4

LTC1440/LTC1441/LTC1442

144012fc

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Supply

Supply Voltage Range

●

211

V

Supply Current

LTC1440 0

●

2

3.9

µA

HYST = REF (LTC1440/LTC1442)

–40

4.3

µA

LTC1441

●

3.5

5.7

µA

LTC1442

●

3.5

5.7

µA

Comparator

Comparator Input Offset Voltage

●

±3

±10

mV

●

±0.01

±1nA

Input Leakage Current (HYST)

●

±0.02

±1nA

Comparator Input Common

●

V

Mode Range

CMRR

Common Mode Rejection Ratio

0.1

1

mV/V

PSRR

Power Supply Rejection Ratio

0.1

1

mV/V

0.1

1

mV/V

NOISE

Voltage Noise

100Hz to 100kHz

100

Hysteresis Input Voltage Range

LTC1440/LTC1442

REF

V

Propagation Delay

Overdrive = 10mV

14

µs

Overdrive = 100mV

5

µs

Output High Voltage

●

V

Comparator

Output Low Voltage

LTC1440

●

GND + 0.4V

V

LTC1441/LTC1442

●

V

Reference

Reference Voltage

No Load

LTC1440/LTC1442

0

●

1.170

1.182

1.194

V

–40

●

1.164

1.200

V

LTC1440 (MSOP, DFN)

●

1.164

1.200

V

Reference Output Source Current

●

60

120

µA

Reference Output Sink Current

10

20

µA

Reference Source Current

0

●

0.8

5.5

mV

Reference Sink Current

0

0.5

1.5

mV

●

5mV

NOISE

Voltage Noise

100Hz to 100kHz

100