Rainbow-electronics MAX5159 Bedienungsanleitung PDF herunterladen (Seite 5)

MAX5158/MAX5159

Low-Power, Dual, 10-Bit, Voltage-Output DACs

with Serial Interface

_______________________________________________________________________________________ 5

Note 5: Accuracy is specified from code 3 to code 1023.

Note 6: Accuracy is better than 1LSB for V

OUT

greater than 6mV and less than V

- 80mV. Guaranteed by PSRR test at the end

points.

Note 7: Digital inputs are set to either V

or DGND, code = 0000 hex, R

= ∞.

ELECTRICAL CHARACTERISTICS—MAX5159 (continued)

= +2.7V to +3.6V, V

REFA

= V

REFB

= 1.25V, R

= 10kΩ, C

= 100pF, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values

are at T

= +25°C (OS_ pins tied to AGND for a gain of +2V/V).)

(Note 4)

(Note 7)

ns40t

SCLK Pulse Width Low

CONDITIONS

ns40t

SCLK Pulse Width High

ns100t

SCLK Clock Period

µA±1

Reference Current in

Shutdown

µA1 8I

DD(SHDN)

Power-Supply Current

in Shutdown

mA0.5 0.6I

Power-Supply Current

V2.7 3.6V

Positive Supply Voltage

ns50t

SDI Setup Time

ns0t

CSH

SCLK Rise to CS Rise

Hold Time

ns40t

CSS

CS Fall to SCLK Rise

Setup Time

LOAD

= 200pF

LOAD

= 200pF

ns120

UNITSMIN TYP MAXSYMBOLPARAMETER

DO2

SCLK Fall to DOUT Valid

Propagation Delay

ns120t

DO1

SCLK Rise to DOUT Valid

Propagation Delay

ns0t

SDI Hold Time

ns100t

CSW

CS Pulse Width High

ns40t

CS1

CS Rise to SCLK Rise Hold

ns10t

CS0

SCLK Rise to CS Fall Delay

POWER SUPPLIES

TIMING CHARACTERISTICS

1 2 3 4 5 6 7 8 9 10 ... 15 16

MAX5158/MAX5159 1

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