UCD3138128 datasheet(16/80 Pages) TI

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AVG

3 σ

1 σ

-1 σ

-3 σ

2.06

2.04

2.02

1.98

1.96

1.94

-50

2.08

1.92

100

150

200

-100

Temperature (°C)

2.475

2.480

2.485

2.490

2.495

2.500

2.505

2.510

2.515

−40

−20

100

120

Temperature (°C)

G003b

ADC12 2.5-V Reference

−4

−2

−40

−20

100

120

Temperature (°C)

G002b

ADC12 Temperature Sensor Measurement Error

1.6

1.7

1.8

1.9

2.1

−40

−20

100

120

Temperature (°C)

G005a

1.4

1.6

1.8

2.0

2.2

2.4

2.6

−60 −40 −20

100 120 140 160

Temperature (°C)

G006b

ADC12 Measurement Temperature Sensor Voltage

UCD3138128, UCD3138A64

SLUSBZ8A – JUNE 2014 – REVISED SEPTEMBER 2014

www.ti.com

8.11 Typical Characteristics

Figure 5. ADC12 Measurement Temperature Sensor Voltage

Figure 4. EADC LSB Size With 4x Gain (Mv) vs. Temperature

vs. Temperature

Figure 7. ADC12 Temperature Sensor Measurement Error

Figure 6. ADC12 2.5-V Reference vs. Temperature

vs. Temperature

Figure 8. Oscillator Frequency (2MHz Reference, Divided Down From 250MHz) vs. Temperature

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