Rainbow-electronics MAX1195 Manual de usuario descargar pdf (Pagina 9)

MAX1195

Dual, 8-Bit, 40Msps, 3V, Low-Power ADC with

Internal Reference and Parallel Outputs

_______________________________________________________________________________________ 9

Typical Operating Characteristics (continued)

= 3V, OV

= 3V, V

REFIN

= 2.048V, differential input at -1dB FS, f

CLK

= 40MHz, C

≈ 10pF T

= +25°C, unless otherwise

noted.)

INTERNAL REFERENCE VOLTAGE

vs. TEMPERATURE

MAX1195 toc26

TEMPERATURE (°C)

REFOUT

(V)

603510-15

2.024

2.028

2.032

2.036

2.040

2.020

-40 85

INTERNAL REFERENCE VOLTAGE

vs. ANALOG SUPPLY VOLTAGE

MAX1195 toc25

(V)

REFOUT

(V)

3.453.303.153.002.85

2.0304

2.0308

2.0312

2.0316

2.0320

2.0324

2.0300

2.70 3.60

SNR/SINAD, THD/SFDR

vs. CLOCK DUTY CYCLE

MAX1195 toc24

CLOCK DUTY CYCLE (%)

SNR/SINAD, THD/SFDR (dB, dBc)

605040

30 70

SNR

SINAD

THD

SFDR

= 19.9159303MHz

DIGITAL SUPPLY CURRENT

vs. ANALOG INPUT FREQUENCY

MAX1195 toc23

ANALOG INPUT FREQUENCY (MHz)

OVDD

(mA)

161284

020

ANALOG SUPPLY CURRENT

vs. TEMPERATURE

MAX1195 toc22

TEMPERATURE (°C)

VDD

(mA)

6035-15 10

-40 85

SNR/SINAD, THD/SFDR

vs. SAMPLING SPEED

MAX1195 toc21

SAMPLING SPEED (Msps)

SNR/SINAD, THD/SFDR (dB, dBc)

80604020

-80

-60

-40

-20

100

-100

0 100

SFDR

SNR

SINAD

THD

= 19.9159303MHz

OFFSET ERROR vs. TEMPERATURE, EXTERNAL

REFERENCE V

REFIN

= 2.048V

MAX1195 toc20

TEMPERATURE (°C)

OFFSET ERROR (%FS)

603510-15

-0.6

-0.4

-0.2

0.2

-0.8

-40 85

CHA

CHB

GAIN ERROR vs. TEMPERATURE, EXTERNAL

REFERENCE V

REFIN

= 2.048V

MAX1195 toc19

TEMPERATURE (°C)

GAIN ERROR (%FS)

603510-15

0.1

0.2

0.3

0.4

0.5

-0.1

-40 85

CHA

CHB

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 21 22

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Rainbow-electronics MAX1195 Manual de usuario Pagina 9

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