Datasheet

MAX4060/MAX4061/MAX4062
Differential Microphone Preamplifiers with
Internal Bias and Complete Shutdown
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
CC
= 3V (MAX4061/MAX4062), V
CC
= 5V for MAX4060, A
V
= 10V/V, R
L
≥ 100kΩ to 1.5V, SHDN = V
CC
(MAX4061 only),
MAX4060
MIC BIAS VOLTAGE vs. TEMPERATURE
MAX4060 toc10
TEMPERATURE (°C)
MIC BIAS VOLTAGE (V)
6035-15 10
2.125
2.150
2.175
2.200
2.225
2.250
2.275
2.300
2.100
-40 85
I
BIAS
= 800
μ
A
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (DIFF INPUT)
MAX4060 toc11
FREQUENCY (Hz)
THD+N (%)
10k1k100
0.01
0.1
1
0.001
10 100k
V
OUT
= 2.26V
P-P
V
CC
= 5V
V
CC
= 3V
MAX4060 toc12
FREQUENCY (Hz)
THD+N (%)
10k1k100
0.01
0.1
1
0.001
10 100k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (AUX INPUT)
V
CC
= 3V
V
CC
= 5V
V
OUT
= 2.26V
P-P
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT AMPLITUDE
(DIFF INPUT, V
CC
= 3V)
MAX4060 toc13
OUTPUT VOLTAGE (V
P-P
)
THD+N (%)
2.52.01.51.00.5
0.01
0.1
1
10
0.001
0 3.0
f = 10kHz
f = 1kHz
BW = 22kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT AMPLITUDE
(DIFF INPUT, V
CC
= 5V)
MAX4060 toc14
OUTPUT VOLTAGE (V
P-P
)
THD+N (%)
3.02.52.01.51.00.5
0.01
0.1
1
10
0.001
0 3.5
f = 10kHz
f = 1kHz
BW = 22kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT AMPLITUDE
(AUX INPUT, V
CC
= 3V)
MAX4060 toc15
OUTPUT VOLTAGE (V
P-P
)
THD+N (%)
2.52.01.51.00.5
0.01
0.1
1
10
0.001
0 3.0
f = 10kHz
f = 1kHz
BW = 22kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT AMPLITUDE
(AUX INPUT, V
CC
= 5V)
MAX4060 toc16
OUTPUT VOLTAGE (V
P-P
)
THD+N (%)
3.02.52.01.51.00.5
0.01
0.1
1
10
0.001
0
3.5
f = 10kHz
f = 1kHz
BW = 22kHz
MAX4060 toc17
FREQUENCY (Hz)
(nV/√Hz)
10k1k100
100
200
300
400
500
600
700
800
0
10 100k
INPUT-REFERRED NOISE
vs. FREQUENCY (DIFF INPUT)
MAX4060
MIC BIAS OUTPUT NOISE
MAX4060 toc18
100ms/div
5μV/div
V
CC
= 5V
BW = 22Hz TO 22kHz