ADC082S101 Converter Electrical Characteristics (Note 9) (Continued)

The following specifications apply for V

MSPS, C

Symbol

Parameter

Conditions

Typical

Limits

(Note 7)

Units

ANALOG INPUT CHARACTERISTICS

V

IN

Input Range

0 to V

A

V

I

DCL

DC Leakage Current

µA (max)

C

INA

Input Capacitance

Track Mode

33

pF

Hold Mode

3

pF

DIGITAL INPUT CHARACTERISTICS

V

IH

Input High Voltage

V

2.4

V (min)

V

2.1

V (min)

V

IL

Input Low Voltage

0.8

V (max)

I

IN

Input Current

V

µA (max)

C

IND

Digital Input Capacitance

2

4

pF (max)

DIGITAL OUTPUT CHARACTERISTICS

V

OH

Output High Voltage

I

V

V

V (min)

I

V

V

V

OL

Output Low Voltage

I

0.03

0.4

V (max)

I

0.1

V

I

I

OZL

µA (max)

C

OUT

2

4

pF (max)

Output Coding

Straight (Natural) Binary

POWER SUPPLY CHARACTERISTICS (C

V

A

Supply Voltage

2.7

V (min)

5.25

V (max)

I

A

Supply Current, Normal Mode

(Operational, CS low)

V

f

1.82

2.4

mA (max)

V

f

0.9

1.2

mA (max)

Supply Current, Shutdown (CS high)

V

f

200

nA

V

f

200

nA

P

D

Power Consumption, Normal Mode

(Operational, CS low)

V

9.6

12.6

mW (max)

V

3.2

4.3

mW (max)

Power Consumption, Shutdown (CS

high)

V

0.35

µW

V

0.12

µW

AC ELECTRICAL CHARACTERISTICS

f

SCLK

Clock Frequency

(Note 8)

8

MHz (min)

16

MHz (max)

f

S

Sample Rate

(Note 8)

500

kSPS (min)

1

MSPS (max)

t

CONV

Conversion Time

13

SCLK cycles

DC

SCLK Duty Cycle

f

50

30

% (min)

70

% (max)

t

ACQ

Track/Hold Acquisition Time

Full-Scale Step Input

3

SCLK cycles

Throughput Time

Acquisition Time + Conversion

Time

16

SCLK cycles

www.national.com

4