L235(2008) Ver la hoja de datos (PDF) - STMicroelectronics

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L235
(Rev.:2008)

1.24 V adjustable shunt voltage reference

STMicroelectronics 

TS432

2

Electrical characteristics

Electrical characteristics

Table 3.

Symbol

Tamb = 25°C (unless otherwise specified)

Parameter

Test conditions

Min. Typ. Max. Unit

Vref Reference voltage

IK = 100µA, VK=VREF

TS432 (1%)

TS432A (0.5%)

1.24

1.228

1.252 V

1.234

1.246

ΔVref

Reference voltage tolerance over

temperature

IK = 100µA, VK=VREF

7 16 mV

IKmin Minimum operating current

Tamb = 25°C

-40°C < Tamb < +85°C

IKmin < IK < 1mA

ΔVref

Reverse breakdown voltage change with -40°C < Tamb < +85°C

operating current range

1mA < IK < 12mA

-40°C < Tamb < +85°C

ΔVref/ΔVK

Reference voltage change with output

voltage change

IK = 10mA, VK=10V to VREF

-40°C < Tamb < +85°C

Iref

Reference input current

IK=10mA, R1=10KΩ,

R2=+ ∞

-40°C < Tamb < +85°C

IOFF Off-state cathode current

VREF=0, VK=10V

-40°C < Tamb < +85°C

RKA Static impedance

ΔIK = 100µA to 12mA

KVH Long term stability

IK = 100µA, t = 1000hrs

EN Wide band noise

IK = 100µA

100Hz < F < 10kHz

40 60

μA

65

0.7 1.5

2

mV

2

4

6

1.8 2.5

mV/V

3

50 100

nA

200

1 100

nA

150

0.25 0.5

W

120

ppm

200

nV/√Hz

Note:

Limits are 100% production tested at 25° C. Behavior over the temperature range is

guaranteed through correlation and by design.

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