LM20_16 datasheet(5/25 Pages) TI1

Numer części	LM20

Szczegółowy opis	DSBGA Temperature Sensor

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Producent	TI1 [Texas Instruments]

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LM20

www.ti.com

SNIS106Q – DECEMBER 1999 – REVISED JANUARY 2015

Electrical Characteristics: LM20B (continued)

Unless otherwise noted, these specifications apply for V

+ = 2.7 V

DC. All limits TA = TJ = TMIN to TMAX, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN(1)

TYP(2)

MAX(1)

UNIT

Non-linearity(4)

–20°C

≤ TA ≤ 80°C

±0.4%

Sensor Gain (Temperature Sensitivity or

Average Slope) to equation:

–30°C

≤ TA ≤ 100°C

–12.2

–11.77

–11.4

mV/°C

VO=−11.77 mV / °C×T+1.860 V

Output Impedance

Sourcing IL 0 μA to 16 μA

(5) (6)

160

Ω

Load Regulation(7)

Sourcing IL 0 μA to 16 μA

(3) (6)

–2.5

mV

2.4 V

≤ V+ ≤ 5.0 V

3.3

mV/V

Line Regulation(8)

5.0 V

≤ V+ ≤ 5.5 V

11

mV

2.4 V

≤ V+ ≤ 5.0 V; TA = 25°C

4.5

7

μA

Quiescent Current

5.0 V

≤ V+ ≤ 5.5 V; TA = 25°C

4.5

9

μA

2.4 V

≤ V+ ≤ 5.0 V

4.5

10

μA

Change of Quiescent Current

2.4 V

≤ V+ ≤ 5.5 V

0.7

μA

Temperature Coefficient of Quiescent

–11

nA/°C

Current

Shutdown Current

V+

≤ 0.8 V

0.02

μA

(4)

Non-linearity is defined as the deviation of the calculated output-voltage-versus-temperature curve from the best-fit straight line, over the

temperature range specified.

(5)

The LM20 can at most sink 1

μA and source 16 μA.

(6)

Load regulation or output impedance specifications apply over the supply voltage range of 2.4 V to 5.5 V.

(7)

Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output due to heating

effects can be computed by multiplying the internal dissipation by the thermal resistance.

(8)

Line regulation is calculated by subtracting the output voltage at the highest supply input voltage from the output voltage at the lowest

supply input voltage.

6.6 Electrical Characteristics: LM20C

Unless otherwise noted, these specifications apply for V

+ = 2.7 V

DC. All limits TA = TJ = TMIN to TMAX, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN(1)

TYP(2)

MAX(1)

UNIT

TA = 25°C to 30°C

–4

5

°C

TA = 130°C

–5

5

°C

TA = 125°C

–5

5

°C

TA = 100°C

–4.7

4.7

°C

Temperature to Voltage Error

TA = 85°C

–4.6

4.6

°C

VO = (−3.88×10

−6× T 2) + (−1.15×10−2×

TA = 80°C

–4.5

4.5

°C

T) + 1.8639 V(3)

TA = 0°C

–4.4

4.4

°C

TA = –30°C

–4.7

4.7

°C

TA = –40°C

–4.8

4.8

°C

TA = –55°C

–5.0

5.0

°C

Output Voltage at 0°C

1.8639

V

Variance from Curve

±1.0

°C

Non-Linearity (4)

–20°C

≤ TA ≤ 80°C

±0.4%

Sensor Gain (Temperature Sensitivity or

Average Slope) to equation:

–30°C

≤ TA ≤ 100°C

–12.6

–11.77

–11.0

mV/°C

VO=−11.77 mV / °C×T+1.860 V

Output Impedance

Sourcing IL 0 μA to 16 μA

(5) (6)

160

Ω

(1)

Limits are ensured to TI's AOQL (Average Outgoing Quality Level).

(2)

Typicals are at TJ = TA = 25°C and represent most likely parametric norm.

(3)

Accuracy is defined as the error between the measured and calculated output voltage at the specified conditions of voltage, current, and

temperature (expressed in °C).

(4)

Non-linearity is defined as the deviation of the calculated output-voltage-versus-temperature curve from the best-fit straight line, over the

temperature range specified.

(5)

The LM20 can at most sink 1

μA and source 16 μA.

(6)

Load regulation or output impedance specifications apply over the supply voltage range of 2.4 V to 5.5 V.

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