MAX844 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX844 Datasheet PDF : 10 Pages
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Low-Noise, Regulated, -2V GaAsFET Bias
____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 2a, VIN = 3.6V, TA = +25°C, unless otherwise noted.)
50
VIN = 3.6V,
40
IOUT = 4mA
MAX843/MAX844 NOISE SPECTRUM
(C1 = C2 = C3 = 0.22µF, C4 = 4.7µF)
30
20
10
0
NOTE: dBµV = 20 LOG _V_O_U__T_
0.1
1µV
1
10
100
FREQUENCY (kHz)
1000
START-UP FROM SHUTDOWN
0V
VOUT
1V/div
0V
500µs/div
VIN = 3.6V, VOUT = -2V, IOUT = 4mA
LOAD-TRANSIENT RESPONSE
VSHDN
2V/div
LINE-TRANSIENT RESPONSE
VOUT
20mV/div
5ms/div
VIN = 3.6V, VOUT = -2V
0.01mA
4mA IOUT
5ms/div
VOUT = -2V, IOUT = 4mA, AC COUPLED
6 _______________________________________________________________________________________
VOUT
10mV/div
3.3V
2.7V VIN
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