TS821中文资料

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1.225V MICROPOWER VOLTAGE REFERENCE

.1.225V TYP OUTPUT VOLTAGE

.ULTRA LOW OPERATING CURRENT :40μA typ.

.HIGH PRECISION @25o

C +/-2%(Standard version)+/-1%(A grade)+/-0.5%(B grade)

.HIGH STABILITY WHEN USED WITH CAPACITIVE LOADS

.WIDE TEMPERATURE RANGE :-40to +85o

C .

T092&SOT23-3PACKAGES

?

DESCRIPTION

TheTS821is a micropowerintegrated circuit which is a high stability,two terminals,band gap refer-ence providing a stable output voltage over the in-dustrial temperature range (-40to +85o C).The minimum operating current is guaranteed at 50μA over the full operating temperature range.

APPLICATIONS

.Computers

.Instrumentation .Battery chargers

.Switch Mode Power Supply .

Battery operated equipements

TS821

Z TO92

(Plastic Package)

L SOT-23L

(Plastic Micropackage)

ORDER CODES

Precision

TO92SOT23-3SOT23Marking 2%TS821IZ TS821ILT L2131%TS821AIZ TS821AILT L2120.5%

TS821BIZ

TS821BILT

L211

Single temperature range :-40to +85o

C

PIN CONNECTIONS (top view)

May 2000NC Anod e

1

2

3

Ca thod e TO92

1

2

3*

Anode

Cathode

SOT23-3

*This pin must be left floa ting or connecte d to pin 2

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TS821

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value Unit I k Reverse Breakdown Current 20mA I f Forward Current 10

mA P d Power Dissipation

SOT23-3TO92

360625mW

T oper Operating Free Air Temperature Range -40to +85o C T stg

Storage Temperature

-65to +150

o

C

OPERATING CONDITIONS

Symbol Parameter

Value Unit I rmin Minimum Operating Current 45μA I rmax

Maximum Operating Current

12

mA

ELECTRICAL CHARACTERISTICS TS821(2%Precision)

T amb =25o

C (unless otherwise specified)

Symbol Parameter

Test Condition

Min.Typ.Max.Unit V k

Reverse Breakdown Voltage I k =100μA @T amb =25o C 1.200 1.225

1.250V Reverse Breakdown Voltage Tolerance

I k =100μA @T amb =25o C -40o C

C -25-36

+25+36

mV I kmin Minimum Operating Current T amb =25o

C

4045μA -40o C

I K =100μA

150ppm/o C ?V k /?I k

Reverse Breakdown Voltage Change with Operating Current Change

I kmin

0.30.71mV 1mA

C

C 2.557mV R ka Static Impedance ?I k =45μA to 1mA 0.250.5

?K vh Long Term Stability I K =100μA,t =1000hrs T amb =25o C 120ppm en

Wideband Noise

I K =100μA

10Hz

200

nV Hz

Note :

P d has been calculated with T amb =25o

C and T j =125o

C and R thja =200o

C/W for TO92package R thja =340o C/W for SOT23package

TS821

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ELECTRICAL CHARACTERISTICS TS821B (0.5%Precision)

T amb =25o

C (unless otherwise specified)

Symbol Parameter

Test Condition

Min.Typ.Max.Unit V k

Reverse Breakdown Voltage I k =100μA @T amb =25o C 1.219 1.225

1.231V Reverse Breakdown Voltage Tolerance

I k =100μA @T amb =

25o

C -40o C

+6+14

mV I kmin

Minimum Operating Current

T amb =25o C

4045μA -40o

C

C

50μA ?Vref/?T Average Temperature Coeffi-cient I K =100μA

120

ppm/o C ?V k /?I k

Reverse Breakdown Voltage Change with Operating Current Change

I kmin

0.30.71mV 1mA

C -40o C

?K vh Long Term Stability I K =100μA,t =1000hrs T amb =25o C 120ppm en

Wideband Noise

I K =100μA

10Hz

200

nV/

Hz

ELECTRICAL CHARACTERISTICS TS821A (1%Precision)

T amb =25o

C (unless otherwise specified)

Symbol Parameter

Test Condition

Min.Typ.Max.Unit V k

Reverse Breakdown Voltage I k =100μA @T amb =25o C 1.213 1.225

1.237V Reverse Breakdown Voltage Tolerance

I k =100μA @T amb =25o C -40o C

+12+24

mV I kmin Minimum Operating Current T amb =25o C

4045μA -40o C

I K =100μA

150

ppm/o C ?V k /?I k

Reverse Breakdown Voltage Change with Operating Current Change

I kmin

C -40o C

0.30.71mV 1mA

?K vh Long Term Stability I K =100μΑ,t =1000hrs T amb =25o C 120ppm/kHr en

Wideband Noise

I K =100μA

10Hz

200

nV/

Hz

TS821

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Reference Voltage versus Cathode Current

Reference Voltage versus Cathode Current

Reference Voltage versus Temperature

Test Circuit Dynamic Impedance versus Temperature Noise Voltage versus Frequency

TS821

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Pulse Response for Ik =100m A

Test Circuit for Pulse Response at Ik =100m A

Test Circuit for Pulse Response at Ik =1mA

Pulse Response for Ik =1mA

TS821

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PACKAGE MECHANICAL DATA 3PINS -PLASTIC PACKAGE TO92

https://www.360docs.net/doc/1f10697532.html,limeters

Inches Min.Typ.Max.

Min.

Typ.Max.

L 1.270.05B 3.2 3.7 4.20.1260.14570.1654O1 4.45 5.00 5.20.17520.19690.2047C 4.58 5.03

5.33

0.18030.1980.2098K 12.70.5O20.4070.5

0.508

0.0160.0197

0.02a

0.35

0.0138

TS821

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Information furnished is believed to be accurate and reliable.However,STMicroelectronics assumes no responsibility for the conse-quences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use.No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics.Specifications mentioned in this publication are subject to change without notice.This publication supersedes and replaces all information previously sup-plied.STMicroelectronics products are not authorized for use as critical components in life support devices or systems without ex-press written approval of STMicroelectronics.

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PACKAGE MECHANICAL DATA 3PINS -TINY PACKAGE (SOT23)

https://www.360docs.net/doc/1f10697532.html,limeters

Inches Min.Typ.

Max.Min.Typ.

Max.A 0.890 1.1200.0350.044A10.0100.1000.0004

0.004

A20.8800.950 1.0200.037

0.040b 0.3000.5000.0120.020c 0.0800.2000.0030.008

D 2.800 2.900 3.0400.1100.1140.120

E 2.100 2.6400.0830.104E1 1.200

1.300 1.400

0.0470.0510.055

e 0.9500.037e1 1.900

0.075L 0.4000.5000.600

0.016

0.0200.024L10.540

0.021

k

0°

8°