Datasheet

MAX4465–MAX4469
Low-Cost, Micropower, SC70/SOT23-8, Microphone
Preamplifiers with Complete Shutdown
_______________________________________________________________________________________ 5
80
90
85
100
95
110
105
115
125
120
130
0 1.0 1.5 2.00.5 2.5 3.0 3.5 4.54.0 5.0
LARGE-SIGNAL GAIN
vs. OUTPUT VOLTAGE
MAX4465-69 toc13
V
OUT
(V)
GAIN (dB)
-40 10-15 35 60 85
MAX4465-69 toc14
TEMPERATURE (
°
C)
GAIN (dB)
LARGE-SIGNAL GAIN
vs. TEMPERATURE
130
125
120
115
110
1.0
1.2
1.1
1.4
1.3
1.5
1.6
-40 10-15 35 60 85
MAX4465-69 toc15
TEMPERATURE (
°
C)
V
MIN
(V)
MINIMUM OPERATING VOLTAGE
vs. TEMPERATURE
100
10
1
0.1
0.01
0.001
20 2k 20k200
MAX4465/MAX4467/MAX4469
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
MAX4465-69 toc16
FREQUENCY (Hz)
THD + N (%)
V
OUT
= 2Vp-p
A
V
= +1V/V
BW = 22kHz
R
L
= 100k
Ω
R
L
= 10k
Ω
100
10
MAX4465-69 toc17
FREQUENCY (Hz)
THD + N (%)
1
0.1
0.01
0.001
20 2k200 20k
V
OUT
= 2Vp-p
A
V
= +10V/V
BW = 22kHz
R
L
= 10k
Ω
R
L
= 100k
Ω
MAX4466/MAX4468
TOTAL HARMONIC DISTORTION
vs. FREQUENCY
100
10
1
0.1
0.01
0 1.0 1.50.5 2.0
THD + N (%)
f = 1kHz
A
V
= +1V/V
BW = 122kHz
0.001
MAX4465/MAX4467/MAX4469
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. INPUT AMPLITUDE
MAX4465-69 toc18
V
IN
(Vp-p)
2.5 3.0
R
L
= 10k
Ω
R
L
= 100k
Ω
100
0 0.05 0.10 0.15 0.20 0.25 0.30
10
1
0.1
0.01
0.001
MAX4465-69 toc19
V
IN
(Vp-p)
THD + N (%)
f = 1kHz
A
V
= +10V/V
BW = 22kHz
MAX4466/MAX4468
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. INPUT AMPLITUDE
R
L
= 10k
Ω
R
L
= 100kΩ
20µs/div
NONINVERTING SMALL-SIGNAL
TRANSIENT RESPONSE
MAX4465-69 toc20
50mV/div
Typical Operating Characteristics (continued)
(V
CC
= +5V, V
CM
= 0, V
OUT
= V
CC
/2, R
L
= 100kΩ to V
CC
/2, SHDN = GND (MAX4467/MAX4468 only), T
A
= +25°C, unless otherwise
noted.)
200µs/div
NONINVERTING LARGE-SIGNAL
TRANSIENT RESPONSE
MAX4465-69 toc21
2V/div