.5 730 1100 2500 94 100 150 5 2 22 0.4 No
µMAX/8
SOIC(N)/8
SOT/5
MAX4323  1 Input/Output 1 2.4 6.5 730 1100 2500 94 100 150 5 2 22 0.4 Yes
µMAX/8
SOIC(N)/8
SOT/6
UCSP/6
MAX4326  2 Input/Output 1 2.4 6.5 730 1100 2500 94 100 150 5 2 22 0.4 No
µMAX/8
SOIC(N)/8
MAX4327  2 Input/Output 1 2.4 6.5 730 1100 2000 94 100 150 5 2 22 0.4 Yes
µMAX/10
SOIC(N)/14
MAX4329  4 Input/Output 1 2.4 6.5 730 1100 2500 94 100 150 5 2 22 0.4 No
SOIC(N)/14
MAX4490  1 Input/Output 1 2.7 5.5 800 2000 10000 75 100 2.5 10 10 12 0.001 No
SC70/5
SOT/5
MAX4491  2 Input/Output 1 2.7 5.5 800 2000 10000 75 100 2.5 10 10 12 0.001 No
µMAX/8
SOT/8
MAX4492  4 Input/Output 1 2.7 5.5 800 2000 10000 75 100 2.5 10 10 12 0.001 No
SOIC(N)/14
TSSOP/14
MAX4249  2 Output Only 10 2.4 5.5 420 575 750 115 100 0.1 22 2.1 8.9 0.0005 Yes
µMAX/10
SOIC(N)/14
MAX4250  1 Output Only 1 2.4 5.5 420 575 750 115 100 0.1 3 0.3 8.9 0.0005 No
SOT/5
MAX4251  1 Output Only 1 2.4 5.5 420 575 750 115 100 0.1 3 0.3 8.9 0.0005 Yes
µMAX/8
SOIC(N)/8
MAX4252  2 Output Only 1 2.4 5.5 420 575 750 115 100 0.1 3 0.3 8.9 0.0005 No
µMAX/8
SOIC(N)/8
UCSP/8
MAX4253  2 Output Only 1 2.4 5.5 420 575 750 115 100 0.1 3 0.3 8.9 0.0005 Yes
µMAX/10
SOIC(N)/14
UCSP/10
MAX4254  4 Output Only 1 2.4 5.5 420 575 750 115 100 0.1 3 0.3 8.9 0.0005 No
SOIC(N)/14
MAX4255  1 Output Only 10 2.4 5.5 420 575 750 115 100 0.1 22 2.1 8.9 0.0005 No
SOT/5
MAX4256  1 Output Only 10 2.4 5.5 420 575 750 115 100 0.1 22 2.1 8.9 0.0005 No
µMAX/8
SOIC(N)/8
MAX4257  2 Output Only 10 2.4 5.5 420 575 750 115 100 0.1 22 2.1 8.9 0.0005 No
µMAX/8
SOIC(N)/8
See All Operational Amplifiers (145)

Key Specifications:  Speaker Amplifiers
Part Number Class Spkr. Amp. VCC
(V)
Spkr. Amp. VCC
(V)
Spkr. Amp. ICC
(mA)
POUT into 4Ω @ 1% THD+N
(W)
POUT into 4Ω @ 10% THD+N
(W)
POUT into 8Ω @ 1% THD+N
(W)
POUT into 8Ω @ 10% THD+N
(W)
Spkr. Amp. Half Pwr. THD+N
(%)
SNR
(dB)
PSRR
(dB)
Spkr. Amp. Ext. Gain Spkr. Amp. Fxd. Gain
(V/V)
Spkr. Amp. Fxd. Gain
(V/V)
Features Channels
min max typ min min min min A- Weighted min min max
MAX9830 NEW! D 2.6 5.5 1.2 1.7 2.25 1.3 1.5 0.04 98 64.3 Yes - 16
Active Emissions Limiting (AEL)
Differential Inputs
Filterless Operation
1
MAX9705  2.5 7 2.3 2.7 1.4 1.7 0.02 93 75 No 2 10
Active Emissions Limiting (AEL)
External Clock Synchronization
See All Speaker Amplifiers (30)



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