Rainbow-electronics MAX5480 Manual do Utilizador descarregar pdf (Página 3)

MAX5480

8-Bit Parallel DAC in

QSOP-16 Package

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

= +5V, V

REF

= +10V, V

OUT1

= V

OUT2

= 0V, Circuit of Figure 1, T

= T

MIN

to T

MAX

, unless otherwise noted.)

Note 1: Gain error is measured using internal feedback resistor. Full-scale range (FSR) = V

REF

Note 2: Gain TempCo measured from +25°C to T

MAX

and from +25°C to T

MIN

Note 3: Guaranteed by design.

Input Capacitance (Note 3)

WR, CS

D0–D7

= +25°C

PARAMETER SYMBOL MIN TYP MAX UNITS

100

Supply Current I

500

Input Current I

±10

µA

±1

µA

= T

MIN

to T

MAX

Chip-Select to Write-

Setup Time

220

CONDITIONS

= T

MIN

to T

MAX

= +25°C; V

= 0V to V

Digital inputs at 0V or V

MAX5480A

Input Low Voltage V

0.8 V

Input High Voltage V

2.4 V

35MAX5480B

Chip-Select to Write-

Hold Time

0MAX5480A

0MAX5480B

Write Pulse Width

220MAX5480A

35MAX5480B

Data-Setup Time

170MAX5480A

55MAX5480B

Data-Hold Time

10MAX5480A

-7MAX5480B

POWER REQUIREMENTS

SWITCHING CHARACTERISTICS (Figure 4)

DIGITAL INPUTS

______________________________________________________________Pin Description

NAME FUNCTION

1 OUT1 R-2R Ladder Output

2 OUT2 R-2R Ladder Output, complement of OUT1

3 GND Ground

4–11 D7–D0 Data Inputs, D7 is the most significant bit.

Chip Select Input. Active Low.

Write Control Input. Active Low.

14 V

Power Supply Input, +5V

15 REF Reference Voltage Input

16 RFB Feedback Resistor Connection

1 2 3 4 5 6

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