Rainbow-electronics MAX6931 Manual de usuario descargar pdf (Pagina 3)

MAX6921/MAX6931

20-Output, 76V, Serial-Interfaced

VFD Tube Drivers

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

(Typical Operating Circuit, V

= 8V to 76V, V

= 3V to 5.5V, V

= -11V to 0V, V

- V

≤ 76V, T

= T

MIN

to T

MAX

, unless other-

wise noted.) (Note 1)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

= +25°C 0.75 1

= -40°C to +85°C 1.5

≥ 15V

OUT

= 1mA

= -40°C to +125°C 1.9

= +25°C 0.8 1.1

= -40°C to +85°C 1.6

Low-Voltage OUT_

(MAX6921 Only)

8V < V

< 15V

OUT

= 1mA

= -40°C to +125°C 2.0

= +25°CV

+ 0.75 V

+ 1

= -40°C to +85°CV

+ 1.5

≥ 15V

OUT

= 1mA

= -40°C to +125°CV

+ 1.9

= +25°CV

+ 0.8 V

+ 1.1

= -40°C to +85°CV

+ 1.6

Low-Voltage OUT_

(MAX6931 Only)

8V < V

< 15V

OUT

= 1mA

= -40°C to +125°CV

+ 2.0

Rise Time OUT_ (20% to 80%) t

= 60V, C

= 50pF, R

=2.3kΩ 0.9 2 µs

Fall Time OUT_ (80% to 20%) t

= 60V, C

= 50pF, R

=2.3kΩ 0.6 1.5 µs

SERIAL INTERFACE TIMING CHARACTERISTICS

LOAD Rising to OUT_ Falling

Delay

(Notes 2, 3) 0.9 1.8 µs

LOAD Rising to OUT_ Rising

Delay

(Notes 2, 3) 1.2 2.4 µs

BLANK Rising to OUT_ Falling

Delay

(Notes 2, 3) 0.9 1.8 µs

BLANK Falling to OUT_ Rising

Delay

(Notes 2, 3) 0.5 1.3 2.5 µs

Input Leakage Current

CLK, DIN, LOAD, BLANK

, I

0.05 10 µA

Logic-High Input Voltage

CLK, DIN, LOAD, BLANK

0.8 x

Logic-Low Input Voltage

CLK, DIN, LOAD, BLANK

0.3 x

Hysteresis Voltage

DIN, CLK, LOAD, BLANK

∆V

0.6 V

High-Voltage DOUT V

SOURCE

= -1.0mA

0.5

Low-Voltage DOUT V

SINK

= 1.0mA 0.5 V

1 2 3 4 5 6 7 8 ... 13 14

MAX6921/MAX6931 1
VFD Tube Drivers 1

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Rainbow-electronics MAX6931 Manual de usuario Pagina 3

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