Rainbow-electronics MAX1093 Manual do Utilizador descarregar pdf (Página 14)

MAX1091/MAX1093

250ksps, +3V, 8-/4-Channel, 10-Bit ADCs

with +2.5V Reference and Parallel Interface

14 ______________________________________________________________________________________

Table 3. Channel Selection for Single-Ended Operation (SGL/DIF = 1)

*Channels CH4–CH7 apply to MAX1091 only.

A1 CH0

0 +00

0 1

CH2 CH4*

1 0 +

CH3

CH1 CH7*

CH6*

COM

CH5*

1 + -0

0 0

0 1 +1

1 01

1 1

+ -

CLK

WR GOES HIGH WHEN CLK IS HIGH.

WR GOES HIGH WHEN CLK IS LOW.

CWH

CWS

ACQUISITION STARTS

CONVERSION STARTS

ACQUISITION ENDS

ACQMOD = "1"

ACQMOD = "0"

Figure 6b. External Clock and

Timing (External Acquisition Mode)

Table 2. Control Byte Format

D7 (MSB) D3 D1 D0 (LSB)D2D5

PD1

UNI/BIP

A1 A0A2ACQMOD

SGL/DIF

PD0

D4D6

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 20

MAX1091/MAX1093 1

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