12-Bit, 40Msps, +3.3V, Low-Power ADC

with Internal Reference

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3

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Differential Gain

DG

±1%

Differential Phase

DP

±0.25

degrees

ANALOG INPUTS (INP, INN, CML)

Input Resistance

Either input to ground

32.5

k

Ω

Input Capacitance

Either input to ground

4

pF

Common-Mode Input Level,

(Note 5)

× 0.5

V

Common-Mode Input Voltage

Range, (Note 5)

±5%

V

Differential Input Range

V

Small-Signal Bandwidth

(Note 7)

400

MHz

Large-Signal Bandwidth

(Note 7)

150

MHz

Over-Voltage Recovery

OVR

1

Clock

Cycle

INTERNAL REFERENCE (REFIN bypassed with 0.22µF in parallel with 1nF)

Common-Mode Reference Input

Voltage

At CML

V

Positive Reference Voltage

Range

At REFP

+ 0.512

V

Negative Reference Voltage

Range

At REFN

- 0.512

V

Differential Reference Voltage

Range

1.024

±5%

V

Differential Reference

Temperature Coefficient

REFTC

±100

ppm/

°C

EXTERNAL REFERENCE

REFIN Input Resistance

(Note 8)

5

k

Ω

REFIN Input Capacitance

10

pF

REFIN Reference Input Voltage

2.048

±10%

V

Differential Reference Voltage

V

REFP, REFN, CML Input Current

-200

200

µA

REFP, REFN, CML Input

Capacitance

15

pF