User Manual

MAX11008
Dual RF LDMOS Bias Controller with
Nonvolatile Memory
12 ______________________________________________________________________________________
2.48
2.49
2.50
2.51
2.52
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX11008 toc26
TEMPERATURE (
°
C)
REFERENCE VOLTAGE (V)
-50 25 50-25 0 75 100 125
V
REFDAC
V
REFADC
2.0
1.5
1.0
0.5
0
4.750 5.0004.875 5.125 5.250
ADC OFFSET ERROR
vs. ANALOG SUPPLY VOLTAGE
MAX11008 toc27
AV
DD
(V)
ADC OFFSET ERROR (LSB)
0
1
2
3
4
ADC OFFSET ERROR vs. TEMPERATURE
MAX11008 toc28
TEMPERATURE (
°
C)
ADC OFFSET ERROR (LSB)
-50 25 50-25 0 75 100 125
0
1.0
0.5
2.0
1.5
2.5
3.0
4.750 5.0004.875 5.125 5.250
ADC GAIN ERROR
vs. ANALOG SUPPLY VOLTAGE
MAX11008 toc29
AV
DD
(V)
ADC GAIN ERROR (LSB)
-3
-1
-2
1
0
3
2
4
-50 0 25-25 50 75 100 125
ADC GAIN EROR vs. TEMPERATURE
MAX11008 toc30
TEMPERATURE (
°
C)
ADC GAIN ERROR (LSB)
-1.0
-0.6
-0.8
0
-0.2
-0.4
0.6
0.4
0.2
0.8
-40 18-11 47 76 105
RELATIVE TEMPERATURE
ERROR vs. TEMPERATURE
MAX11008 toc31
TEMPERATURE (
°
C)
RELATIVE TEMPERATURE ERROR
INTERNAL TEMP
SENSOR
EXTERNAL TEMP
SENSOR
Typical Operating Characteristics (continued)
(AV
DD
= DV
DD
= 5V, external V
REFADC
= 2.5V, external V
REFDAC
= 2.5V, V
CS_-
= V
CS_+
= 32V, C
REF
= 0.1µF, T
A
= +25°C, unless oth-
erwise noted.)