AD8251ARMZ-R7 datasheet(13/25 Pages) AD

13 / 25 page

AD8251

Rev. B | Page 12 of 24

+VS

–VS

SUPPLY VOLTAGE (±VS)

–1

–2

+125°C

+85°C

+25°C

–40°C

+125°C

+85°C

+25°C

–40°C

Figure 30. Input Voltage Limit vs. Supply Voltage, G = 1, VREF = 0 V, RL = 10 kΩ

–15

–16

DIFFERENTIAL INPUT VOLTAGE (V)

–5

–10

–12

–8

–4

+VS

FAULT CONDITION

(OVER DRIVEN INPUT)

G = 8

FAULT CONDITION

(OVER DRIVEN INPUT)

G = 8

+IN

–IN

–VS

Figure 31. Fault Current Draw vs. Input Voltage, G = 8, RL = 10 kΩ

+VS

–VS

SUPPLY VOLTAGE (±VS)

–0.2

–0.4

–0.6

–0.8

–1.0

1.0

0.8

0.6

0.4

0.2

+125°C

+85°C

+25°C

–40°C

Figure 32. Output Voltage Swing vs. Supply Voltage, G = 8, RL = 2 kΩ

+VS

–VS

SUPPLY VOLTAGE (±VS)

–0.2

–0.4

–0.6

–0.8

–1.0

1.0

0.8

0.6

0.4

0.2

+125°C

+85°C

+25°C

–40°C

+85°C

+25°C

Figure 33. Output Voltage Swing vs. Supply Voltage, G = 8, RL = 10 kΩ

–15

100

10k

LOAD RESISTANCE (

Ω)

–5

–10

+125°C

+85°C

+25°C

–40°C

+125°C

+85°C

+25°C

–40°C

Figure 34. Output Voltage Swing vs. Load Resistance

+VS

–VS

OUTPUT CURRENT (mA)

–0.4

–0.8

–1.2

–1.6

–2.0

2.0

1.6

1.2

0.8

0.4

+125°C

+85°C

+25°C

–40°C

+125°C

+85°C

+25°C

–40°C

Figure 35. Output Voltage Swing vs. Output Current

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