16-Bit ADC, 200ksps, 5V Single-Supply

with Reference

4

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Capacitive Bypass at REF

0.47

10

µF

Maximum Capacitive Bypass at

REFADJ

10

µF

REFADJ Output Voltage

4.096

V

REFADJ Input Range

For small adjustments from 4.096V

±100

mV

REFADJ Buffer Disable

Threshold

To power-down the internal reference

0.5V

0.1V

V

Buffer Voltage Gain

1

V/V

EXTERNAL REFERENCE (Reference buffer disabled. Reference applied to REF)

Input Range (Notes 5 and 6)

3.0

4.096

4.2

V

250

230

Input Current

0.1

µA

DIGITAL INPUTS

Input High Voltage

2.4

V

Input Low Voltage

0.8

V

Input Leakage

±1

µA

Input Hysteresis

0.2

V

Input Capacitance

10

pF

DIGITAL OUTPUTS

Output High Voltage

0.5

V

0.4

Output Low Voltage

0.8

V

Three-State Leakage Current

±10

µA

Three-State Output

Capacitance

10

pF

POWER SUPPLIES

Analog Supply (Note 7)

4.75

5

5.25

V

Digital Supply (Note 7)

4.75

5

5.25

V

Unipolar mode

5

8

Bipolar mode

8.5

11

mA

Analog Supply Current

SHDN = 0, or software power-down mode

0.3

10

µA

Unipolar or bipolar mode

2.5

3.5

mA

Digital Supply Current

SHDN = 0, or software power-down mode

2.2

10

µA

Power-Supply Rejection Ratio

(Note 8)

PSRR

72

dB