MAX9812LEXT-T DALLAS [Dallas Semiconductor], MAX9812LEXT-T Datasheet - Page 5

• Manufacturer Part Number: MAX9812LEXT-T
• Description: Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias
• Manufacturer: DALLAS [Dallas Semiconductor]

(V
unless otherwise noted.)
CC
= 3.3V (MAX9812L/MAX9813L), V
Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain
Microphone Amplifiers with Integrated Bias
10,000
0.001
0.001
1000
0.01
0.01
100
0.1
100
0.1
10
10
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
1
10
10
0
L VERSION
BW = 22Hz TO 22kHz
BW = 22Hz TO 22kHz
_______________________________________________________________________________________
BIAS NOISE vs. FREQUENCY
vs. OUTPUT AMPLITUDE
OUTPUT AMPLITUDE (V
100
100
V
R
OUT
L
= 2kΩ
vs. FREQUENCY
0.5
FREQUENCY (Hz)
FREQUENCY (Hz)
= 1V
f = 100Hz
RMS
1k
1k
V
R
OUT
L
f = 10kHz
= 10kΩ
= 1V
CC
f = 1kHz
1.0
RMS
RMS
= 5V (MAX9812H/MAX9813H), GND = 0V, R
10k
10k
)
Typical Operating Characteristics (continued)
100k
100k
1.5
-100
0.001
100
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.01
70
50
30
10
10
0.1
10
0
TOTAL HARMONIC DISTORTION PLUS NOISE
1
INPUT-REFERRED NOISE vs. FREQUENCY
10
10
0
L
MAX9813
V
IN1 TO OUT WITH
IN2 SELECTED
H VERSION
BW = 22Hz TO 22kHz
IN1
= 10kΩ to V
0.2
OFF-ISOLATION vs. FREQUENCY
= 100mV
0.4
vs. OUTPUT AMPLITUDE
100
100
f = 100Hz
OUTPUT AMPLITUDE (V
0.6
RMS
FREQUENCY (Hz)
FREQUENCY (Hz)
0.8
CC
1k
1.0
1k
/2, SHDN = V
f = 10kHz
INPUTS AT AC GND
1.2
1.4
RMS
10k
10k
f = 1kHz
1.6
)
1.8
CC
100k
100k
2.0
, T
A
= +25°C,
5