Rainbow-electronics MAX5159 Manual do Utilizador descarregar pdf (Página 6)

MAX5158/MAX5159

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

with Serial Interface

6 _______________________________________________________________________________________

__________________________________________Typical Operating Characteristics

= +5V, R

= 10kΩ, C

= 100pF, OS_ pins tied to AGND, T

= +25°C, unless otherwise noted.)

-20

-16

-18

-12

-14

-8

-10

-6

-2

-4

1 370 740 1110 1480 1850

REFERENCE VOLTAGE INPUT

FREQUENCY RESPONSE

MAX5158/5159-01

FREQUENCY (kHz)

RELATIVE OUTPUT (dB)

REF

= 0.67Vp-p @ 2.5V

CODE = 1FF8 (HEX)

400

450

550

500

650

600

700

-55 5-15-35 4525 65 10585 125

SUPPLY CURRENT vs. TEMPERATURE

MAX5158/5159 toc02

TEMPERATURE (°C)

SUPPLY CURRENT (µA)

REF

= 2.048V

= ∞

CODE = 1FF8 (HEX)

CODE = 0000 (HEX)

-30

-80

1 10 100

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. FREQUENCY

-70

MAX5158/5159 toc03

FREQUENCY (kHz)

THD + NOISE (dB)

-60

-50

-40

REF

= 1Vp-p @ 2.5V

CODE = 1FF8 (HEX)

0.1 1 10 100

FULL-SCALE ERROR vs. RESISTIVE LOAD

-0.75

-1.0

-0.5

-0.25

0.25

0.50

MAX5158/5159 toc04

(kΩ)

FULL-SCALE ERROR (LSB)

-100

-80

-90

-60

-70

-40

-50

0.5 1.6 2.7 3.8 4.9 6.0

-30

-10

-20

OUTPUT FFT PLOT

MAX5158/5159 toc07

REF

= 2.45Vp-p @ 1.225V

f = 1kHz

CODE = 1FF8 (HEX)

NOTE: RELATIVE TO FULL-SCALE

FREQUENCY (kHz)

RELATIVE OUTPUT (dB)

-150

-130

-140

-110

-120

-90

-100

-80

-60

-70

-50

0.5 1.5 2.0 2.51.0 3.0 3.5 4.0 5.04.5 5.5

REFERENCE FEEDTHROUGH AT 1kHz

MAX5158/5159 toc05

FREQUENCY (kHz)

RELATIVE OUTPUT (dB)

REF

= 3.6Vp-p @ 1.88V

CODE = 0000 (HEX)

-55 5 25-15-35 45 65 85 105 125

SHUTDOWN CURRENT

vs. TEMPERATURE

MAX5158/5159 toc06

TEMPERATURE (°C)

SHUTDOWN CURRENT (µA)

REF

= 1V

DYNAMIC RESPONSE RISE TIME

MAX5158/5159 toc08

2µs/div

OUT_

1V/div

5V/div

REF

= 2.048V

2µs/div

DYNAMIC RESPONSE FALL TIME

MAX5158/5159 toc09

REF

= 2.048V

OUT_

1V/div

5V/div

MAX5158

1 2 3 4 5 6 7 8 9 10 11 ... 15 16

MAX5158/MAX5159 1

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