ADUCM361BCPZ128-R7 datasheet(21/24 Pages) AD

21 / 24 page

Data Sheet

ADuCM360/ADuCM361

Rev. B | Page 21 of 24

TYPICAL PERFORMANCE CHARACTERISTICS

–10

0.5

1.0

1.5

COMMON-MODE VOLTAGE (V)

2.0

2.5

3.0

3.5

–20

–30

IP – IN

Figure 9. Input Current vs. Common-Mode Voltage (VCM),

Gain = 4, ADC Input = 250 mV, AVDD = 3.6 V, TA = 25°C,

VCM = ((AIN+) + (AIN−))/2

–1

–2

–3

0.5

1.0

1.5

COMMON-MODE VOLTAGE (V)

2.0

2.5

3.0

3.5

–4

–5

IP – IN

Figure 10. Input Current vs. Common-Mode Voltage (VCM),

Gain = 128, ADC Input = 7.8125 mV, AVDD = 3.6 V, TA = 25°C,

VCM = ((AIN+) + (AIN−))/2

–40

–20

14000000

12000000

10000000

8000000

6000000

4000000

2000000

TEMPERATURE (°C)

100

120

Figure 11. ADC Codes (Decimal Values) vs. Die Temperature

100

150

200

250

200

400

600

800

1000

1200

CAPACITANCE (nF)

BOOST = 0

BOOST = 30

Figure 12. VBIAS Output Settling Time vs. Load Capacitance,

TA = 25°C, IOVDD and AVDD = 3.3 V

0.5

1.0

1.5

2.0

2.5

3.0

3.5

VOLTAGE (V)

Figure 13. Digital Input Pin Pull-Up Resistance Value vs. Voltage Applied

to Digital Pin, TA = 25°C, IOVDD = 3.4 V

0.5

1.0

1.5

2.0

VOLTAGE (V)

Figure 14. Digital Input Pin Pull-Up Resistance Value vs. Voltage Applied

to Digital Pin, TA = 25°C, IOVDD = 1.8 V

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