Rainbow-electronics MAX1201 Bedienungsanleitung PDF herunterladen (Seite 6)

MAX1201

+5V Single-Supply, 2.2Msps, 14-Bit

Self-Calibrating ADC

6 _______________________________________________________________________________________

-1.0

-0.5

0.5

1.0

-8192 -4096 0-6144 2048-2048 4096 6144 8192

DIFFERENTIAL NONLINEARITY vs.

TWO’S COMPLEMENT OUTPUT CODE

MAX1201 toc9

TWO’S COMPLEMENT OUTPUT CODE

DNL (LSB)

14.0

13.5

13.0

10.0

1k 10k 100k 1M

EFFECTIVE NUMBER OF BITS

vs. INPUT FREQUENCY

MAX1201 toc10

INPUT FREQUENCY (Hz)

ENOB (BITS)

11.0

10.5

12.0

12.5

11.5

= -0.5dBFS

= -6dBFS

= -20dBFS

Typical Operating Characteristics (continued)

(AV

= +5V, DV

= DRV

= +3.3V, V

RFPS

= +4.096V, V

RFNS

= AGND, f

CLK

= 4.5056MHz, differential input, V

= +2.048V, cal-

ibrated, T

= +25°C, unless otherwise noted.)

Pin Description

2, 4, 5

NAME FUNCTION

AGND Analog Ground

ST_CAL

Digital Input to Start Calibration.

ST_CAL = 0: Normal conversion mode.

ST_CAL = 1: Start self-calibration.

D10 Bit 10

D11 Bit 11

D12 Bit 12

D13 Bit 13 (MSB)

DOR Data Out-of-Range Bit

D7 Bit 7

D8 Bit 8

D9 Bit 9

3, 6 AV

Analog Power Supply, +5V ±5%

17, 28

DGND Digital Ground

DRV

Digital Power Supply for the Output Drivers. +3V to +5.25V, DRV

≤ DV

D6 Bit 6

D3 Bit 3

D4 Bit 4

D5 Bit 5

1 2 3 4 5 6 7 8 9 10 11 ... 15 16

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