Datasheet

AD8251
Rev. B | Page 12 of 24
+
V
S
–V
S
41
06287-030
SUPPLY VOLTAGE (±V
S
)
INPUT VOLTAGE (V)
REFERRED TO SUPPLY VOLTAGES
6
–1
–2
+2
+1
6 8 10 12 14
+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, V
REF
= 0 V, R
L
= 10 kΩ
15
–15
–16 16
06287-031
DIFFERENTIAL INPUT VOLTAGE (V)
CURRENT (mA)
10
5
0
–5
–10
–12 –8 –4 0 4 8 12
+V
S
FAULT CONDITION
(OVER DRIVEN INPUT)
G = 8
FAULT CONDITION
(OVER DRIVEN INPUT)
G = 8
+IN
–IN
–V
S
Figure 31. Fault Current Draw vs. Input Voltage, G = 8, R
L
= 10 kΩ
+
V
S
–V
S
41
06287-032
SUPPLY VOLTAGE (±V
S
)
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
6
6 8 10 12 14
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
+125°C
+125°C
+
8
5
°
C
+
8
5
°
C
+25°C
+25°C
–40°C
–40°C
Figure 32. Output Voltage Swing vs. Supply Voltage, G = 8, R
L
= 2 kΩ
+
V
S
–V
S
41
06287-033
SUPPLY VOLTAGE (±V
S
)
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
6
6 8 10 12 14
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
+125°C
+125°C
+85°C
+
2
5
°
C
–40°C
–40°C
+85°C
+
2
5
°
C
Figure 33. Output Voltage Swing vs. Supply Voltage, G = 8, R
L
= 10 kΩ
15
–15
100 10k
06287-034
LOAD RESISTANCE ()
OUTPUT VOLTAGE SWING (V)
1k
10
5
0
–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
+
V
S
–V
S
41
06287-035
OUTPUT CURRENT (mA)
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
6
6 8 10 12 14
–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