Rainbow-electronics MAX1386 Manual de usuario descargar pdf (Pagina 7)

MAX1385/MAX1386

Dual RF LDMOS Bias Controllers

with I

C/SPI Interface

_______________________________________________________________________________________ 7

C SLOW-/FAST-MODE TIMING CHARACTERISTICS (Note 12, see Figure 1)

(GATEV

= +5.5V for MAX1385, GATEV

= +11V for MAX1386, AV

= +5V, DV

= 2.7V to 5.25V, external V

REFADC

= +2.5V,

external V

REFDAC

= +2.5V, C

REF

= 0.1µF, T

= -40°C to +85°C, unless otherwise noted).

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Serial-Clock Frequency f

SCL

0 400 kHz

Bus Free Time Between STOP

and START Condition

BUF

1.3 µs

Hold Time Repeated START

Condition

;

STA

After this period, the first clock pulse is

generated

0.6 µs

SCL Pulse-Width Low t

LOW

1.3 µs

SCL Pulse-Width High t

HIGH

0.6 µs

Setup Time Repeated START

Condition

SU;STA

0.6 µs

Data Hold Time t

;

DAT

(Note 13) 0 0.9 µs

Data Setup Time t

;

DAT

100 ns

Rise Time of Both SDA and SCL

Signals, Receiving

(Note 14) 0 300 ns

Fall Time of Both SDA and SCL

Signals, Receiving

(Note 14) 0 300 ns

Fall Time of SDA Signal,

Transmitting

(Notes 14, 15)

20 +

0.1C

250 ns

Setup Time for STOP Condition t

;

STO

0.6 µs

Capacitive Load for Each Bus

Line

400 pF

Pulse Width of Spikes

Suppressed by the Input Filter

(Note 16) 0 50 ns

1 2 3 4 5 6 7 8 9 10 11 12 ... 51 52

MAX1385/MAX1386 1
C/SPI Interface 1

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Rainbow-electronics MAX1386 Manual de usuario Pagina 7

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