ADC 2 Spezifikationen PDF herunterladen (Seite 7)

CLOCK

CONVST

DB[11:0]

BUSY

1 1614

CLK

CLKH

CLKL

CHAx

Output

Input

Data

CHBx

Output

PreviousConversion Results

Conversion Cycle

CONV

ACQ

ADS7865

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SBAS441C –OCTOBER 2008–REVISED APRIL 2012

TERMINAL FUNCTIONS (continued)

PIN NUMBER NAME DESCRIPTION

23 BGND Buffer I/O ground. Connect to digital ground plane.

24 BV

Buffer I/O power supply, 2.7V to 5.5V. Decouple to BGND with a 1μF ceramic capacitor.

25 CHB1+ Noninverting analog input channel B1

26 CHB1– Inverting analog input channel B1

27 CHB0+ Noninverting analog input channel B0

28 CHB0– Inverting analog input channel B0

29 CHA1– Inverting analog input channel A1

30 CHA1+ Noninverting analog input channel A1

31 CHA0– Inverting analog input channel A0

32 CHA0+ Noninverting analog input channel A0

TIMING CHARACTERISTICS

Figure 1. Interface Timing Diagram

1 2 3 4 5 6 7 8 9 10 11 12 ... 32 33

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ADC 2 Spezifikationen Seite 7