MAX11014_08 Datasheet, PDF (13/70 Pages) Maxim Integrated Products – Automatic RF MESFET Amplifier Drain-Current Controllers

Automatic RF MESFET Amplifier
Drain-Current Controllers
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.)
DAC INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
2.5018
AV_DD = DV_DD
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
2.52
ADC OFFSET ERROR
vs. ANALOG SUPPLY VOLTAGE
2.0
2.5016
2.51
V_REFADC
1.5
2.5014
2.5012
2.50
1.0
V_REFDAC
2.49
0.5
2.5010
4.750
4.875 5.000 5.125
SUPPLY VOLTAGE (V)
5.250
ADC OFFSET ERROR vs. TEMPERATURE
4
3
2
1
0
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
INTERNAL TEMPERATURE SENSOR ERROR
vs. TEMPERATURE
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
2.48
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
ADC GAIN ERROR
vs. ANALOG SUPPLY VOLTAGE
3.0
2.5
2.0
1.5
1.0
0.5
0
4.750
4.875
5.000
AV_DD (V)
5.125
5.250
0 TO 100mV V_SENSE
TRANSIENT RESPONSE
MAX11014 toc26
V_RCS1-
100mV/div
V_PGAOUT1
200mV/div
GND
V_FILT1
200mV/div
10ms/div
0
4.750
4.875
5.000
AV_DD (V)
5.125
5.250
ADC GAIN EROR vs. TEMPERATURE
4
3
2
1
0
-1
-2
-3
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
0 TO 250mV V_SENSE
TRANSIENT RESPONSE
MAX11014 toc27
V_RCS1-
200mV/div
V_PGAOUT1
500mV/div
GND
10ms/div
V_FILT1
500mV/div
GND
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