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Maxim > Solutions > Audio ICs
Audio Buffers
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| Display |
Title / Parts |
Key Advantages |
| QV |
2.3W, Ultra-Low-EMI, Filterless, Class D Audio 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 (min) (MHz) |
fIN (max) (MHz) |
fOUT (min) (MHz) |
fOUT (max) (MHz) |
Fixed or Continuous Frequency |
Output Levels |
Number of Outputs |
Number of PLLs |
Programmability |
Spread Spectrum |
Output Jitter (ps RMS) |
Supply Voltage (V) |
Package |
|
MAX9491
|
|
5
|
50
|
4
|
200
|
Fixed
|
LVCMOS
|
1
|
1
|
Factory One-Time Programmable (OTP)
|
No
|
4
|
3.3
|
TQFN/20
|
|
MAX9485
|
|
5
|
30
|
27
|
27
|
Fixed
|
LVCMOS
|
3
|
1
|
I2C
Pin
|
No
|
28
|
3.3
|
TQFN/20
TSSOP/20
|
| See All Clock Generators (28) |
| Key Specifications:
Headphone Amplifiers |
| Part Number |
Headphone Amp. VCC (min) (V) |
Headphone Amp. VCC (max) (V) |
Headphone Amp. ICC (typ) (mA) |
Hdph. Amp. POUT into 32Ω @1% THD+N (mW) |
Headphone Amp. Half Pwr. THD+N (%) |
SNR, A-weighted (dB) |
PSRR (db) |
Headphone Amp. External Gain |
Headphone Amp. Fixed Gain (min) (|V/V|) |
Headphone Amp. Fixed Gain (max) (|V/V|) |
Features |
Package |
Smallest Available Package (max w/pins) (mm2) |
|
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) |
|
UCSP/16
|
4
|
| See All Headphone Amplifiers (14) |
| Key Specifications:
Operational Amplifiers |
| Part Number |
Amps Per Pkg. |
Rail to Rail |
Min. Stable Closed Loop Gain (V/V) |
Min. Total Supply (V) |
Max. Total Supply (V) |
Typ. Supply Current per Amp. (µA) |
Max. Supply Current per Amp. (µA) |
Max. VOS (µV) |
Typ. CMRR @ DC (dB) |
Typ PSRR @ DC (dB) |
Max. Input IBIAS (nA) |
Typ. Unity Gain BW (MHz) |
Typ. Slew Rate (V/µs) |
Input Voltage Noise Density (nV/√Hz) |
Input Current Noise Density (pA/√Hz) |
Low Power Shutdown |
Package |
|
MAX4230
|
1
|
Input/Output
|
1
|
2.7
|
5.5
|
1100
|
2000
|
6,000
|
70
|
85
|
0.05
|
10
|
10
|
12
|
-
|
No
|
SC70/5
SOT/5
|
|
MAX4231
|
1
|
Input/Output
|
1
|
2.7
|
5.5
|
1100
|
2000
|
6,000
|
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
|
6,000
|
70
|
85
|
0.05
|
10
|
10
|
12
|
-
|
No
|
µMAX/8
SOT/8
|
|
MAX4233
|
2
|
Input/Output
|
1
|
2.7
|
5.5
|
1100
|
2000
|
6,000
|
70
|
85
|
0.05
|
10
|
10
|
12
|
-
|
Yes
|
µMAX/10
UCSP/10
|
|
MAX4234
|
4
|
Input/Output
|
1
|
2.7
|
5.5
|
1100
|
2000
|
6,000
|
70
|
85
|
0.05
|
10
|
10
|
12
|
-
|
No
|
SOIC(N)/14
TSSOP/14
|
|
MAX4400
|
1
|
Output Only
|
1
|
2.5
|
5.5
|
320
|
700
|
4,500
|
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
|
4,500
|
84
|
100
|
0.1
|
0.8
|
1
|
36
|
0.001
|
Yes
|
SC70/6
|
|
MAX4402
|
2
|
Output Only
|
1
|
2.5
|
5.5
|
320
|
700
|
5,500
|
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
|
5,500
|
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
|
3,500
|
91
|
100
|
150
|
5
|
2
|
22
|
0.4
|
No
|
SOT/5
|
|
MAX4322
|
1
|
Input/Output
|
1
|
2.4
|
6.5
|
730
|
1100
|
2,500
|
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
|
2,500
|
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
|
2,500
|
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
|
2,000
|
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
|
2,500
|
94
|
100
|
150
|
5
|
2
|
22
|
0.4
|
No
|
SOIC(N)/14
|
|
MAX4490
|
1
|
Input/Output
|
1
|
2.7
|
5.5
|
800
|
2000
|
10,000
|
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
|
10,000
|
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
|
10,000
|
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 (144) |
| Key Specifications:
Speaker Amplifiers |
| Part Number |
Class |
Speaker Amp. VCC (min) (V) |
Speaker Amp. VCC (max) (V) |
Speaker Amp. ICC (typ) (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) |
Speaker Amp. Half Pwr. THD+N (%) |
SNR, A-weighted (dB) |
PSRR (db) |
Speaker Amp. External Gain |
Speaker Amp. Fixed Gain (min) (V/V) |
Speaker Amp. Fixed Gain (max) (V/V) |
Features |
Number of Channels |
|
MAX9705
|
D
|
2.5
|
5.5
|
7
|
2.3
|
2.7
|
1.4
|
1.7
|
0.02
|
93
|
75
|
No
|
2
|
10
|
| • | Active Emissions Limiting (AEL) |
| • | External Clock Synchronization |
|
1
|
| See All Speaker Amplifiers (30) |
|
|
