Datasheet MAX9812, MAX9813 (Maxim) - 5
| Manufacturer | Maxim |
| Description | Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias |
| Pages / Page | 10 / 5 — MAX9812/MAX9813. Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain. … |
| File Format / Size | PDF / 281 Kb |
| Document Language | English |
MAX9812/MAX9813. Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain. Microphone Amplifiers with Integrated Bias
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MAX9812/MAX9813 Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias Typical Operating Characteristics (continued)
(VCC = 3.3V (MAX9812L/MAX9813L), VCC = 5V (MAX9812H/MAX9813H), VGND = 0V, RL = 10kΩ to VCC/2, SHDN = VCC, TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS NOISE TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY vs. OUTPUT AMPLITUDE
1 10 BW = 22Hz TO 22kHz H VERSION BW = 22Hz TO 22kHz MAX9812 toc09 MAX9812 toc10 1 VOUT = 1VRMS 0.1 RL = 2kΩ f = 10kHz 0.1 THD+N (%) THD+N (%) 0.01 VOUT = 1VRMS 0.01 R f = 100Hz L = 10kΩ f = 1kHz 0.001 0.001 10 100 1k 10k 100k 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 FREQUENCY (Hz) OUTPUT AMPLITUDE (VRMS)
TOTAL HARMONIC DISTORTION PLUS NOISE vs. OUTPUT AMPLITUDE INPUT-REFERRED NOISE vs. FREQUENCY
100 100 L VERSION INPUTS AT AC GND BW = 22Hz TO 22kHz ) MAX9812 toc11 10 MAX9812 toc12 f = 1kHz √Hz 70 1 f = 10kHz 50 THD+N (%) 0.1 30 0.01 f = 100Hz INPUT-REFERRED NOISE (nV/ 0.001 10 0 0.5 1.0 1.5 10 100 1k 10k 100k OUTPUT AMPLITUDE (VRMS) FREQUENCY (Hz)
BIAS NOISE vs. FREQUENCY OFF-ISOLATION vs. FREQUENCY
10,000 10 MAX9813 0 VIN1 = 100mVRMS MAX9812 toc13 -10 MAX9812 toc14 ) -20 √Hz 1000 -30 -40 IN1 TO OUT WITH -50 IN2 SELECTED CROSSTALK (dB) -60 BIAS NOISE (nV/ 100 -70 -80 -90 10 -100 10 100 1k 10k 100k 10 100 1k 10k 100k FREQUENCY (Hz) FREQUENCY (Hz) Maxim Integrated 5
(VCC = 3.3V (MAX9812L/MAX9813L), VCC = 5V (MAX9812H/MAX9813H), VGND = 0V, RL = 10kΩ to VCC/2, SHDN = VCC, TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS NOISE TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY vs. OUTPUT AMPLITUDE
1 10 BW = 22Hz TO 22kHz H VERSION BW = 22Hz TO 22kHz MAX9812 toc09 MAX9812 toc10 1 VOUT = 1VRMS 0.1 RL = 2kΩ f = 10kHz 0.1 THD+N (%) THD+N (%) 0.01 VOUT = 1VRMS 0.01 R f = 100Hz L = 10kΩ f = 1kHz 0.001 0.001 10 100 1k 10k 100k 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 FREQUENCY (Hz) OUTPUT AMPLITUDE (VRMS)
TOTAL HARMONIC DISTORTION PLUS NOISE vs. OUTPUT AMPLITUDE INPUT-REFERRED NOISE vs. FREQUENCY
100 100 L VERSION INPUTS AT AC GND BW = 22Hz TO 22kHz ) MAX9812 toc11 10 MAX9812 toc12 f = 1kHz √Hz 70 1 f = 10kHz 50 THD+N (%) 0.1 30 0.01 f = 100Hz INPUT-REFERRED NOISE (nV/ 0.001 10 0 0.5 1.0 1.5 10 100 1k 10k 100k OUTPUT AMPLITUDE (VRMS) FREQUENCY (Hz)
BIAS NOISE vs. FREQUENCY OFF-ISOLATION vs. FREQUENCY
10,000 10 MAX9813 0 VIN1 = 100mVRMS MAX9812 toc13 -10 MAX9812 toc14 ) -20 √Hz 1000 -30 -40 IN1 TO OUT WITH -50 IN2 SELECTED CROSSTALK (dB) -60 BIAS NOISE (nV/ 100 -70 -80 -90 10 -100 10 100 1k 10k 100k 10 100 1k 10k 100k FREQUENCY (Hz) FREQUENCY (Hz) Maxim Integrated 5
