6.17 Typical Characteristics

at VDD1 = 5V, VDD2 = 3.3V, VREFIN = 3.3V, VINP = –50mV to 50mV, VINN = 0V, and fIN = 10kHz (unless otherwise noted)

-70 -60 -50 -40 -30 -20 -10

0

10 20 30 40 50 60 70

Differential Input Voltage (mV)

0

0.5

1

1.5

2

2.5

3

3.5

G006

Figure 6-6. Output Voltage vs Input Voltage

-70 -60 -50 -40 -30 -20 -10

0

10 20 30 40 50 60 70

V

IN(mV)

-0.5

-0.4

-0.3

-0.2

-0.1

0

0.1

0.2

0.3

0.4

0.5

TA = 125 C

TA = 25 C

TA = -40 C

G074

specified linear range

Total uncalibrated output error is defined as:((VOUT_Measured

– VOUT_Expected) / VREFIN) x 100 , where VOUT_Expected = VIN /

VClipping x VREFIN / 2 + VREFIN / 2, VREFIN = 3.3V and VClipping =

0.064V

Figure 6-7. Unadjusted Error vs Input Voltage

3

3.5

4

4.5

5

5.5

VDDx (V)

-300

-250

-200

-150

-100

-50

0

50

100

150

200

250

300

vs VDD1

vs VDD2

G027

Figure 6-8. Input Offset Voltage vs Supply Voltage

-40

-25

-10

5

20

35

50

65

80

95

110 125

Temperature (°C)

-300

-250

-200

-150

-100

-50

0

50

100

150

200

250

300

Device 1

Device 2

Device 3

G026

Figure 6-9. Input Offset Voltage vs Temperature

2.7

2.8

2.9

3

3.1

3.2

3.3

V

REFIN(V)

-300

-250

-200

-150

-100

-50

0

50

100

150

200

250

300

TA = 125C

TA = 25C

TA = -40C

G080A

VDD2 = 3.3V

Figure 6-10. Input Offset Voltage vs VREFIN

3

3.5

4

4.5

5

5.5

V

REFIN(V)

-300

-250

-200

-150

-100

-50

0

50

100

150

200

250

300

TA = 125C

TA = 25C

TA = -40C

G080B

VDD2 = 5.5V

Figure 6-11. Input Offset Voltage vs VREFIN

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