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L212

1.225V MICROPOWER VOLTAGE REFERENCE

STMicroelectronics 

TS821

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Ik

Reverse Breakdown Current

If

Forward Current

Pd

Power Dissipation

SOT23-3

TO92

Toper

Operating Free Air Temperature Range

Tstg

Storage Temperature

Note : PRRdtthhjjaaha==s23b04e00eooCCn//WWcalffcoourrlaTStOOed9T22w3pithapcaTkcaakmgbae=ge25oC and Tj = 125oC and

OPERATING CONDITIONS

Symbol

Irmin

Irmax

Parameter

Minimum Operating Current

Maximum Operating Current

Value

20

10

360

625

-40 to +85

-65 to +150

Unit

mA

mA

mW

oC

oC

Value

Unit

45

µA

12

mA

ELECTRICAL CHARACTERISTICS

TS821 (2% Precision)

Tamb = 25oC (unless otherwise specified)

Symbol

Parameter

Test Condition

Vk Reverse Breakdown Voltage

Reverse Breakdown Voltage

Tolerance

Ikmin Minimum Operating Current

∆Vref/∆T

Average Temperature Coeffi-

cient

I

k

=

100µA

@

T=

amb

25oC

I-k4=0o1C0<0µTAam@b < T+a8m5b =oC25oC

Tamb = 25oC

-40oC < Tamb < +85oC

IK = 100µA

∆Vk/∆Ik

Rka

Kvh

en

Reverse Breakdown Voltage

Change with Operating Current

Change

Static Impedance

Long Term Stability

Wideband Noise

-Ik4m0in o<C

Ik < 1mA

< Tamb <

+@85ToCamb

=

25oC

1-4m0AoC<<IkT<am1b 2<m+A85o@C Tamb = 25oC

∆Ik = 45µA to 1mA

I=

K

Tamb

100µA,

= 25oC

t

=

1000hrs

IK = 100µA

10Hz < f < 10kHz

Min.

1.200

-25

-36

Typ.

1.225

40

Max.

1.250

+25

+36

45

50

150

Unit

V

mV

µA

µA

ppm/oC

0.3

0.7

mV

1

2.5

5

mV

7

0.25 0.5

Ω

120

ppm

200

nV Hz

2/7

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