ZXRE4041FR Datasheet ZXRE4041DFTA, ZXRE4041CFTA, ZXRE4041FR | P1-P3

ZXRE4041

Document number: DS32169 Rev. 6 - 2

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SOT23 MICROPOWER 1.225V VOLTAGE REFERENCE

Description

The ZXRE4041 is a bandgap circuit designed to achieve a

precision micropower voltage reference of 1.225 volts. The

device is available in the small outline SOT23 surface

mount package which is ideal for applications where space

saving is important.

SOT23 tolerance is available to 0.5% C grade for precision

applications. Excellent performance is maintained over the

30A to 12mA operating current range with a typical

temperature coefficient of only 20ppm/°C. The device has

been designed to be highly tolerant of capacitive loads so

maintaining excellent stability.

This device offers a SOT23 pin for pin compatible

alternative to LM4041 voltage references.

Features

• High performance alternative to LM4041

• Small outline SOT23

• 30μA knee current

• 20ppm/°C typical temperature coefficient

• Unconditionally stable

• 0.5%, 1%, and 2% tolerance

• Green molding compound (No Br, Sb)

Applications

• Battery powered equipment

• Precision power supplies

• Portable instrumentation

• Portable communication devices

• Notebook and palm top computers

• Data acquisition systems

• A/D and D/A converters

• Test equipment

Pin Assignments

(Top view)

Pin 1 floating or connected to pin 2

Schematic Diagram

Application Circuit

ZXRE4041

Document number: DS32169 Rev. 6 - 2

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Absolute Maximum Ratings (Voltages to GND Unless Otherwise Stated)

Paramete

r

Symbol Rating Unit

Reverse Current V

Z

30 mA

Forward Current 10 mA

Operating Temperature T

OMP

-40 to 125 °C

Storage Temperature T

STG

-55 to 125 °C

Power Dissipation (T

AMB

= 25°C)

P

D

330 mW

Electrical Characteristics (Test conditions: T

amb

= 25°C, unless otherwise specified.)

Symbol Parameter Condition Min. Typ. Max. Tol. (%) Unit

V

R

Reverse breakdown voltage

I

R

= 100µA

1.219

1.213

1.225

1.231

1.237

C/0.5

D/1

V

I

MIN

Minimum operating current 30

µA

I

R

Recommended operating current 0.03 12

mA

T

C

(*)

Average reverse breakdown

voltage temperature coefficient

I

R(min)

to I

R(max)

20 100

ppm/°C

R

S

(†)

Reverse Breakdown Change

with Current Voltage

I

R

= 30μA to 1μA

I

R

= 1mA to 12mA

1

10

mV

Z

R

Reverse dynamic impedance

I

R

= 1mA

f = 100Hz

I

AC

= 0.1I

R

0.2 0.6

Ω

E

N

Wideband noise voltage

I

R

= 8µA to 100µA

f = 10Hz to 10kHz

60

µV(rms)

Notes:

Note: V

R(MAX)

- V

R(MIN)

is the maximum deviation in reference

voltage measured over the full operating temperature range.

(*)

T

C

=

(V

R

(

MAX

)

– V

R

(

MIN

)

) x 1000000

V

R

x (T

(

MAX

)

– T

(

MIN

)

(†)

R

S

=

ΔV

R

ΔI

R

ZXRE4041

Document number: DS32169 Rev. 6 - 2

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Typical Characteristics

ZXRE4041FR

ZXRE4041FR

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