MAX1385 Datasheet, PDF (14/52 Pages) Maxim Integrated Products – Dual RF LDMOS Bias Controllers with I2C/SPI Interface

Dual RF LDMOS Bias Controllers
with I²C/SPI Interface
Typical Operating Characteristics (continued)
(GATEV_DD = +5.5V for the MAX1385, GATEV_DD = +11V for the MAX1386, AV_DD = DV_DD = +5V, external V_REFADC = +2.5V, external
V_REFDAC = +2.5V, C_REF = 0.1µF, T_A = +25°C, unless otherwise noted.)
INTERNAL REFERENCE
vs. TEMPERATURE
2.509
AV_DD = 5V
2.504
ADC OFFSET ERROR vs. TEMPERATURE
0.100
0.075
AV_DD = 5V
0.050
2.499
2.494
0.025
0
-0.025
2.489
-0.050
-0.075
2.484
-40 -25 -10 5 20 35 50 65 80
TEMPERATURE (°C)
-0.100
-40 -25 -10 5 20 35 50 65 80
TEMPERATURE (°C)
ADC OFFSET ERROR vs. AV_DD VOLTAGE
0.100
0.075
0.050
0.025
0
-0.025
-0.050
-0.075
-0.100
4.75 4.85 4.95 5.05 5.15 5.25
AV_DD (V)
ADC GAIN ERROR vs. TEMPERATURE
0.05
0.04
AV_DD = 5V
0.03
0.02
0.01
0
-0.01
-0.02
-0.03
-0.04
-0.05
-40 -25 -10 5 20 35 50 65 80
TEMPERATURE (°C)
INTERNAL TEMPERATURE SENSOR
ERROR vs. TEMPERATURE
0
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
-1.4
-40 -20
0 20 40 60 80
TEMPERATURE (°C)
EXTERNAL TEMPERATURE SENSOR
ERROR vs. TEMPERATURE
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
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