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Maxim > Solutions > Cordless Phones
Linear Speaker/Headphone Drivers
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| Display |
Title / Parts |
Key Advantages |
| QV PDF |
50mW, DirectDrive, Stereo Headphone Amplifier with SmartSense and Shutdown
MAX9720, MAX9720A, MAX9720B
| 50mW, DirectDrive™, Stereo-Headphone Amplifier with SmartSense™ and Shutdown |
| QV PDF |
80mW, Fixed-Gain, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX4411, MAX4411B
| Unique Low-Cost Headphone Amplifier Eliminates DC-Blocking Capacitors and Gain-Setting Resistors |
| QV PDF |
330mW, Ultra-Small, Audio Power Amplifiers with Shutdown
MAX4366, MAX4367, MAX4368
| |
| QV PDF |
SC70/SOT23-8, 50mA IOUT, Rail-to-Rail I/O Op Amps with Shutdown/Mute
MAX4335, MAX4336, MAX4337, MAX4338
| |
| QV PDF |
Ultra-High PSRR Stereo Drivers + Microphone Amp + 100mA Linear Regulator
MAX4298, MAX4299
| Ultra-High PSRR Stereo Headphone Driver |
| QV PDF |
High-Output-Drive, Precision, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps with Shutdown
MAX4165, MAX4166, MAX4167, MAX4168, MAX4169
| |
| Key Specifications:
Headphone Amplifiers |
| Part Number |
Headphone Amp. VCC (min) (V) |
Headphone Amp. VCC (max) (V) |
Headphone Amp. ICC (typ) (mA) |
Headph. Amp. POUT into 32Ω @1% THD+N (W) |
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 |
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MAX9720
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1.8
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3.6
|
5
|
50
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0.006
|
100
|
92
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No
|
1
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1.41
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| • | SmartSense Automatic Short Circuit Detection |
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UCSP/0
UCSP/16
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MAX4411
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1.8
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3.6
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5
|
65
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0.007
|
98
|
86
|
No
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1.5
|
2
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| • | Independent Shutdown Controls |
|
THIN QFN/20
UCSP/0
UCSP/14
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| See All Headphone Amplifiers (11) |
| 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. 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 |
Operating Temp. Range (°C) |
|
MAX4165
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1
|
Input and Output
|
1
|
2.7
|
6.5
|
1300
|
850
|
93
|
88
|
150
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5
|
2
|
26
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0.4
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No
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SOT-23/5
|
-40 to +85
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MAX4166
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1
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Input and Output
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1
|
2.7
|
6.5
|
1300
|
850
|
93
|
88
|
150
|
5
|
2
|
26
|
0.4
|
Yes
|
MicroDFN/8
PDIP/8
SOIC/8
uMAX/8
|
-40 to +85
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|
MAX4167
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2
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Input and Output
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1
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2.7
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6.5
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1300
|
850
|
93
|
88
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150
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5
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2
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26
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0.4
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Yes
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PDIP/8
SOIC/8
|
-40 to +85
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|
MAX4168
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2
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Input and Output
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1
|
2.7
|
6.5
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1300
|
850
|
93
|
88
|
150
|
5
|
2
|
26
|
0.4
|
Yes
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PDIP/14
SOIC/14
uMAX/10
|
-40 to +85
|
|
MAX4169
|
4
|
Input and Output
|
1
|
2.7
|
6.5
|
1300
|
1,000
|
93
|
88
|
150
|
5
|
2
|
26
|
0.4
|
No
|
PDIP/14
SOIC/14
|
-40 to +85
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| See All Operational Amplifiers (141) |
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