Rainbow-electronics MAX1123 Manual do Utilizador descarregar pdf (Página 7)

MAX1123

1.8V, 10-Bit, 210Msps Analog-to-Digital Converter

with LVDS Outputs for Wideband Applications

_______________________________________________________________________________________ 7

SINAD vs. TEMPERATURE (f

= 64.9974MHz,

SAMPLE

= 210.0428MHz, A

= -0.5dBFS)

MAX1123 toc19

TEMPERATURE (

SINAD (dBc)

603510-15

-40 85

SFDR vs. TEMPERATURE (f

= 64.9974MHz,

SAMPLE

= 210.0428MHz, A

= -0.5dBFS)

MAX1123 toc20

TEMPERATURE (

SFDR (dBc)

603510-15

-40 85

POWER DISSIPATION vs. f

SAMPLE

= 60.0126MHz, A

= -0.5dBFS)

MAX1123 toc21

SAMPLE

(MHz)

DISS

(mW)

1701309050

435

455

445

475

465

495

485

425

10 2101501107030 190

FS VOLTAGE vs. FS ADJUST RESISTOR

MAX1123 toc22

FS ADJUST RESISTOR (Ω)

(V)

900800600 700200 300 400 500100

1.18

1.20

1.22

1.24

1.26

1.28

1.30

1.32

1.34

1.16

01000

RESISTOR VALUE APPLIED

BETWEEN REFADJ AND AGND

RESISTOR VALUE APPLIED

BETWEEN REFADJ AND REFIO

FIGURE 6

SNR vs. VOLTAGE SUPPLY

= 60.0126MHz, A

= -0.5dBFS)

MAX1123 toc23

VOLTAGE SUPPLY (V)

SNR

(dB)

2.01.91.81.71.6

1.5 2.1

= OV

INTERNAL REFERENCE vs. SUPPLY VOLTAGE

SAMPLE

= 210.0057MHz)

MAX1123 toc24

SUPPLY VOLTAGE (V)

REFIO

(V)

2.01.91.81.71.6

1.2305

1.2310

1.2315

1.2320

1.2325

1.2300

1.5 2.1

MEASURED AT THE REFIO PIN

REFADJ = AV

= OV

0.0E+00

1.0E+04

3.0E+05

2.0E+04

4.0E+05

5.0E+05

511

13207

512 513

174671

514 515

219

NOISE HISTOGRAM

(DC INPUT, 256k-POINT DATA RECORD)

MAX1123 toc25

DIGITAL OUTPUT NOISE

CODE COUNTS

467263

SAMPLE

210MHz

PROPAGATION DELAY TIMES

vs. TEMPERATURE

MAX1123 toc26

TEMPERATURE (

PROPAGATION DELAY (ns)

603510-15

-40 85

CPDL

PDL

Typical Operating Characteristics (continued)

(AV

= OV

= 1.8V, AGND = OGND = 0, f

SAMPLE

= 210.0057MHz, -0.5dBFS; see TOCs for detailed information on test condi-

tions, differential input drive, differential sine-wave clock input drive, 0.1µF capacitor on REFIO, internal reference, digital output pins

differential R

= 100Ω, T

= +25°C.)

1 2 3 4 5 6 7 8 9 10 11 12 ... 16 17

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