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Typical operating characteristics (continued) – Rainbow Electronics MAX1126 User Manual

Page 13

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MAX1126

Quad, 12-Bit, 40Msps, 1.8V ADC with

Serial LVDS Outputs

______________________________________________________________________________________

13

ANALOG SUPPLY CURRENT

vs. SAMPLING RATE

f

CLK

(MHz)

I

AVDD

(mA)

MAX1126 toc28

240

250

230

260

270

220

35

30

25

20

40

DIGITAL SUPPLY CURRENT

vs. SAMPLING RATE

f

CLK

(MHz)

I

OVDD

(mA)

MAX1126 toc29

20

40

10

60

30

50

70

0

35

30

25

20

40

OFFSET ERROR

vs. TEMPERATURE

TEMPERATURE (°C)

OFFSET ERROR (%FS)

-15

10

60

35

-40

85

MAX1126 toc30

-0.015

-0.010

-0.005

0

0.005

0.010

0.015

0.020

-0.020

GAIN ERROR

vs. TEMPERATURE

TEMPERATURE (°C)

GAIN ERROR (%FS)

-15

10

60

35

0.6

0.8

0.4

0.2

0.5

0.7

0.3

0.1

0.9

1.0

0

-40

85

MAX1126 toc31

INTEGRAL NONLINEARITY

vs. DIGITAL OUTPUT CODE

MAX1126 toc32

DIGITAL OUTPUT CODE

INL (LSB)

3584

3072

2560

2048

1536

1024

512

-0.4

-0.2

0

0.2

0.4

0.6

-0.6

0

4096

DIFFERENTIAL NONLINEARITY

vs. DIGITAL OUTPUT CODE

MAX1126 toc33

DIGITAL OUTPUT CODE

DNL (LSB)

3584

3072

2560

2048

1536

1024

512

0

4096

-0.4

-0.3

-0.2

-0.1

0

0.1

0.2

0.3

0.4

0.5

-0.5

Typical Operating Characteristics (continued)

(AV

DD

= 1.8V, OV

DD

= 1.8V, CV

DD

= 1.8V, GND = 0, external V

REFIO

= 1.24V, INTREF = AV

DD

, differential input at -0.5dBFS,

f

CLK

= 40MHz (50% duty cycle), DT = low, C

LOAD

= 10pF, T

A

= +25°C, unless otherwise noted.)