STLM20 datasheet(7/16 Pages) STMICROELECTRONICS

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STLM20

Transfer function

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Table 3.

Quadratic output equation (VCC = 2.7V)

Parameter

Conditions

Min

Typ

Max

Unit

Temperature error based on:

VOUT = (–3.88e

–6 × T2) + (–1.15e–2 × T) + 1.8639

where T is the temperature

TA = –55°C

2.457

2.485

2.512

TA = –40°C

2.292

2.318

2.343

TA = –30°C

2.181

2.205

2.230

TA = –20°C

2.069

2.092

2.116

TA = 0°C

1.842

1.864

1.886

TA = 25°C

1.556

1.574

1.592

TA = 50°C

1.255

1.279

1.303

TA = 85°C

0.833

0.859

0.884

TA = 130°C

0.272

0.303

0.335

Table 4.

Quadratic output equation for operations over the full voltage range

(VCC = 2.4V to 5.5V)

Parameter(1)

VOUT tolerance is ±4% (temperature grade 9 only).

Conditions

Min

Max

Unit

Temperature error based on:

VOUT = (–3.88e

–6 × T2) + (–1.15e–2 × T) + 1.8639,

where T is the temperature

TA = –55°C

(2) (3)

Valid for VCC min = 2.7V.

Valid for temperature grade 7 only.

2.457

2.531

TA = –40°C

(2)

2.292

2.362

TA = –30°C

2.180

2.249

TA = –20°C

2.068

2.135

TA = 0°C

1.841

1.904

TA = 25°C

1.555

1.610

TA = 50°C

1.254

1.322

TA = 85°C

0.832

0.903

TA = 130°C

(3)

0.271

0.353

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