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Maxim > Solutions > PDAs and Handheld Equipment
Speaker Amplifier
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| Display |
Title / Parts |
Key Advantages |
| QV PDF |
White LED Charge Pump with Mono Class D Audio Amp and Dual LDO
MAX8821
| Industry's First LED Charge Pump with Integrated Audio Amplifier and 2 LDOs Providing Space Savings and Highest Efficiency |
| QV PDF |
1.2W, Low-EMI, Filterless, Class D Audio Amplifier
MAX9746
| 1.2W, Low-EMI, Filterless Class D Audio Amplifiers for Class AB Amplifier Performance with Class D Efficiency that Conserve Board Space and Extend Battery Life |
| QV PDF |
1.3W, Filterless, Stereo Class D Audio Power Amplifier
MAX9701
| |
| QV PDF |
3.2W, High-Efficiency, Low-EMI, Filterless, Class D Audio Amplifier
MAX9759
| |
| QV PDF |
2.3W, Ultra-Low-EMI, Filterless, Class D Audio Amplifier
MAX9705
| |
| QV PDF |
Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers
MAX9716, MAX9717
| Low-Cost Speaker Amplifiers Offer Up to 1.3W into 4Ω, Headphone Sensing, and Pin-for-Pin Compatible Packaging |
| QV PDF |
Low-Cost, Mono/Stereo, 1.4W Differential Audio Power Amplifiers
MAX9718, MAX9719
| Low-Cost, Mono/Stereo, 1.4W Differential Audio Power Amplifiers Ideal for Portable Audio Devices with Internal Speakers |
| QV PDF |
1.2W, Low-EMI, Filterless, Class D Audio Amplifier
MAX9700, MAX9700A, MAX9700B, MAX9700C, MAX9700D
| 1.2W, Low-EMI, Filterless, Class D Audio Amplifiers Provide Class AB Amplifier Performance with Class D Efficiency, Conserving Board Space and Extending Battery Life |
| QV PDF |
500mW, Low EMI, Filterless, Class D Audio Amplifier
MAX9712
| 500mW, Low-EMI, Filterless, Class D Audio Amplifier Ideal for Portable Applications |
| QV PDF |
1.8W, Filterless, Ultra-Low EMI, Stereo Class D Audio Power Amplifier
MAX9773
| 1.8W Ultra-Low EMI Stereo Amplifier that Passes FCC Radiation Emissions Standards |
| QV PDF |
1.4W and 1W, Ultra-Small, Audio Power Amplifiers with Shutdown
MAX4364, MAX4365
| |
| 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 |
Industry Qualified |
Package |
Smallest Available Package (max w/pins) (mm2) |
|
MAX9705
|
D
|
2.5
|
5.5
|
7
|
2.3
|
2.7
|
1.4
|
1.7
|
0.01
|
93
|
75
|
No
|
2
|
10
|
| • | Active Emissions Limiting (AEL) |
| • | External Clock Synchronization |
|
1
|
-
|
THIN QFN (Dual)/10
UCSP/12
|
3
|
|
MAX9701
|
D
|
2.5
|
5.5
|
4.5
|
2.2
|
2.5
|
1.3
|
1.7
|
0.08
|
88.5
|
80
|
No
|
1
|
8
|
|
2
|
-
|
THIN QFN/24
UCSP/20
|
6
|
|
MAX9759
|
D
|
3
|
5.5
|
8.4
|
2.6
|
3.2
|
1.4
|
1.8
|
0.03
|
96
|
81
|
No
|
2
|
16
|
| • | External Clock Synchronization |
|
1
|
-
|
THIN QFN/16
|
-
|
|
MAX9716
|
AB
|
2.7
|
5.5
|
4.3
|
1.4
|
2
|
1.1
|
1.3
|
0.02
|
108
|
80
|
Yes
|
-
|
-
|
|
1
|
Automotive - General
|
THIN QFN (Dual)/8
UCSP/9
uMAX/8
|
2
|
|
MAX9717
|
AB
|
2.7
|
5.5
|
4.3
|
1.4
|
2
|
1.1
|
1.3
|
0.02
|
108
|
80
|
Yes
|
2
|
4
|
|
1
|
-
|
THIN QFN (Dual)/8
UCSP/9
|
2
|
|
MAX9718
|
AB
|
2.7
|
5.5
|
5
|
1.4
|
1.7
|
1.1
|
1.3
|
0.025
|
107
|
93
|
Yes
|
1
|
4
|
|
1
|
-
|
THIN QFN (Dual)/10
UCSP/9
uMAX/10
|
2
|
|
MAX9719
|
AB
|
2.7
|
5.5
|
5
|
1.4
|
1.7
|
1.1
|
1.3
|
0.025
|
107
|
93
|
Yes
|
1
|
4
|
|
2
|
-
|
THIN QFN/16
UCSP/16
|
4
|
|
MAX9700
|
D
|
2.5
|
5.5
|
4
|
-
|
-
|
1.2
|
1.5
|
0.02
|
95.5
|
70
|
No
|
2
|
10
|
| • | External Clock Synchronization |
|
1
|
-
|
THIN QFN (Dual)/10
UCSP/12
uMAX/10
|
3
|
|
MAX9712
|
D
|
2.5
|
5.5
|
4
|
-
|
-
|
0.45
|
0.46
|
0.01
|
91
|
70
|
No
|
4
|
4
|
| • | External Clock Synchronization |
|
1
|
-
|
See Data Sheet
|
-
|
|
MAX4364
|
AB
|
2.7
|
5.5
|
7
|
-
|
-
|
1.4
|
2
|
0.04
|
-
|
75
|
Yes
|
-
|
-
|
| • | Pin-for-Pin Compatible Packaging |
|
1
|
-
|
SOIC/8
|
-
|
|
MAX4365
|
AB
|
2.7
|
5.5
|
5
|
-
|
-
|
1
|
1.8
|
0.1
|
-
|
75
|
Yes
|
-
|
-
|
-
|
1
|
-
|
THIN QFN (Dual)/8
|
-
|
| See All Speaker Amplifiers (29) |
| Key Specifications:
White LED Drivers |
| Part Number |
Topology |
Max. No. of LEDs |
Configuration |
Dimming Control |
VDROPOUT (typ) (mV) |
POUT (W) |
IMAX per LED (mA) |
Min. VIN (V) |
Max. VIN (V) |
ICC (max) (mA) |
Max. VOUT (V) |
Fixed Freq. |
Operating Freq. (kHz) |
Soft Start |
Internal Power Switch(es) |
Shutdown |
Open LED Protection |
Camera Flash |
LED Temp. Derating |
EV-Kit |
Package |
Operating Temp. Range (°C) |
|
MAX8821
|
Charge Pump
|
6
|
Parallel
|
Digital
I2C Serial
|
72
|
0.6
|
25
|
2.7
|
5.5
|
0.12
|
5.5
|
Yes
|
1000
|
No
|
Yes
|
Yes
|
Yes
|
No
|
Yes
|
No
|
THIN QFN/28
|
-40 to +85
|
| See All White LED Drivers (40) |
|
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