Rainbow-electronics MAX5259 Manual do Utilizador descarregar pdf (Página 3)

MAX5258/MAX5259

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

with Rail-to-Rail Output Buffers

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (MAX5258) (continued)

= +4.5V to +5.5V, V

REF

= +4.096V, GND = 0, R

= 10kΩ, C

= 100pF, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical

values are at V

= +5V and T

= +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

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)

10 µs

Digital Feedthrough Code = 00 hex

0.15

nV-s

Digital-to-Analog Glitch Impulse Code = 80 to code = 7F hex 30

nV-s

REF

= 4V

p-p

at 1kHz centered at 2.5V

code = FF hex

Signal-to-Noise Plus Distortion

Ratio

SINAD

REF

= 4V

p-p

at 10kHz centered at 2.5V

code = FF hex

Multiplying Bandwidth

REF

= 0.1V

p-p

centered at V

/2, -3dB

bandwidth

700

kHz

Wideband Amplifier Noise 16 µV

POWER REQUIREMENTS

Power-Supply Voltage V

4.5 5.5 V

Supply Current I

1.4 2.6 mA

Shutdown Supply Current

SHDN

0.45

10 µA

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

MAX5258/MAX5259 1

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