LTC1408 datasheet(2/20 Pages) LINER

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LTC1408

1408fa

BSOLUTEXI

(Notes 1, 2)

Supply Voltage (VDD, VCC, OVDD) .............................. 4V

Analog Input Voltage

(Note 3) ................................... – 0.3V to (VDD + 0.3V)

Digital Input Voltage .................... – 0.3V to (VDD + 0.3V)

Digital Output Voltage .................. – 0.3V to (VDD + 0.3V)

Power Dissipation .............................................. 100mW

Operation Temperature Range

LTC1408C ............................................... 0

°C to 70°C

LTC1408I ............................................ – 40

°C to 85°C

Storage Temperature Range ................. – 65

°C to 125°C

The

● denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. With internal reference, VDD = 3V, VDD = VCC = 3V.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Resolution (No Missing Codes)

●

Bits

Integral Linearity Error

(Note 5)

●

–3

±0.5

LSB

Offset Error

(Note 4)

●

–4.5

±1

4.5

Offset Match from CH0 to CH5

–3

±0.5

Range Error

(Note 4)

●

–12

±212

Range Match from CH0 to CH5

–5

±15

Range Tempco

Internal Reference (Note 4)

±15

ppm/

°C

External Reference

±1

ppm/

°C

The

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

otherwise specifications are at TA = 25°C. With internal reference, VDD = 3V, VDD = VCC = 3V.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN

Analog Differential Input Range (Notes 3, 8, 9)

2.7V

≤ VDD ≤ 3.3V

0 to 2.5

VCM

Analog Common Mode + Differential

0 to VDD

Input Range

(Note 8)

IIN

Analog Input Leakage Current

●

µA

CIN

Analog Input Capacitance

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

tSK

Channel to Channel Aperture Skew

200

CMRR

Analog Input Common Mode Rejection Ratio

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

–83

fIN = 10MHz, VIN = 0V to 3V

–67

CO VERTER CHARACTERISTICS

A ALOG I PUT

PACKAGE/ORDER I FOR ATIO

ORDER PART

NUMBER

QFN PART MARKING

TJMAX = 125°C, θJA = 34°C/ W

EXPOSED PIN IS GND (PAD 33)

MUST BE SOLDERED TO PCB

Consult LTC Marketing for parts specified with wider operating temperature ranges.

16 15 14 13 12 11 10

25 26 27 28

TOP VIEW

QFN PACKAGE

32-PIN (5mm

× 5mm) PLASTIC QFN

29 30 31 32

CH4+

CH4–

GND

CH5+

CH5–

GND

VREF

VCC

CH1–

CH1+

GND

CH0–

CH0+

OVDD

OGND

SDO

LTC1408CUH

LTC1408IUH

1408

Order Options Tape and Reel: Add #TR

Lead Free: Add #PBF

Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marking: http://www.linear.com/leadfree/

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