Rainbow Electronics MAX11008 - Manual (Page 9)

MAX11008
Dual RF LDMOS Bias Controller with
Nonvolatile Memory
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Typical Operating Characteristics
(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.)
2.06
2.07
2.08
2.09
2.10
4.7 4.9 4.8 5.0 5.1 5.2 5.3
ANALOG SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX11008 toc01
AV DD (V)
I AVDD
(mA)
DV DD = 5V
INT REF AND DACS TURNED ON
1.0
1.5
2.5
2.0
3.0
3.5
2.70 3.74 3.22 4.26 4.78 5.30
DIGITAL SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX11008 toc02
DV DD (V)
I DVDD
(mA)
AV DD = 5V
WD OSC TURNED ON
-0.8
-0.6
-0.2
-0.4
0
0.2
-40 20 -10 50 80 110
CURRENT-SENSE AMPLIFIER OUTPUT
ERROR vs. TEMPERATURE (G = 2)
MAX11008 toc03
TEMPERATURE (°C)
PGAOUT_ ERROR (%)
AFTER
CALIBRATION
BEFORE
CALIBRATION
-0.8
-0.4
-0.6
0
-0.2
0.2
0.4
-40 20 -10 50 80 110
CURRENT-SENSE AMPLIFIER OUTPUT
ERROR vs. TEMPERATURE (G = 10)
MAX11008 toc04
TEMPERATURE (°C)
PGAOUT_ ERROR (%)
AFTER
CALIBRATION
BEFORE
CALIBRATION
CURRENT-SENSE AMPLIFIER OUTPUT
ERROR vs. TEMPERATURE (G = 25)
MAX11008 toc05
TEMPERATURE (°C)
PGAOUT_ ERROR (%)
80 50 20 -10
-0.6
-0.3
0
0.3
-0.9
-40 110
AFTER
CALIBRATION
BEFORE
CALIBRATION
0
0.2
0.6
0.4
0.8
1.0
0 500 250 750 1000 1250
CURRENT-SENSE AMPLIFIER OUTPUT
ERROR vs. SENSE VOLTAGE (G = 2)
MAX11008 toc06
V SENSE (mV)
OUTPUT ERROR (%)
OUTPUT AT PGAOUT_
CMV = 32V
0
0.2
0.6
0.4
0.8
1.0
0 100 50 150 200 250
CURRENT-SENSE AMPLIFIER OUTPUT
ERROR vs. SENSE VOLTAGE (G = 10)
MAX11008 toc07
V SENSE (mV)
OUTPUT ERROR (%)
OUTPUT AT PGAOUT_
CMV = 32V
0
1
3
2
4
5
0 40 20 60 80 100
CURRENT-SENSE AMPLIFIER OUTPUT
ERROR vs. SENSE VOLTAGE (G = 25)
MAX11008 toc08
V SENSE (mV)
OUTPUT ERROR (%)
OUTPUT AT PGAOUT_
CMV = 32V
0
0.10
0.05
0.20
0.15
0.25
0.30
5 15 20 10 25 30 35
CURRENT-SENSE AMPLIFIER
OUTPUT ERROR vs. CMV
MAX11008 toc09
COMMON-MODE VOLTAGE (V)
OUTPUT ERROR (%)
V SENSE = 75mV
G = 2
G = 25
G = 10