LM4041 datasheet(8/24 Pages) TI

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LM4041xI (Adjustable Version) Electrical Characteristics

LM4041

PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE

SLCS146C – FEBRUARY 2005 – REVISED MAY 2005

full-range T

A = –40°C to 85°C (unless otherwise noted)

LM4041BI

LM4041CI

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

MIN

TYP

MAX

VREF

Reference voltage

IZ = 100 µA, VZ = 5 V

°C

1.233

°C

–2.5

2.5

–6.2

6.2

Reference voltage

IZ = 100 µA, VZ = 5 V

tolerance(1)

Full range

–10.5

10.5

–14

°C

Minimum cathode

IZ,min

µA

current

Full range

°C

0.7

1.5

0.7

1.5

IZ,min < IZ < 1 mA

Reference voltage

Full range

∆V

REF/∆IZ

change with cathode

°C

current change

1 mA < IZ < 12 mA

Full range

Reference voltage

°C

–1.55

–2

–1.55

–2

∆V

REF/∆VKA

change with output

IZ = 1 mA

mV/V

Full range

–2.5

voltage change

°C

100

IFB

Feedback current

Full range

120

IZ = 10 mA, VZ = 5 V

°C

±20

Average temperature

°C

±15

αV

REF

coefficient of

IZ = 1 mA, VZ = 5 V

ppm/

°C

Full range

±100

reference voltage(1)

IZ = 100 µA, VZ = 5 V

°C

±15

IZ = 1 mA, f = 120 Hz,

°C

0.3

IAC = 0.1 IZ, VZ = VREF

Reverse dynamic

Ω

impedance

IZ = 1 mA, f = 120 Hz,

°C

IAC = 0.1 IZ, VZ = 10 V

IZ = 100 µA, VZ = VREF,

Wideband noise

°C

µV

RMS

10 Hz

≤ f ≤ 10 kHz

Long-term stability of

t = 1000 h,

reverse breakdown

TA = 25°C ± 0.1°C,

°C

120

ppm

voltage

IZ = 100 µA

(1)

Reference voltage tolerance and average temperature coefficient change with output voltage (VZ). See Typical Characteristics.

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