LTC1406IGN datasheet(4/16 Pages) LINER

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LTC1406

TI I G CHARACTERISTICS

The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. (Note 5)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

fSMPL(MAX)

Maximum Sampling Frequency

MHz

Clock Period

(Notes 11, 12)

Pulse Width High

(Notes 11, 12)

Pulse Width Low

(Notes 11, 12)

Output Delay

CL = 15pF

Pipeline Delay

Cycles

Aperture Delay

3ns

Aperture Jitter

5psRMS

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

Note 2: All voltage values are with respect to ground with DGND, OGND

and AGND wired together (unless otherwise noted).

Note 3: When these pin voltages are taken below ground or above VDD,

they will be clamped by internal diodes. This product can handle input

currents greater than 100mA below ground or above VDD without latchup.

Note 4: When these pin voltages are taken below ground they will be

clamped by internal diodes. This product can handle input currents up to

100mA below ground without latchup. These pins are not clamped to VDD.

Note 5: VDD = 5V, fSMPL = 20MHz and tr = tf = 2ns unless otherwise

specified.

Note 6: Linearity, offset and full-scale specifications apply for a single-

ended AIN+ input with AIN– tied to VREF = 2.5V.

Note 7: Integral nonlinearity is defined as the deviation of a code from a

straight line passing through the actual endpoints of the transfer curve.

The deviation is measured from the center of the quantization band.

Note 8: Bipolar offset is the offset voltage measured from – 0.5LSB

when the output code flickers between 0111 1111 and 1000 0000.

Note 9: Guaranteed by design, not subject to test.

Note 10: Recommended operating conditions.

Note 11: The falling CLK edge starts a conversion.

Note 12: At the maximum conversion rate, deviation from a 50% duty

cycle results in interstage settling times < 25ns and performance may

be affected.

Note 13: VIN = – Full Scale.

Distortion vs Input Frequency

TYPICAL PERFORMANCE CHARACTERISTICS

INPUT FREQUENCY (Hz)

100k

10M

100M

1406 G01

S/(N + D) vs Input Frequency

INPUT FREQUENCY (Hz)

100k

–10

–20

–30

–40

–50

–60

–70

–80

10M

100M

1406 G03

THD

3RD HARMONIC

2ND HARMONIC

Signal-to-Noise Ratio vs

Input Frequency

INPUT FREQUENCY (Hz)

100k

10M

100M

1406 G02

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