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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
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| QV PDF |
SC70/SOT23-8, 50mA IOUT, Rail-to-Rail I/O Op Amps with Shutdown/Mute
MAX4335, MAX4336, MAX4337, MAX4338
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| 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
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| 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 |
Smallest Available Pckg.
(mm2) |
| min |
max |
typ |
@ 1% THD+N |
A- Weighted |
min |
min |
max |
max w/pins |
| MAX9720 |
1.8 |
3.6 |
5 |
50 |
0.006 |
100 |
92 |
No |
1 |
1.41 |
SmartSense Automatic Short Circuit Detection |
Yes |
|
33.4 |
| MAX4411 |
65 |
0.007 |
98 |
86 |
1.5 |
2 |
Independent Shutdown Controls |
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4.3 |
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See All Headphone Amplifiers (15)
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| 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 |
| MAX4165 |
1 |
Input/Output |
1 |
2.7 |
6.5 |
1300 |
1500 |
850 |
93 |
88 |
150 |
5 |
2 |
26 |
0.4 |
No |
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| MAX4166 |
1 |
850 |
Yes |
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| MAX4167 |
2 |
850 |
Yes |
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| MAX4168 |
2 |
850 |
Yes |
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| MAX4169 |
4 |
1000 |
No |
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See All Operational Amplifiers (145)
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