Rainbow-electronics MAX5157 Manual do Utilizador descarregar pdf (Página 7)

MAX5156/MAX5157

Low-Power, Dual, 12-Bit Voltage-Output DACs

with Configurable Outputs

_______________________________________________________________________________________

-20

-16

-18

-12

-14

-8

-10

-6

-2

-4

0 500 1000 1500 2000 2500

REFERENCE VOLTAGE INPUT

FREQUENCY RESPONSE

MAX5156 TOC10

FREQUENCY (kHz)

RELATIVE OUTPUT (dB)

REF

= 0.67Vp-p @ 1.25V

CODE = 1FFE (HEX)

0.40

0.50

0.45

0.55

0.60

-60 20 60-20 100 140

SUPPLY CURRENT

vs. TEMPERATURE

MAX5156 TOC11

TEMPERATURE (°C)

SUPPLY CURRENT (mA)

CODE = 1FFE (HEX)

CODE = 0000 (HEX)

∞

-30

-90

0 10 100

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. FREQUENCY

-70

-50

-60

-80

-40

MAX5156 TOC12

FREQUENCY (kHz)

THD + NOISE (dB)

REF

= 1Vp-p @ 1V

CODE = 1FFE (HEX)

-0.6

0.1 1 10 100 1000

FULL-SCALE ERROR vs. RESISTIVE LOAD

-0.4

MAX5156 TOC13

(kΩ)

FULL-SCALE ERROR (LSB)

-0.5

-0.3

-0.2

-0.1

REF

= 1.25V

-100

-80

-90

-60

-70

-40

-50

-30

-10

-20

0.5 1.5 2.0 2.51.0 3.0 3.5 4.0 5.04.5 5.5

OUTPUT FFT PLOT

MAX5156-TOC16

FREQUENCY (kHz)

RELATIVE OUTPUT (dB)

REF

= 1.6Vp-p @ 0.88V

f = 1kHz

CODE = 1FFE (HEX)

NOTE: RELATIVE TO FULL SCALE

-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

MAX5156-TOC14

FREQUENCY (kHz)

RELATIVE OUTPUT (dB)

REF

= 1.6Vp-p @ 0.88V

CODE = 0000 (HEX)

1.5

1.0

0.5

2.0

2.5

3.0

-55 255-35 -15 45 65 85 105 125

POWER-DOWN CURRENT

vs. TEMPERATURE

MAX5156 TOC15

TEMPERATURE (°C)

POWER-DOWN CURRENT (µA)

OUT_

500mV/div

DYNAMIC-RESPONSE RISE TIME

MAX5156 TOC17

2µs/div

2V/div

OUT_

500mV/div

DYNAMIC-RESPONSE FALL TIME

MAX5156 TOC18

2µs/div

2V/div

____________________________Typical Operating Characteristics (continued)

= +3V, R

= 10kΩ, C

= 100pF, FB_ connected to OUT_, T

= +25°C, unless otherwise noted.)

MAX5157

1 2 3 4 5 6 7 8 9 10 11 12 ... 15 16

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