ZRA125N803 datasheet, PDF - EEWORLD Datasheet

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ZRA125N803: DescriptionTWO TERM VOLTAGE REFERENCE, PDSO8; Categoryaccessories; File Size113KB，5 Pages; ManufacturerETC

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ZRA125N803 Overview

TWO TERM VOLTAGE REFERENCE, PDSO8

ZRA125N803 Preview

PRECISION 1.25 VOLT

MICROPOWER VOLTAGE REFERENCE

ZRA125

ISSUE 2 - FEBRUARY 1997

DEVICE DESCRIPTION

Typical T

30ppm/°C

Typical slope resistance 0.65Ω

3%,2% and 1% tolerance

Industrial temperature range

Operating current 50µA to 5mA

Transient response, stable in less than 10µs

Optional extended current range

Battery powered and portable equipment.

Metering and measurement systems.

Instrumentation.

Data acquisition systems.

Precision power supplies.

Test equipment.

The ZRA125 uses a bandgap circuit design to

achieve a precision micropower voltage

reference of 1.25 volts. The device is available

in small outline surface mount packages, ideal

for applications where space saving is

important, as well as packages for through hole

requirements.

•

APPLICATIONS

The ZRA125 design provides a stable voltage

without an external capacitor and is stable with

capacitive loads. The ZRA125 is recommended

for operation between 50µA and 5mA and so

is ideally suited to low power and battery

powered applications.

Excellent performance is maintained to a

suggested absolute maximum of 25mA,

however the rugged design and 20 volt

processing allows the reference to withstand

transient effects and currents up to 200mA.

Superior switching capability allows the device

to reach stable operating conditions in only a

few microseconds.

•

FEATURES

•

Small outline SOT23, SO8 and TO92 style

packages

No stabilising capacitor required

SCHEMATIC DIAGRAM

1 - 24

ZRA125

TYPICAL CHARACTERISTICS

1.4

1.26

1.27

=150

A to 5mA

ZRA125

ABSOLUTE MAXIMUM RATING

Reverse Current

Forward Current

Operating Temperature

Storage Temperature

1.2

1.25

25mA

-40 to 85°C

-55 to 125°C

Power Dissipation (T

amb

=25°C)

SOT23

330mW

E-Line, 3 pin (TO92)

500mW

E-Line, 2 pin (TO92)

500mW

SO8

625mW

1.0

1.24

ELECTRICAL CHARACTERISTICS

TEST CONDITIONS (Unless otherwise stated) T

amb

=25°C

0.8

1.23

SYMBOL PARAMETER

0.6

1.22

0.4

Forward Voltage (V)

Reference voltage (V)

1.21

0.1

100

1000

-40

-20

CONDITIONS

TYP MAX

0.2

LIMITS

TOL.

UNITS

MIN

Forward Current (mA)

Reverse Breakdown Voltage I

=150µA

Forward Characteristics

1.228

1.225

1.21

1.0

1.24 1.252

1.25 1.275

1.25 1.29

µA

Temperature (°C)

MIN

Minimum Operating Current

Temperature Drift

1000

ppm/°C

Recommended Operating

Current

0.05

100

Average Reverse

Breakdown Voltage Temp.

Co.

0.65 2

0.5

R(min)

R(max)

Ω

=-40°C

=25°C

=150

0.5

Slope Resistance

=1mA

Slope resistance (Ω)

Reverse Dynamic Impedance I

= 1mA

f = 100Hz

= 0.1 I

µV(rms)

0.1

Slope resistance (Ω)

=85°C

=5mA

0.1

0.01

0.1

100

Wideband Noise Voltage

= 150µA

f = 100Hz to

10kHZ

Reference Current (mA)

Frequency (kHz)

Slope Resistance v Current

Slope Resistance v Frequency

1.5

1.0

Change

1000000

x Temperature Change

°C

-4

°C

0.5

58K

V - (V)

INPUT

1.0

V - (V)

O UTPUT

INPUT

0.5

1 K8

O UTPUT

Reverse Current (µA)

Change

(min)

to I

(max))

(

max

) −

(

min)

)

- (V)

0.2

0.4

0.6

0.8

1.0

1.2

1.4

)

- (V)

)

Reverse Voltage (V)

Time (

Reverse Characteristics

Transient Response (I

=150µA)

Transient Response (I

=5mA)

1 - 45

1 - 26

ZRA125

TYPICAL CHARACTERISTICS

1.4

1.26

1.27

=150

A to 5mA

ZRA125

ABSOLUTE MAXIMUM RATING

Reverse Current

Forward Current

Operating Temperature

Storage Temperature

1.2

1.25

25mA

-40 to 85°C

-55 to 125°C

Power Dissipation (T

amb

=25°C)

SOT23

330mW

E-Line, 3 pin (TO92)

500mW

E-Line, 2 pin (TO92)

500mW

SO8

625mW

1.0

1.24

ELECTRICAL CHARACTERISTICS

TEST CONDITIONS (Unless otherwise stated) T

amb

=25°C

0.8

1.23

SYMBOL PARAMETER

0.6

1.22

0.4

Forward Voltage (V)

Reference voltage (V)

1.21

0.1

100

1000

-40

-20

CONDITIONS

TYP MAX

0.2

LIMITS

TOL.

