1°C Triple Temperature Sensor with Resistance Error Correction & Hotter of Two Zones

Datasheet

Revision 1.44 (04-14-08)

22

SMSC EMC1053

DATASHEET

For CPU substrate transistors that require the BJT transistor model, the ideality factor behaves slightly

differently than for discrete diode-connected transistors. Refer to Table 4.9 when using a CPU

substrate transistor.

Table 4.8 Ideality Factor Look Up Table

SETTING

FACTOR

SETTING

FACTOR

SETTING

FACTOR

001000

0.9951

011000

1.0159

101000

1.0377

001001

0.9964

011001

1.0173

101001

1.0391

001010

0.9976

011010

1.0186

101010

1.0404

001011

0.9989

011011

1.0199

101011

1.0418

001100

1.0002

011100

1.0213

101100

1.0432

001101

1.0015

011101

1.0226

101101

1.0446

001110

1.0028

011110

1.0240

101110

1.0460

001111

1.0041

011111

1.0253

101111

1.0475

010000

1.0054

100000

1.0267

110000

1.0489

010001

1.0067

100001

1.0280

110001

1.0503

010010

1.0080

100010

1.0294

010011

1.0093

100011

1.0308

010100

1.0106

100100

1.0321

010101

1.0119

100101

1.0335

010110

1.0133

100110

1.0349

010111

1.0146

100111

1.0363

Table 4.9 Substrate Diode Ideality Factor Look-Up Table (BJT Model)

SETTING

FACTOR

SETTING

FACTOR

SETTING

FACTOR

001000

0.9869

011000

1.0079

101000

1.0291

001001

0.9882

011001

1.0092

101001

1.0304

001010

0.9895

011010

1.0105

101010

1.0317

001011

0.9908

011011

1.0120

101011

1.0330

001100

0.9921

011100

1.0132

101100

1.0343

001101

0.9934

011101

1.0146

101101

1.0356

001110

0.9947

011110

1.0159

101110

1.0369

001111

0.9960

011111

1.0173

101111

1.0382

010000

0.9973

100000

1.0187

110000

1.0395