LTC1540CS8 datasheet(3/12 Pages) LINER

Part #	LTC1540CS8

Description	Nanopower Comparator with Reference

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Manufacturer	LINER [Linear Technology]

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LTC1540

sn1540 1540fas

The

● denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. V+ = 5V, V– = GND = 0V, TA = 25°C unless otherwise noted.

ELECTRICAL CHARACTERISTICS

V + = 3V, V – = GND = 0V, TA = 25°C unless otherwise noted.

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VHYST

Hysteresis Input Voltage Range

● REF – 50mV

REF

V

tPD

Propagation Delay

COUT = 100pF

Overdrive = 10mV

60

µs

Overdrive = 100mV

50

µs

VOH

Output High Voltage

IO = – 13mA

●

V + – 0.4V

V

VOL

Output Low Voltage

IO = 1.8mA

●

GND + 0.4V

V

Reference

VREF

Reference Voltage

No Load

(SO-8)/(DFN) Commercial

●

1.158

1.182

1.206

V

MS8 Commercial

●

1.156

1.182

1.208

V

(SO-8)/(MS8)/(DFN) Industrial

●

1.152

1.182

1.212

V

∆VREF

Load Regulation

0 ≤ ISOURCE ≤ 100µA

●

0.5

2.5

mV

0 ≤ ISINK ≤ 10µA

0.5

1.5

mV

●

5mV

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Supply

V +

Supply Voltage Range

●

211

V

ICC

Supply Current

IN + = IN – = 80mV, HYST = REF, C-Grade

●

0.28

0.61

µA

IN + = IN – = 80mV, HYST = REF, I-Grade

●

0.64

µA

Comparator

VOS

Comparator Input Offset Voltage

VCM = 2.5V

±12

mV

●

±15

mV

LTC1540CMS8/IMS8

●

±16

mV

IIN

Input Leakage Current (IN +, IN –)VIN+ = VIN– = 1.5V

●

±0.01

±1nA

Input Leakage Current (HYST)

●

±0.02

±1nA

VCM

Comparator Input Common Mode Range

●

V –

V + – 1.3V

V

CMRR

Common Mode Rejection Ratio

V – to V + – 1.3V

0.1

1

mV/V

PSRR

Power Supply Rejection Ratio

V + = 2V to 11V

0.1

1

mV/V

VHYST

Hysteresis Input Voltage Range

● REF – 50mV

REF

V

tPD

Propagation Delay

COUT = 100pF

Overdrive = 10mV

70

µs

Overdrive = 100mV

60

µs

VOH

Output High Voltage

IO = – 8mA

●

V + – 0.4V

V

VOL

Output Low Voltage

IO = 0.8mA

●

GND + 0.4V

V

Reference

VREF

Reference Voltage

No Load

(SO-8)/(DFN) Commercial

●

1.158

1.182

1.206

V

MS8 Commercial

●

1.156

1.182

1.208

V

(SO-8)/(MS8)/(DFN) Industrial

●

1.152

1.182

1.212

V

∆VREF

Load Regulation

0 ≤ ISOURCE ≤ 100µA

●

0.75

3.5

mV

0 ≤ ISINK ≤ 10µA

0.5

1.5

mV

●

5mV

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

of a device may be impaired.

Note 2: The θJA specified for the DD package is with minimal PCB heat

spreading metal. Using expanded metal area on all layers of a board

reduces this value.

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