TMP12 datasheet(2/14 Pages) AD

2 / 14 page

Parameter

Symbol

Conditions

Min

Typ

Max

Units

ACCURACY

Accuracy (High, Low Setpoints)

TA =

°C

Accuracy (High, Low Setpoints)

TA =

°C to 100°C

°C

Internal Scale Factor

TA =

°C to 100°C

4.9

5.1

mV/

°C

Power Supply Rejection Ratio

PSRR

4.5 V

≤ V

≤ 5.5 V

0.1

0.5

°C/V

Linearity

TA =

°C to 125°C

0.5

°C

Repeatability

TA =

°C to 125°C

0.3

°C

Long Term Stability

TA =

125

°C for 1 k Hrs

0.3

°C

SETPOINT INPUTS

Offset Voltage

VOS

0.25

Output Voltage Drift

TCVOS

µV/°C

Input Bias Current

100

VREF OUTPUT

Output Voltage

VREF

TA =

°C, No Load

2.49

2.50

2.51

Output Voltage

VREF

TA =

°C to 100°C,

2.5

0.015

No Load

Output Drift

TCVREF

ppm/

°C

Output Current, Zero Hysteresis

IVREF

µA

Hysteresis Current Scale Factor

SFHYS

µA/°C

OPEN-COLLECTOR OUTPUTS

Output Low Voltage

VOL

I SINK = 1.6 mA

0.25

0.4

Output Low Voltage

VOL

I SINK = 20 mA

0.6

Output Leakage Current

IOH

VS = 12 V

100

µA

Fall Time

tHL

See Test Load

HEATER

Resistance

TA =

°C

100

103

Ω

Temperature Coefficient

TA =

°C to 125°C

100

ppm/

°C

Maximum Continuous Current

See Note 1

POWER SUPPLY

Supply Range

4.5

5.5

Supply Current

ISY

Unloaded at

5 V

400

600

µA

ISY

Unloaded at

12 V

450

µA

NOTES

1Guaranteed but not tested.

2TMP12 is specified for operation from a 5 V supply. However, operation is allowed up to a 12 V supply, but not tested at 12 V. Maximum heater supply is 6 V.

Specifications subject to change without notice.

TMP12–SPECIFICATIONS

REV. 0

–2–

(VS =

5 V,

°C ≤ T

≤ 125°C unless otherwise noted.)

20pF

Ω

TEST LOAD

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