MAX9945 Ver la hoja de datos (PDF) - Unspecified
Número de pieza
componentes Descripción
Fabricante
MAX9945 Datasheet PDF : 13 Pages
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38V, Low-Noise, MOS-Input,
Low-Power Op Amp
Typical Operating Characteristics
(VCC = +15V, VEE = -15V, VIN+ = VIN- = GND = 0, ROUT = 100kΩ to GND, TA = -40°C to +125°C, typical values are at TA = +25°C,
unless otherwise noted.)
QUIESCENT SUPPLY CURRENT
OUTPUT VOLTAGE SWING LOW
vs. SUPPLY VOLTAGE AND TEMPERATURE
vs. TEMPERATURE
600
0.25
OUTPUT VOLTAGE SWING HIGH
vs. TEMPERATURE
0.25
0.20
0.20
500
TA = +125°C
400
300
200
5
TA = +25°C
TA = -40°C
10 15 20 25 30 35
SUPPLY VOLTAGE (V)
0.15
ISINK = 1.0mA
0.10
ISINK = 0.1mA
0.05
0
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
0.15
ISOURCE = 1.0mA
0.10
ISOURCE = 0.1mA
0.05
0
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
INPUT BIAS CURRENT
vs. TEMPERATURE
80
70
60
50
40
30
20
10
0
-10
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
INPUT VOLTAGE
0.1Hz TO 10Hz NOISE
MAX9945 toc05
INPUT VOLTAGE-NOISE DENSITY
vs. FREQUENCY
1000
100
1s/div
1µV/div
10
1
10 100 1000 10,000 100,000
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION
vs. FREQUENCY
-70
VCC - VEE = 30V,
4.5VP-P, RL = 10kΩ
-80
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY
-50
VCC - VEE = 30V
4.5VP-P
-60 RL = 10kΩ
-70
-90
-80
-100
-90
-110
100
1000
10,000
FREQUENCY (Hz)
100,000
-100
10
100
1000 10,000
FREQUENCY (Hz)
100,000
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