LTC2301/LTC2305

3

23015f

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC2305IMS#PBF

LTC2305IMS#TRPBF

2305

12-Lead Plastic MSOP

–40°C to 85°C

LTC2305HMS#PBF

LTC2305HMS#TRPBF

2305

12-Lead Plastic MSOP

–40°C to 125°C

Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.

Consult LTC Marketing for information on non-standard lead based finish parts.

CONVERTER AND MULTIPLEXER CHARACTERISTICS

The

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Resolution (No Missing Codes)

l

12

Bits

Integral Linearity Error

(Note 5)

l

±0.4

±1

LSB

Differential Linearity Error

l

±0.3

±1

LSB

Bipolar Zero Error

(Note 6)

l

±0.5

±8

LSB

Bipolar Zero Error Drift

0.002

LSB/°C

Unipolar Zero Error

(Note 6)

l

±0.7

±6

LSB

Unipolar Zero Error Drift

0.002

LSB/°C

Unipolar Zero Error Match (LTC2305)

±0.1

±1

LSB

Bipolar Full-Scale Error

External Reference (Note 7)

REFCOMP = 4.096V (Note 7)

l

l

±1

±0.9

±10

±9

LSB

LSB

Bipolar Full-Scale Error Drift

External Reference

0.05

LSB/°C

Unipolar Full-Scale Error

External Reference (Note 7)

REFCOMP = 4.096V (Note 7)

l

l

±0.5

±0.7

±10

±6

LSB

LSB

Unipolar Full-Scale Error Drift

External Reference

0.05

LSB/°C

Unipolar Full-Scale Error Match (LTC2305)

±0.1

±2

LSB

ANALOG INPUT

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Absolute Input Range (CH0, CH1, IN+)

(Note 8)

l

–0.05

REFCOMP

V

Absolute Input Range (CH0, CH1, IN–)

Unipolar (Note 8)

Bipolar (Note 8)

l

–0.05

–0.05

0.25 • REFCOMP

0.75 • REFCOMP

V

V

Input Differential Voltage Range

l

0 to REFCOMP

±REFCOMP/2

V

V

Analog Input Leakage Current

l

±1

μA

Analog Input Capacitance

Sample Mode

Hold Mode

55

5

pF

pF

CMRR

Input Common Mode Rejection Ratio

70

dB

The