UNITS

MIN

Forward Current (mA)

Reverse Breakdown Voltage I

=150µA

Forward Characteristics

1.228

1.225

1.21

1.0

1.24 1.252

1.25 1.275

1.25 1.29

µA

Temperature (°C)

MIN

Minimum Operating Current

Temperature Drift

1000

ppm/°C

Recommended Operating

Current

0.05

100

Average Reverse

Breakdown Voltage Temp.

Co.

0.65 2

0.5

R(min)

R(max)

Ω

=-40°C

=25°C

=150

0.5

Slope Resistance

=1mA

Slope resistance (Ω)

Reverse Dynamic Impedance I

= 1mA

f = 100Hz

= 0.1 I

µV(rms)

0.1

Slope resistance (Ω)

=85°C

=5mA

0.1

0.01

0.1

100

Wideband Noise Voltage

= 150µA

f = 100Hz to

10kHZ

Reference Current (mA)

Frequency (kHz)

Slope Resistance v Current

Slope Resistance v Frequency

1.5

1.0

Change

1000000

x Temperature Change

°C

-4

°C

0.5

58K

V - (V)

INPUT

1.0

V - (V)

O UTPUT

INPUT

0.5

1 K8

O UTPUT

Reverse Current (µA)

Change

(min)

to I

(max))

(

max

) −

(

min)

)

- (V)

0.2

0.4

0.6

0.8

1.0

1.2

1.4

)

- (V)

)

Reverse Voltage (V)

Time (

Reverse Characteristics

Transient Response (I

=150µA)

Transient Response (I

=5mA)

1 - 45

1 - 26

ZRA125

ORDERING INFORMATION

Part No

ZRA125A03

ZRA125A02

ZRA125A01

ZRA125F03

ZRA125F02

ZRA125F01

ZRA125N803

ZRA125N802

ZRA125N801

SO8

ZRA12503

ZRA12502

ZRA12501

SOT23

12D

SOT23

12B

SOT23

12A

ZRA125Y03

ZRA125Y02

ZRA125Y01

E-Line

•

ZRA12501

ZRA125R01

E-Line

•

ZRA12502

ZRA125R02

E-Line

•

ZRA12503

ZRA125R03

Tol% Package

Partmark

Part No

Tol% Package

E-Line *

E-Line

* E-Line 3 pin Reversed

E-Line 2 pin

•

E-Line 3 pin

Partmark

ZRA125

CONNECTION DIAGRAMS

E-Line, 2 pin Package Suffix Y

E-Line, 3 pin,Rev Package Suffix R

ZRA125R3

ZRA125R2

ZRA125R1

ZRA12503

ZRA12502

ZRA12501

Bottom View

Pin 3 floating or connected to pin 1

E-Line, 3 pin Package Suffix A

SO8 Package Suffix N8

Bottom View

Pin 1 floating or connected to pin 3

Top View

SOT23 Package Suffix F

Top View

Pin 1 floating or connected to pin 2

ZRA125

ORDERING INFORMATION

Part No

ZRA125A03

ZRA125A02

ZRA125A01

ZRA125F03

ZRA125F02

ZRA125F01

ZRA125N803

ZRA125N802

ZRA125N801

SO8

ZRA12503

ZRA12502

ZRA12501

SOT23

12D

SOT23

12B

SOT23

12A

ZRA125Y03

ZRA125Y02

ZRA125Y01

E-Line

•

ZRA12501

ZRA125R01

E-Line

•

ZRA12502

ZRA125R02

E-Line

•

ZRA12503

ZRA125R03

Tol% Package

Partmark

Part No

Tol% Package

E-Line *

E-Line

* E-Line 3 pin Reversed

E-Line 2 pin

•

E-Line 3 pin

Partmark

ZRA125

CONNECTION DIAGRAMS

E-Line, 2 pin Package Suffix Y

E-Line, 3 pin,Rev Package Suffix R

ZRA125R3

ZRA125R2

ZRA125R1

ZRA12503

ZRA12502

ZRA12501

Bottom View

Pin 3 floating or connected to pin 1

E-Line, 3 pin Package Suffix A

SO8 Package Suffix N8

Bottom View

Pin 1 floating or connected to pin 3

Top View

SOT23 Package Suffix F

Top View

Pin 1 floating or connected to pin 2

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