LTC1609 datasheet(3/22 Pages) LINER

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LTC1403-1/LTC1403A-1

14031fc

DYNAMIC ACCURACY

INTERNAL REFERENCE CHARACTERISTICS

ANALOG INPUTThe

denotes the specifications which apply over the full operating temperature range, otherwise

specifications are at TA = 25°C. VDD = 3V

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

tACQ

Sample-and-Hold Acquisition Time

(Note 6)

tAP

Sample-and-Hold Aperture Delay Time

tJITTER

Sample-and-Hold Aperture Delay Time Jitter

0.3

CMRR

Analog Input Common Mode Rejection Ratio

fIN = 1MHz, VIN = 0V to 3V

fIN = 100MHz, VIN = 0V to 3V

–60

–15

The l denotes the specifications which apply over the full operating temperature range,

otherwise specifications are at TA = 25°C. VDD = 3V. Single-ended AIN+ signal drive with AIN– = 1.5V DC. Differential signal drive with

VCM = 1.5V at AIN+ and AIN–

Symbol

PARAMETER

CONDITIONS

LTC1403-1

LTC1403A-1

UNITS

MIN

TYP

MAX

MIN

TYP

MAX

SINAD

Signal-to-Noise Plus

Distortion Ratio

100kHz Input Signal (Note 19)

1.4MHz Input Signal (Note 19)

100kHz Input Signal, External VREF = 3.3V,

VDD ≥ 3.3V (Note 19)

750kHz Input Signal, External VREF = 3.3V,

VDD ≥ 3.3V (Note 19)

70.5

73.5

76.3

THD

Total Harmonic

Distortion

100kHz First 5 Harmonics (Note 19)

1.4MHz First 5 Harmonics (Note 19)

–87

–83

–76

–90

–86

–78

SFDR

Spurious Free

Dynamic Range

100kHz Input Signal (Note 19)

1.4MHz Input Signal (Note 19)

–87

–83

–90

–86

IMD

Intermodulation

Distortion

0.625VP-P 1.4MHz Summed with 0.625VP-P

1.56MHz into AIN+ and Inverted into AIN–

–82

Code-to-Code

Transition Noise

VREF = 2.5V (Note 18)

0.25

LSBRMS

Full Power Bandwidth

VIN = 2.5VP-P, SDO = 11585LSBP-P (Note 15)

MHz

Full Linear Bandwidth

S/(N + D) ≥ 68dB

MHz

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VREF Output Voltage

IOUT = 0

2.5

VREF Output Tempco

ppm/°C

VREF Line Regulation

VDD = 2.7V to 3.6V, VREF = 2.5V

600

µV/V

VREF Output Resistance

Load Current = 0.5mA

0.2

VREF Settling Time

The l denotes the specifications which apply over the

full operating temperature range, otherwise specifications are at TA = 25°C. VDD = 3V

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