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Maxim > Solutions > Audio ICs
Microphone Amplifiers
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| Display |
Title/Parts |
Key Advantages |
| QV PDF |
I²C Programmable Gain Amplifier for Audio Applications
DS4420
| Fully Differential, Programmable-Gain Amplifier for Audio Applications |
| QV PDF |
Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias
MAX9812, MAX9812H, MAX9812L, MAX9813, MAX9813H, MAX9813L
| Industry's Smallest, Low-Noise, Low-Power Microphone Amplifiers with Integrated Bias |
| QV PDF |
Differential Microphone Preamplifier with Internal Bias and Complete Shutdown
MAX4063
| |
| QV PDF |
Differential Microphone Preamplifiers with Internal Bias and Complete Shutdown
MAX4060, MAX4061, MAX4062
| |
| QV PDF |
SOT23, 3V/5V, Single-Supply, Rail-to-Rail Instrumentation Amplifiers
MAX4460, MAX4461, MAX4462
| Precision Instrumentation Amplifier Fits in SOT23 Package |
| QV PDF |
Single/Dual/Quad, General-Purpose, Low-Voltage, Rail-to-Rail Output Op Amps
LMX321, LMX324, LMX358
| |
| QV PDF |
Low-Cost, Micropower, SC70/SOT23-8, Microphone Preamplifiers with Complete Shutdown
MAX4465, MAX4466, MAX4467, MAX4468, MAX4469
| |
| QV PDF |
Ultra-High PSRR Stereo Drivers + Microphone Amp + 100mA Linear Regulator
MAX4298, MAX4299
| Ultra-High PSRR Stereo Headphone Driver |
| 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 |
UCSP, Single-Supply, Low-Noise, Low-Distortion, Rail-to-Rail Op Amps
MAX4249, MAX4250, MAX4251, MAX4252, MAX4253, MAX4254, MAX4255, MAX4256, MAX4257
| |
| Key Specifications: Differential/Instrumentation Amplifiers |
| Part Number |
Architecture |
Amps. |
VCMVR |
Rail to Rail |
AV
(V/V) |
VSUPPLY (Total)
(V) |
VSUPPLY (Total)
(V) |
ICC per Amp.
(mA) |
ICC per Amp.
(mA) |
VOS
(µV) |
CMRR @DC
(dB) |
PSRR @DC
(dB) |
Input IBIAS
(nA) |
Unity Gain BW
(MHz) |
VCMVR
(V) |
| to Neg. Rail |
min |
max |
typ |
max |
max |
typ |
typ |
max |
typ |
| MAX4460 |
Indirect Current-Feedback |
1 |
Yes |
Output Only |
Adj. |
2.85 |
5.25 |
0.7 |
1.1 |
500 |
120 |
100 |
0.1 |
2.5 |
VSS-0.1 to VDD-1.7 |
| MAX4461 |
|
| MAX4462 |
|
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See All Differential/Instrumentation Amplifiers (15)
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| Key Specifications: Digital Potentiometers |
| Part Number |
Taper |
Control Interface |
Wiper Memory |
Steps |
ICC @5V
(µA) |
Smallest Available Pckg.
(mm2) |
| max |
max w/pins |
| DS4420 |
Log |
2-Wire Addressable |
Volatile |
20 |
3000 |
9.6 |
|
See All Digital Potentiometers (123)
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| Key Specifications: Microphone Amplifiers |
| Part Number |
Channels |
VSUPPLY
(V) |
VSUPPLY
(V) |
IQ
(mA) |
THD+N
(%) |
en
(nV/√Hz) |
PSRR
(dB) |
Input Type |
Ext. Gain |
Fxd. Gain
(|V/V|) |
Fxd. Gain
(|V/V|) |
Microphone Bias |
| min |
max |
typ |
min |
min |
max |
| MAX9812H |
1 |
4.5 |
5.5 |
0.23 |
0.015 |
40 |
100 |
Single Ended |
No |
10 |
10 |
Yes |
| MAX9812L |
1 |
2.7 |
3.6 |
0.23 |
0.04 |
40 |
100 |
Single Ended |
No |
10 |
10 |
Yes |
| MAX9813H |
2 |
4.5 |
5.5 |
0.23 |
0.015 |
40 |
100 |
Single Ended |
No |
10 |
10 |
Yes |
| MAX9813L |
2 |
2.7 |
