LTC1541 datasheet(6/12 Pages) LINER

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LTC1541/LTC1542

15412fd

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

ISOURCE

Output Source Current

0.6

0.95

●

0.4

ISINK

Output Sink Current

1.2

1.8

●

0.8

Input Noise Voltage

fO = 0.1Hz to 10Hz

µVP-P

The

● denotes specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VCC = 3V, VSS = 0V, unless otherwise noted.

ELECTRICAL CHARACTERISTICS

TYPICAL PERFOR A CE CHARACTERISTICS

SUPPLY VOLTAGE (V)

23456789

10 11 12

1541/42 TPC01

NONINVERTING

VSS = GND

AMPIN+ = VCC /2

TEMPERATURE (

°C)

–50

–25

100

125

1541/42 TPC02

VCC = 5V

VSS = GND

AMPIN– = AMPOUT

AMPIN+ = 2.5V

LOAD CURRENT (

µA)

1.205

1.204

1.203

1.202

1.201

1.200

1.199

1.198

1.197

1.196

1.195

100

1000

10000

1541/42 TPC03

VCC = 5V

VSS = GND

SOURCING

CURRENT

SINKING

CURRENT

Supply Current vs Temperature

Reference Output Voltage vs

Load Current

Supply Current vs Supply Voltage

Note 6: 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.

Note 7: The LTC1541C/LTC1541I and LTC1542C/LTC1542I are

guaranteed functional over the operating temperature range of –40

°C to

°C.

Note 8: The LTC1541C and LTC1542C are guaranteed to meet specified

performance from 0

°C to 70°C. The LTC1541C and LTC1542C are

designed, characterized and expected to meet performance from –40

°C to

°C, but are not tested or QA sampled at these temperatures. The

LTC1541I and LTC1542I are guaranteed to meet specified performance

from –40

°C to 85°C.

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

of the device may be impaired.

Note 2: Supply current is tested with COMPIN+ = (REF – 100mV) for

LTC1541 and COMPIN+ = 0V, COMPIN– = 100mV for LTC1542.

Note 3: Input offset voltage is defined as the center of the input referred

hysteresis, VCM = REF (LTC1541). VCM = 1/2 VCC (LTC1542).

Note 4: Trip point is defined as the differential input voltage required to

make the comparator output change state. The difference between upper

and lower trip point is equal to the width of the input referred hysteresis,

VCM = REF (LTC1541). VCM = 1/2 VCC (LTC1542).

Note 5: The input leakage current is measured for COMPIN+ at 0V

(LTC1541) and COMPIN+ = COMPIN– = 0V (LTC1542).

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