MAX9812 Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX9812
Dallas Semiconductor -> Maxim Integrated
MAX9812 Datasheet PDF : 11 Pages
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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), GND = 0V, RL = 10kΩ to VCC/2, SHDN = VCC, TA = +25°C,
unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
1
BW = 22Hz TO 22kHz
VOUT = 1VRMS
0.1
RL = 2kΩ
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT AMPLITUDE
10
H VERSION
BW = 22Hz TO 22kHz
1
f = 10kHz
0.1
0.01
VOUT = 1VRMS
RL = 10kΩ
0.001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT AMPLITUDE
100
L VERSION
BW = 22Hz TO 22kHz
10
f = 1kHz
1
f = 10kHz
0.01
f = 100Hz
f = 1kHz
0.001
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
OUTPUT AMPLITUDE (VRMS)
INPUT-REFERRED NOISE vs. FREQUENCY
100
INPUTS AT AC GND
70
50
0.1
30
0.01
f = 100Hz
0.001
0
0.5
1.0
1.5
OUTPUT AMPLITUDE (VRMS)
10
10
100
1k
10k
100k
FREQUENCY (Hz)
10,000
BIAS NOISE vs. FREQUENCY
1000
100
10
10
100
1k
10k
100k
FREQUENCY (Hz)
OFF-ISOLATION vs. FREQUENCY
10
0
MAX9813
VIN1 = 100mVRMS
-10
-20
-30
-40
-50 IN1 TO OUT WITH
IN2 SELECTED
-60
-70
-80
-90
-100
10
100
1k
10k
100k
FREQUENCY (Hz)
_______________________________________________________________________________________ 5
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