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LM4041xI (Adjustable Version) Electrical Characteristics

LM4041

PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE

SLCS146E – FEBRUARY 2005 – REVISED FEBRUARY 2006

full-range T

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

LM4041DI

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

VREF

Reference voltage

IZ = 100 µA, VZ = 5 V

°C

1.233

°C

–12

Reference voltage tolerance(1)

IZ = 100 µA, VZ = 5 V

Full range

–24

°C

IZ,min

Minimum cathode current

µA

Full range

°C

0.7

IZ,min < IZ < 1 mA

Full range

2.5

Reference voltage change

∆V

REF/∆IZ

with cathode current change

°C

1 mA < IZ < 12 mA

Full range

°C

–1.55

–2

Reference voltage change

∆V

REF/∆VKA

IZ = 1 mA

mV/V

with output voltage change

Full range

–3

°C

150

IFB

Feedback current

Full range

200

IZ = 10 mA, VZ = 5 V

°C

±20

°C

±15

Average temperature coefficient

αV

REF

IZ = 1 mA, VZ = 5 V

ppm/

°C

of reference voltage(1)

Full range

±150

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 impedance

Ω

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

t = 1000 h,

Long-term stability

TA = 25°C ± 0.1°C,

°C

120

ppm

of reverse breakdown voltage

IZ = 100 µA

(1)

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

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