Serial 16-Bit ADC

6

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

CS Rise to DOUT Disable

40

ns

CS Fall to SCLK Rise Setup

40

ns

CS High Minimum Pulse Width

40

ns

SCLK Fall to CS Rise Hold

0ns

SSTRB Rise to CS Fall Setup

(Note 4)

40

ns

DOUT Rise/Fall Time

10

ns

SSTRB Rise/Fall Time

10

ns

Note 2: See definitions in the

Parameter Definitions section at the end of the data sheet.

Note 3: Guaranteed by correlation with single-ended measurements.

Note 4: Not production tested. Guaranteed by design.

≈ 4.096V. The tran-

sition point between internal reference mode and external reference mode lies between the REFCAP buffer disable threshold

minimum and maximum values (Figures 17 and 18).

ANALOG SUPPLY CURRENT

vs. ANALOG SUPPLY VOLTAGE

5.15

5.05

4.95

4.85

2.35

2.40

2.45

2.50

2.55

2.60

2.30

4.75

5.25

°C

°C

°C

EXTERNAL CLOCK MODE

PREAMPLIFIER SUPPLY CURRENT

vs. PREAMPLIFIER SUPPLY VOLTAGE

5.15

5.05

4.85

4.95

16

17

18

19

20

21

22

23

24

15

4.75

5.25

°C

°C

°C

EXTERNAL CLOCK MODE

DIGITAL SUPPLY CURRENT

vs. DIGITAL SUPPLY VOLTAGE

5.15

5.05

4.95

4.85

0.70

0.75

0.80

0.85

0.90

0.65

4.75

5.25

°C

°C

°C

EXTERNAL CLOCK MODE

Typical Operating Characteristics