Rainbow-electronics MAX1182 Bedienungsanleitung PDF herunterladen (Seite 8)

MAX1182

Dual 10-Bit, 65Msps, +3V, Low-Power ADC with

Internal Reference and Parallel Outputs

8 _______________________________________________________________________________________

-0.5

-0.3

-0.4

-0.1

-0.2

0.1

0.2

0.4

0.3

0.5

0 256 384128 512 640 768 896 1024

DIFFERENTIAL NONLINEARITY

MAX1182 toc19

DIGITAL OUTPUT CODE

DNL (LSB)

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0.5

1.0

-40 -15 10 35 60 85

GAIN ERROR vs. TEMPERATURE,

EXTERNAL REFERENCE (V

REFIN

= +2.048V)

MAX1182 toc20

TEMPERATURE (

GAIN ERROR (% FS)

CHB

CHA

-0.15

-0.05

-0.10

0.05

0.10

0.15

-40 10-15 35 60 85

OFFSET ERROR vs. TEMPERATURE,

EXTERNAL REFERENCE

REFIN

= +2.048V)

MAX1182 toc21

TEMPERATURE (

OFFSET ERROR (% FS)

CHB

CHA

2.70 3.152.85 3.00 3.30 3.45 3.60

ANALOG SUPPLY CURRENT

vs. ANALOG SUPPLY VOLTAGE

MAX1182 toc22

(V)

VDD

(mA)

ANALOG SUPPLY CURRENT

vs. TEMPERATURE

MAX1182 toc23

TEMPERATURE (

VDD

(mA)

-40 10-15 356085

0.06

0.18

0.12

0.24

0.30

2.70 3.002.85 3.15 3.30 3.45 3.60

ANALOG POWER-DOWN CURRENT

vs. ANALOG POWER SUPPLY

MAX1182 toc24

(V)

VDD

(µA)

OE = PD = OV

30 40 4535 50 55 60 65 70

SFDR, SNR, THD, SINAD

vs. CLOCK DUTY CYCLE

MAX1182 toc25

CLOCK DUTY CYCLE (%)

SFDR, SNR, THD, SINAD (dB)

SFDR

SNR

THD

SINAD

= 25.097265MHz

2.020

2.025

2.035

2.030

2.040

2.045

2.70 3.002.85 3.15 3.30 3.45 3.60

INTERNAL REFERENCE VOLTAGE

vs. ANALOG POWER VOLTAGE

MAX1182 toc26

(V)

REFOUT

(V)

Typical Operating Characteristics (continued)

= +3V, OV

= +2.5V, internal reference, differential input at -0.5dB FS, f

CLK

= 65MHz, C

≈ 10pF, T

= +25°C, unless otherwise

noted.)

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 20 21

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