Rainbow-electronics MAX11043 Manual do Utilizador descarregar pdf (Página 9)

MAX11043

FINE DAC SETTLING

1% STEP-DOWN

MAX11043 toc12

1μs/div

20mV/div

1200mV

4-Channel, 16-Bit, Simultaneous-Sampling ADCs

with PGA, Filter, and 8-/12-Bit Dual-Stage DAC

_______________________________________________________________________________________ 9

FINE DAC NOISE FLOOR

FREQUENCY (kHz)

1401201004020 1801608060 200

MAX11043 toc13

20dBm/div

0dBm

COARSE DAC DNL

vs. CODE

MAX11043 toc14

CODE (LSB)

DNL (LSB)

19212864

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

1.0

-1.0

0256

CODES 3 TO 255

DACH

DACL

E DA

INL

vs. CODE

MAX11043 toc15

CODE (LSB)

INL (LSB)

19212864

-0.4

-0.3

-0.2

-0.1

0.1

0.2

0.3

0.4

0.5

-0.5

0 256

CODES 3 TO 255

DACH

DACL

COARSE DAC SETTLING TIME,

POSITIVE STEP

MAX11043 toc16

2ms/div

200mV/div

COARSE DAC SETTLING TIME,

NEGATIVE STEP

MAX11043 toc17

2ms/div

200mV/div

DVREG VOLTAGE vs. TEMPERATURE

MAX11043 toc18

TEMPERATURE (°C)

DVREG VOLTAGE (V)

120100806040200-20

2.363

2.364

2.365

2.366

2.367

2.368

2.369

2.362

-40

Typical Operating Characteristics (continued)

AVDD

= +3.3V, V

DVDD

= +3.0V, f

SCLK

= f

EXCLK

= 19.2MHz, V

REFBP

, V

REF_

= +2.5V, common-mode input voltage = AVDD/2,

= +25°C, unless otherwise noted.)

POWER-ON RESET

vs. TEMPERATURE

MAX11043 toc19

TEMPERATURE (°C)

SUPPLY VOLTAGE (V)

12010060 8002040-20

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

-40

ANALOG SUPPLY

DIGITAL SUPPLY

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 31 32

MAX11043 1

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