3.6 |
0.23 |
0.04 |
40 |
100 |
Single Ended |
No |
10 |
10 |
Yes |
| MAX4063 |
2 |
2.4 |
5.5 |
0.75 |
0.05 |
12 |
95 |
Differential with Aux |
Yes |
20 |
20 |
Yes |
| MAX4060 |
2 |
4.5 |
5.5 |
0.75 |
0.05 |
100 |
90 |
Differential with Aux |
No |
10 |
10 |
Yes |
| MAX4061 |
1 |
2.4 |
5.5 |
0.75 |
0.05 |
20 |
90 |
Differential |
No |
10 |
10 |
No |
| MAX4062 |
2 |
2.4 |
5.5 |
0.75 |
0.05 |
20 |
90 |
Differential with Aux |
Yes |
10 |
10 |
Yes |
| MAX4465 |
1 |
2.4 |
5.5 |
0.024 |
0.02 |
80 |
112 |
Single Ended |
Yes |
- |
- |
No |
| MAX4466 |
1 |
2.4 |
5.5 |
0.024 |
0.03 |
80 |
112 |
Single Ended |
Yes |
- |
- |
No |
| MAX4467 |
1 |
2.4 |
5.5 |
0.024 |
0.02 |
80 |
112 |
Single Ended |
Yes |
- |
- |
Yes |
| MAX4468 |
1 |
2.4 |
5.5 |
0.024 |
0.03 |
80 |
112 |
Single Ended |
Yes |
- |
- |
Yes |
| MAX4469 |
2 |
2.4 |
5.5 |
0.024 |
0.02 |
80 |
112 |
Single Ended |
Yes |
- |
- |
No |
|
See All Microphone Amplifiers (14)
|
| 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 |
| LMX321 |
1 |
Output Only |
1 |
2.3 |
7 |
105 |
170 |
6000 |
92 |
96 |
50 |
1.3 |
1 |
66 |
0.13 |
No |
|
| LMX324 |
4 |
1 |
2.3 |
7 |
105 |
170 |
6000 |
92 |
96 |
50 |
1.3 |
1 |
66 |
0.13 |
No |
|
| LMX358 |
2 |
1 |
2.3 |
7 |
105 |
170 |
6000 |
92 |
96 |
50 |
1.3 |
1 |
66 |
0.13 |
No |
|
| MAX4400 |
1 |
1 |
2.5 |
5.5 |
320 |
700 |
4500 |
84 |
100 |
0.1 |
0.8 |
1 |
36 |
0.001 |
No |
|
| MAX4401 |
1 |
1 |
2.5 |
5.5 |
320 |
700 |
4500 |
84 |
100 |
0.1 |
0.8 |
1 |
36 |
0.001 |
Yes |
|
| MAX4402 |
2 |
1 |
2.5 |
5.5 |
320 |
700 |
5500 |
84 |
100 |
0.1 |
0.8 |
1 |
36 |
0.001 |
No |
|
| MAX4403 |
4 |
1 |
2.5 |
5.5 |
320 |
700 |
5500 |
84 |
100 |
0.1 |
0.8 |
1 |
36 |
0.001 |
No |
|
| MAX4249 |
2 |
10 |
2.4 |
5.5 |
420 |
575 |
750 |
115 |
100 |
0.1 |
22 |
2.1 |
8.9 |
0.0005 |
Yes |
|
| MAX4250 |
1 |
1 |
2.4 |
5.5 |
420 |
575 |
750 |
115 |
100 |
0.1 |
3 |
0.3 |
8.9 |
0.0005 |
No |
|
| MAX4251 |
1 |
1 |
2.4 |
5.5 |
420 |
575 |
750 |
115 |
100 |
0.1 |
3 |
0.3 |
8.9 |
0.0005 |
Yes |
|
| MAX4252 |
2 |
1 |
2.4 |
5.5 |
420 |
575 |
750 |
115 |
100 |
0.1 |
3 |
0.3 |
8.9 |
0.0005 |
No |
|
| MAX4253 |
2 |
1 |
2.4 |
5.5 |
420 |
575 |
750 |
115 |
100 |
0.1 |
3 |
0.3 |
8.9 |
0.0005 |
Yes |
|
| MAX4254 |
4 |
1 |
2.4 |
5.5 |
420 |
575 |
750 |
115 |
100 |
0.1 |
3 |
0.3 |
8.9 |
0.0005 |
No |
|
| MAX4255 |
1 |
10 |
2.4 |
5.5 |
420 |
575 |
750 |
115 |
100 |
0.1 |
22 |
2.1 |
8.9 |
0.0005 |
No |
|
| MAX4256 |
1 |
10 |
2.4 |
5.5 |
420 |
575 |
750 |
115 |
100 |
0.1 |
22 |
2.1 |
8.9 |
0.0005 |
No |
|
| MAX4257 |
2 |
10 |
2.4 |
5.5 |
420 |
575 |
750 |
115 |
100 |
0.1 |
22 |
2.1 |
8.9 |
0.0005 |
No |
|
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See All Operational Amplifiers (145)
|
| Key Specifications: Programmable Gain Amplifiers |
| Part Number |
Interface Type |
AV
(V/V) |
Gain Error
(%) |
VSUPPLY
(V) |
VSUPPLY
(V) |
Shutdown Mode Supply Current
(µA) |
Supply Current
(µA) |
Supply Current
(µA) |
Oper. Temp.
(°C) |
Package/Pins |
| max |
min |
max |
max |
typ |
max |
| DS4420 |
I2C |
0.0178 to 17.78 |
10 |
4.5 |
5.5 |
140 |
1700 |
3000 |
-20 to +70 |
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See All Programmable Gain Amplifiers (2)
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