Datasheet

MAX11014/MAX11015
Automatic RF MESFET Amplifier
Drain-Current Controllers
12 ______________________________________________________________________________________
Typical Operating Characteristics (continued)
(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.)
-1.00
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
0 1024 2048 3072 4096
DAC DIFFERTIAL NONLINEARITY
vs. OUTPUT CODE
MAX11014 toc10
OUTPUT CODE
DAC DNL (LSB)
-1.00
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
0 1024 2048 3072 4096
ADC INTEGRAL NONLINEARITY
vs. OUTPUT CODE
MAX11014 toc11
OUTPUT CODE
ADC INL (LSB)
-1.00
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
0 1024 2048 3072 4096
ADC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
MAX11014 toc12
OUTPUT CODE
ADC DNL (LSB)
60
70
65
75
80
0.1 101 100 1000
ADC SINAD vs. FREQUENCY
MAX11014 toc13
FREQUENCY (kHz)
SINAD (dB)
50
60
80
70
90
100
0.1 101 100 1000
ADC SFDR vs. FREQUENCY
MAX11014 toc14
FREQUENCY (kHz)
SFDR (dB)
0.001
0.01
0.1
0.1 101 100 1000
ADC TOTAL HARMONIC DISTORTION
vs. FREQUENCY
MAX11014 toc15
FREQUENCY (kHz)
THD (%)
-120
-80
-100
-40
-60
-20
0
050
ADC FFT PLOT
MAX11014 toc16
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE (dB)
2010 30 40
f
ANALOG_IN
= 9.982kHz
f
CLK
= 3.052MHz
SINAD = 71.28dBc
SNR = 71.51dBc
THD = -84.18dBc
SFDR = -86.94dBc
3
4
6
5
7
8
0.1 101 100 1000
DIGITAL SUPPLY CURRENT
vs. SAMPLING RATE
MAX11014 toc17
SAMPLING RATE (ksps)
DV
DD
SUPPLY CURRENT (mA)
AV
DD
= DV
DD
= 5V
2.5026
2.5024
2.5022
2.5020
2.5018
4.750 5.0004.875 5.125 5.250
ADC INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
MAX11014 toc18
SUPPLY VOLTAGE (V)
ADC REFERENCE VOLTAGE (V)
AV
DD
= DV
DD