_______________________________________________________________________________________ 3

500ksps, Low-Power,

Serial 12-/10-/8-Bit ADCs

ELECTRICAL CHARACTERISTICS (MAX11666) (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

CONVERSION RATE

Throughput

5

500

ksps

Conversion Time

1.56

F

s

Acquisition Time

52

ns

Aperture Delay

From CS falling edge

4

F

s

Aperture Jitter

15

ps

Serial-Clock Frequency

0.08

8

MHz

ANALOG INPUT (AIN1, AIN2)

Input Voltage Range

0

V

Input Leakage Current

0.002

Q

1

F

A

Input Capacitance

Track

20

pF

Hold

4

EXTERNAL REFERENCE INPUT (REF)

Reference Input Voltage Range

1

0.05

V

Reference Input Leakage

Current

Conversion stopped

0.005

Q

1

F

A

Reference Input Capacitance

5

pF

DIGITAL INPUTS (SCLK, CS, CHSEL)

Digital Input High Voltage

0.75 x

V

Digital Input Low Voltage

0.25 x

V

Digital Input Hysteresis

0.15 x

V

Digital Input Leakage Current

0.001

Q

1

F

A

Digital Input Capacitance

2

pF

DIGITAL OUTPUT (DOUT)

Output High Voltage

0.85 x

V

Output Low Voltage

0.15 x

V

High-Impedance Leakage

Current

Q

1.0

F

A

High-Impedance Output

Capacitance

4

pF