Datasheet

MAX11014/MAX11015
Automatic RF MESFET Amplifier
Drain-Current Controllers
______________________________________________________________________________________ 11
8
6
4
2
0
2.5 4.03.0 3.5 4.5 5.0 5.5
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
MAX11014 toc01
DV
DD
SUPPLY VOLTAGE (V)
DV
DD
SUPPLY CURRENT (mA)
AV
DD
= 5.25V
2.40
2.41
2.43
2.42
2.44
2.45
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX11014 toc02
AV
DD
SUPPLY VOLTAGE (V)
AV
DD
SUPPLY CURRENT (mA)
4.750 5.0004.875 5.125 5.250
-0.4
-0.2
0
0.2
0.4
RCS ERROR vs. TEMPERATURE
MAX11014 toc03
TEMPERATURE (°C)
RCS ERROR (mV)
-50 25 50-25 0 75 100 125
AFTER CALIBRATION
BEFORE CALIBRATION
40μs/div
-5V
MAX11014 toc04
V
GATE
1V/div
GATE VOLTAGE POWER-UP
0
200
100
400
300
500
600
0 500
FILT1/FILT3 SETTLING TIME
vs. FILT1/FILT3 CAPACITIVE LOAD
MAX11014 toc05
CAPACITIVE LOAD (pF)
SETTLING TIME (μs)
200100 300 400
10% TO 90%
t
RISE
t
FALL
0.50
0.25
0
-0.25
-0.50
-10 0-5 5 10
RCS ERROR vs. GATE CURRENT
MAX11014 toc06
GATE CURRENT (mA)
RCS ERROR (mV)
SOURCING
SINKING
20
15
10
5
0
-5 -3-4 -2 -1 0
MAX11014 toc07
V
GATE
(V)
GATE OUTPUT RESISTANCE (Ω)
GATEV
SS
= AV
SS
= -5V
GATE OUTPUT RESISTANCE
vs. GATE VOLTAGE
1μs/div
FILT1
1mV/div
AC-COUPLED
MAX11014 toc08
GLITCH IMPULSE
-1.00
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
0 1024 2048 3072 4096
DAC INTEGRAL NONLINEARITY
vs. OUPUT CODE
MAX11014 toc09
OUTPUT CODE
DAC INL (LSB)
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.)