Rainbow-electronics MAX5259 Manual do Utilizador descarregar pdf (Página 4)

MAX5258/MAX5259

+3V/+5V, Low-Power, 8-Bit Octal DAC

with Rail-to-Rail Output Buffers

4 _______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (MAX5259)

= +2.7V to +3.3V, V

REF

= +2.5V, GND = 0, R

= 10kΩ, C

= 100pF, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values

are at V

= +3V, and T

= +25°C.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

STATIC ACCURACY

Resolution 8 Bits

Integral Non Linearity (Note 1) INL ±0.1 ±1 LSB

Differential Non Linearity (Note 1) DNL Guaranteed monotonic (all codes) ±0.1 ±1 LSB

Zero-Code Error ZCE Code = 0A hex ±2.5 ±20 mV

Zero-Code Error Supply

Rejection

Code = 0A hex. 0.15 1 LSB

Zero-Code Temperature

Coefficient

Code = 0A hex ±10 µV/

Full-Scale Error Code = FF hex ±0.7 ±30 mV

Full-Scale Error Supply Rejection Code = FF hex 0.2 1 LSB

Full-Scale Temperature

Coefficient

Code = FF hex ±10 µV/

REFERENCE INPUTS

Input Voltage Range 0V

Input Resistance 161 218 300 kΩ

Input Capacitance 20 pF

DAC OUTPUTS

Output Voltage Swing R

= 10kΩto GND 0

–

0.3

Output Voltage Range R

= 10kΩ to GND 0 V

REF

DIGITAL INPUTS

Input High Voltage V

0.7 x

Input Low Voltage V

0.3 x

Input Current I

= 0 to V

±1.0 µA

Input Capacitance C

(Note 3) 10 pF

DIGITAL OUTPUTS

Output High Voltage V

SOURCE

= 0.2mA

–

0.5

Output Low Voltage V

SINK

= 1.6mA 0.4 V

DYNAMIC PERFORMANCE

Voltage-Output Slew Rate Code = FF hex 0.55 V/µs

Output Settling Time

To 1/2 LSB, from code 0A to code FF hex

(Note 2)

7 µs

1 2 3 4 5 6 7 8 9 ... 19 20

MAX5258/MAX5259 1

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