MAX11014_08 Datasheet, PDF (11/70 Pages) Maxim Integrated Products – Automatic RF MESFET Amplifier Drain-Current Controllers

Automatic RF MESFET Amplifier
Drain-Current Controllers
Typical Operating Characteristics
(V_GATEVSS = -5.5V; V_AVDD = V_DVDD = +5V, GATEV_SS = AV_SS = -5V, external V_REFADC = +2.5V; external V_REFDAC = +2.5V; C_REF =
0.1µF; T_A = T_MIN to T_MAX, unless otherwise noted.)
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
8
AV_DD = 5.25V
6
4
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
2.45
2.44
2.43
2.42
RCS ERROR vs. TEMPERATURE
0.4
0.2
AFTER CALIBRATION
0
2
2.41
-0.2
BEFORE CALIBRATION
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
DV_DD SUPPLY VOLTAGE (V)
GATE VOLTAGE POWER-UP
MAX11014 toc04
2.40
4.750
4.875 5.000 5.125
AV_DD SUPPLY VOLTAGE (V)
5.250
FILT1/FILT3 SETTLING TIME
vs. FILT1/FILT3 CAPACITIVE LOAD
600
10% TO 90%
500
t_FALL
400
-0.4
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
RCS ERROR vs. GATE CURRENT
0.50
0.25
40µs/div
300
V_GATE
1V/div
200
-5V
100
0
0
t_RISE
100 200 300 400 500
CAPACITIVE LOAD (pF)
0
-0.25
SOURCING
SINKING
-0.50
-10
-5
0
5
10
GATE CURRENT (mA)
GATE OUTPUT RESISTANCE
vs. GATE VOLTAGE
20
GATEV_SS = AV_SS = -5V
15
10
5
0
-5
-4
-3
-2
-1
0
V_GATE (V)
GLITCH IMPULSE
MAX11014 toc08
FILT1
1mV/div
AC-COUPLED
1µs/div
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
0
DAC INTEGRAL NONLINEARITY
vs. OUPUT CODE
1024
2048
3072
4096
OUTPUT CODE
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