Datasheet

MAX4063
Differential Microphone Preamplifier with
Internal Bias and Complete Shutdown
_______________________________________________________________________________________ 5
Typical Operating Characteristics (continued)
(V
CC
= 3V, A
V
= 20V/V, R
L
≥ 100kΩ to 1.5V, V
SHDN
= V
CC
, V
OUT
is measured between OUT and OUT. T
A
= +25°C, unless otherwise
noted.)
10 1k100 10k 100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (DIFF INPUT)
MAX4063 toc10
FREQUENCY (Hz)
THD+N (%)
1
0.001
0.01
0.1
V
OUT
= 4.5V
P-P
5V
3V
10 1k100 10k 100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (AUX INPUT)
MAX4063 toc11
FREQUENCY (Hz)
THD+N (%)
1
0.001
0.01
0.1
V
OUT
= 4.5V
P-P
5V
3V
10
0.001
02146
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT AMPLITUDE (DIFF INPUT)
0.01
0.1
1
MAX4063 toc12
OUTPUT VOLTAGE (V
P-P
)
THD+N (%)
35
BW = 22Hz TO 22kHz
f = 1kHz
f = 10kHz
10
0.001
02146
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT AMPLITUDE (DIFF INPUT)
0.01
0.1
1
MAX4063 toc13
OUTPUT VOLTAGE (V
P-P
)
THD+N (%)
35
BW = 22Hz TO 22kHz
V
CC
= 5V
f = 1kHz
f = 10kHz
10
0.001
02146
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT AMPLITUDE (AUX INPUT)
0.01
0.1
1
MAX4063 toc14
OUTPUT VOLTAGE (V
P-P
)
THD+N (%)
35
BW = 22Hz TO 22kHz
V
CC
= 5V
f = 1kHz
f = 10kHz
10
0.001
02146
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT AMPLITUDE (AUX INPUT)
0.01
0.1
1
MAX4063 toc15
OUTPUT VOLTAGE (V
P-P
)
THD+N (%)
35
BW = 22Hz TO 22kHz
V
CC
= 5V
f = 1kHz
f = 10kHz
MIC BIAS OUTPUT NOISE
MAX4063 toc17
100ms/div
20µV/div
V
CC
= 5V
BW = 22Hz TO 22kHz
SMALL-SIGNAL TRANSIENT RESPONSE
FOR DIFF INPUT
MAX4063 toc18
10µs/div
DIFF
INPUT
5mV/div
DIFF
OUTPUT
50mV/div
MAX4063 toc16
FREQUENCY (Hz)
INPUT-REFERRED NOISE (nV/√Hz)
10k1k100
50
100
150
200
250
300
350
400
0
10 100k
INPUT-REFERRED NOISE
vs. FREQUENCY (DIFF INPUT)