Rainbow-electronics MAX5302 Manual de usuario descargar pdf (Pagina 3)

MAX5302

Low-Power, 12-Bit Voltage-Output DAC

with Serial Interface

_______________________________________________________________________________________ 3

(Note 3)

CS = V

, DIN = 100kHz

Rail-to-rail (Note 2)

To ±1/2LSB, V

STEP

= 2.5V

CONDITIONS

mA0.28 0.4I

Supply Current

V4.5 5.5V

Supply Voltage

nVs5Digital Feedthrough

µs20Start-Up Time

µA0.001 ±0.1Current into FB

V0 to V

Output Voltage Swing

µs14Output Settling Time

V/µs0.6SRVoltage Output Slew Rate

UNITSMIN TYP MAXSYMBOLPARAMETER

(Note 3) µA420Supply Current in Shutdown

µA0.001 ±0.5Reference Current in Shutdown

ns40t

SCLK Pulse Width High

ns100t

SCLK Clock Period

ns40t

CSS

CS Fall to SCLK Rise Setup Time

ns40t

DIN Setup Time

ns0t

CSH

SCLK Rise to CS Rise Hold Time

ns40t

SCLK Pulse Width Low

ns40t

CS1

CS Rise to SCLK Rise Hold Time

ns100t

CSW

CS Pulse Width High

ns40t

CS0

SCLK Rise to CS Fall Delay

ns0t

DIN Hold Time

Note 1: Guaranteed from code 11 to code 4095 in unity-gain configuration.

Note 2: Accuracy is better than 1LSB for V

OUT

= 8mV to (V

- 100mV), guaranteed by a power-supply rejection test at the end

points.

Note 3: R

= ∞, digital inputs at GND or V

DIGITAL INPUTSDYNAMIC PERFORMANCE

POWER SUPPLIES

TIMING CHARACTERISTICS (Figure 6)

ELECTRICAL CHARACTERISTICS (continued)

(Circuit of Figure 8, V

= +5V ±10%, V

REF

= +2.5V, R

= 5kΩ, C

= 100pF, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical val-

ues are at T

= +25°C. Output buffer connected in unity-gain configuration.)

1 2 3 4 5 6 7 8 ... 11 12

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Rainbow-electronics MAX5302 Manual de usuario Pagina 3

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