Rainbow-electronics MAX5259 Bedienungsanleitung PDF herunterladen (Seite 5)

MAX5258/MAX5259

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

with Rail-to-Rail Output Buffers

_______________________________________________________________________________________ 5

ELECTRICAL CHARACTERISTICS (MAX5259) (continued)

= +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

Digital Feedthrough

Code = 00 hex

0.1 nV-s

Digital-to-Analog Glitch Impulse Code = 80 to code = 7F hex 20 nV-S

REF

= 2.5V

p-p

at 1kHz centered at 1.5V

code = FF hex

Signal-to-Noise Plus Distortion

Ratio

SINAD

REF

= 2.5V

p-p

at 10kHz centered at 1.5V

code = FF hex

Multiplying Bandwidth

REF

= 0.1V

p-p

centered at V

/2, -3dB

bandwidth

700 kHz

Wideband Amplifier Noise 60 µV

POWER REQUIREMENTS

Power-Supply Voltage V

2.7 3.6 V

Supply Current I

1.3 2.6 mA

Shutdown Supply Current I

SHDN

0.24 10 µA

TIMING CHARACTERISTICS (MAX5258)

REF

= +4.096V, GND = 0, C

DOUT

= 100pF, T

= T

MIN

to TMAX, unless otherwise noted. Typical values are at V

= +5V and

= +25°C.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Rise-to-CS Fall-Setup Time t

VDCS

5 µs

LDAC Pulse Width Low t

LDAC

40 20 ns

CS Rise-to-LDAC Fall-Setup Time

(Note 4)

CLL

40 ns

CS Pulse Width High t

CSW

90 ns

SCLK Clock Frequency (Note 5) f

CLK

10 MHz

SCLK Pulse Width High t

40 ns

SCLK Pulse Width Low t

40 ns

CS Fall-to-SCLK Rise-Setup Time t

CSS

40 ns

SCLK Rise-to-CS Rise-Hold Time t

CSH

0ns

DIN to SCLK Rise-to-Setup Time t

40 ns

DIN to SCLK Rise-to-Hold Time t

0ns

SCLK Rise-to-DOUT Valid

Propagation Delay (Note 6)

DO1

200 ns

SCLK Fall-to-DOUT Valid

Propagation Delay (Note 7)

DO2

210 ns

CS Rise-to-SCLK Rise-Setup

Time

CS1

40 ns

1 2 3 4 5 6 7 8 9 10 ... 19 20

MAX5258/MAX5259 1

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