ML2282BCP データシートの表示（PDF） - Micro Linear Corporation

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ML2282BCP

Serial I/O 8-Bit A/D Converters with Multiplexer Options

Micro Linear Corporation 

ML2281, ML2282, ML2284, ML2288

ML2288 Timing

CLOCK (CLK)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

CHIP SELECT (CS)

tSET-UP

ADDRESS MUX

OUTPUT DATA

START ODD/ SELECT

BIT SIGN BIT 0

DATA IN (DI)

SAR STATUS (SARS) HI-Z

SGL/DIF SELECT

BIT 1

SE = “0”

DATA OUT (DO)

HI-Z

SE

USING SE

TO CONTROL

LSB FIRST

OUTPUT DO

HI-Z

SAMPLE & HOLD

ACQUISITION (tACQ)

DON’T CARE (DI DISABLED UNTIL NEXT CONVERSION CYCLE)

A/D CONVERSION IN PROCESS

MSB FIRST DATA

LSB FIRST DATA

7 65 4 32 10 1 2 34 56 7

(MSB)

(LSB)

(MSB)

tSET-UP

MSB FIRST DATA

DATA HELD

LSB FIRST DATA

76 5 4 3 2 1

(MSB)

0

(LSB)

1 23 456 7

(MSB)

Figure 2. Timing Diagrams (Continued)

HI-Z

HI-Z

HI-Z

1.0

0.75

VCC = 5V

VREF = 5V

0.5

–55 C

0.25

25 C

125 C

0

0

0.01

0.1

1

CLOCK FREQUENCY (MHz)

Figure 3. Linearity Error vs fCLK

9

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