Rainbow-electronics MAX1386 Bedienungsanleitung PDF herunterladen (Seite 12)

MAX1385/MAX1386

Dual RF LDMOS Bias Controllers

with I

C/SPI Interface

12 ______________________________________________________________________________________

Typical Operating Characteristics (continued)

(GATEV

= +5.5V for the MAX1385, GATEV

= +11V for the MAX1386, AV

= DV

= +5V, external V

REFADC

= +2.5V, external

REFDAC

= +2.5V, C

REF

= 0.1µF, T

= +25°C, unless otherwise noted.)

PGAOUT_ 0mV TO 250mV

SENSE

TRANSIENT RESPONSE

MAX1385/86 toc10

SENSE

PGAOUT_

s/div

100mV/div

1V/div

PGAOUT_ PEDESTAL ERROR

DURING CALIBRATION

MAX1385/86 toc11

BUSY

PGAOUT_

s/div

2V/div

10mV/div

GATE_ OFFSET COMPENSATED

ERROR vs. TEMPERATURE

MAX1385/86 toc12

TEMPERATURE (

ERROR VOLTAGE (mV)

8065-25 -10 5 3520 50

-7

-6

-5

-4

-3

-2

-1

-8

-40

L_ERROR, AUTOCALIBRATION

H_ERROR, AUTOCALIBRATION

L_ERROR, NO AUTOCALIBRATION

H_ERROR, NO AUTOCALIBRATION

GATE

vs. POWER-ON TIME

MAX1385/86 toc13

GATE_

400

s/div

50mV/div

CHARGE CURRENT vs. V

GATE

MAX1385/86 toc15

GATE_

1ms/div

GATE_

2V/div

20mA/div

GATE_ SETTLING TIME

vs. LOAD CAPACITANCE

MAX1385/86 toc14

LOAD CAPACITANCE (

SETTLING TIME (ms)

101

0.1 100

SERIES

= 50

Ω

GATE_ VOLTAGE SWING

vs. LOAD RESISTANCE

MAX1385/86 toc16

LOAD RESISTANCE (Ω)

GATE_ VOLTAGE SWING (V)

10,0001000100

10 100,000

GLITCH ENERGY

MAX1385/86 toc17

1µs/div

10mV/div

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 51 52

MAX1385/MAX1386 1
C/SPI Interface 1

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