Typical operating characteristics – Rainbow Electronics MAX11008 User Manual

Page 9

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MAX11008

Dual RF LDMOS Bias Controller with

Nonvolatile Memory

_______________________________________________________________________________________

9

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

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