TSM102A datasheet(4/10 Pages) STMICROELECTRONICS

4 / 10 page

Notes : 1.

∆V

ref is defined as the difference between the maximum and minimum values obtained over the full temperature

range.

∆V

ref =Vref max. -Vref min

The temperature coefficient is defined as the slopes (positive and negative) of the voltage vs temperature limits whithin

which the reference voltage is guaranteed.

The dynamic Impedance is defined as |ZKA|

∆VKA

∆IK

Te mpe rature

V ref max.

Vref min.

25 C

Te mp e ra ture

ma x

2.5V

min

-n

p pm

+ n

pp m

/ C

VOLTAGE REFERENCE

Symbol

Parameter

Value

Unit

VKA

Cathode to Anode Voltage

Vref to 36

Cathode Current

1 to 100

ELECTRICAL CHARACTERISTICS

Tamb =25

oC (unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

Vref

Reference Input Voltage - (figure 1) - Tamb =25

TSM102, VKA =Vref,IK = 10mA

TSM102A, VKA =Vref,IK = 10mA

2.475

2.490

2.500

2.525

2.510

∆Vref

Reference Input Voltage Deviation Over

Temperature Range - (figure 1, note1)

VKA =Vref, IK= 10mA, Tmin.

≤ Tamb ≤ Tmax.

730

∆Vref

∆T

Temperature Coefficient of Reference Input Voltage - (note 2)

VKA =Vref,IK = 10mA, Tmin.

≤ Tamb ≤ Tmax.

±22

±100

ppm/

∆Vref

∆VKA

Ratio of Change in Reference Input Voltage to Change in Cathode to

Anode Voltage - (figure 2)

IK = 10mA,

∆VKA = 36 to 3V

-1.1

-2

mV/V

Iref

Reference Input Current - (figure 2)

IK = 10mA, R1 = 10k

Ω,R2 = ∞

Tamb =25

Tmin.

≤ Tamb ≤ Tmax.

1.5

2.5

µA

∆Iref

Reference Input Current Deviation Over

Temperature Range - (figure 2)

IK = 10mA, R1 = 10k

Ω,R2 = ∞

Tmin.

≤ Tamb ≤ Tmax.

0.5

µA

Imin

Minimum Cathode Current for Regulation - (figure 1)

VKA =Vref

0.5

Ioff

Off-State Cathode Current - (figure 3)

180

500

TSM102

4/10

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