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Maxim > Solutions > Rechargeable Hearing Aid
Audio Amplifier
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| Display |
Title/Parts |
Key Advantages |
| QV PDF |
Evaluation Kit for the MAX9830A, MAX9830B, MAX9830C, MAX9830D, and MAX9830E
MAX9830AEVKIT
| |
| QV PDF |
DirectDrive Headphone Amplifier with External Gain
MAX9820
| 95mW Stereo Headphone Amplifier with Clickless Operation |
| 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 |
2.3W, Ultra-Low-EMI, Filterless, Class D Audio Amplifier
MAX9705
| |
| 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 |
5V, Differential Input, DirectDrive, 130mW Stereo Headphone Amplifiers with Shutdown
MAX9722
| Next-Generation DirectDrive Headphone Amplifiers Offer Differential Inputs and 5V Operation |
| 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 |
Industry Qualified |
Package/Pins |
Smallest Available Pckg.
(mm2) |
| min |
max |
typ |
@ 1% THD+N |
A- Weighted |
min |
min |
max |
max w/pins |
| MAX9820 NEW! |
2.7 |
5.5 |
3 |
95 |
0.005 |
- |
105 |
Yes |
- |
- |
- |
Yes |
- |
|
9.6 |
| MAX9722 |
2.4 |
5.5 |
130 |
0.015 |
103 |
90 |
2 |
2 |
Common-Mode Sense |
Automotive - General |
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33.4 |
|
See All Headphone Amplifiers (15)
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| 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 |
D |
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 |
|
1 |
| MAX9718 |
AB |
2.7 |
5 |
1.4 |
1.7 |
1.1 |
1.3 |
0.025 |
107 |
93 |
Yes |
1 |
4 |
Differential Inputs |
1 |
| MAX9719 |
AB |
2.7 |
5 |
1.4 |
1.7 |
1.1 |
1.3 |
0.025 |
107 |
93 |
Yes |
1 |
4 |
Differential Inputs |
2 |
|
See All Speaker Amplifiers (30)
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