Datasheet

Data Sheet AD8421
Rev. 0 | Page 15 of 28
+
V
S
–V
S
02 2018
OUTPUT VOLTAGE (V)
REFERRED TO SUPPLY VOLTAGES
SUPPLY VOLTAGE (±V
S
)
4 6 8 10 12 14 16
–0.5
–1.0
–1.5
–2.0
–2.5
+0.5
+1.0
+1.5
+2.0
+2.5
–40°C
+25°C
+85°C
+105°C
+125°C
10123-032
Figure 34. Output Voltage Swing vs. Supply Voltage, R
L
= 600 Ω
15
10
–15
–10
–5
5
0
100 100k
OUTPUT VOLTAGE SWING (V)
LOAD (Ω)
1k 10k
–40°C
+25°C
+85°C
+105°C
+125°C
10123-033
Figure 35. Output Voltage Swing vs. Load Resistance
+
V
S
–V
S
0 0.01 0.100.09
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
OUTPUT CURRENT (A)
0.02 0.03 0.04 0.05 0.06 0.07 0.08
–2
–4
–6
–8
+2
+4
+6
+8
–40°C
+25°C
+85°C
+105°C
+125°C
10123-034
Figure 36. Output Voltage Swing vs. Output Current
5
4
3
–5
–4
–3
–2
–1
0
1
2
–10 –8 –6 –4 –2 0 2 4 6 8 10
NONLINEARITY (ppm)
OUTPUT VOLTAGE (V)
GAIN = 1
R
L
= 2kΩ
R
L
= 10kΩ
10123-035
Figure 37. Gain Nonlinearity (G = 1), R
L
= 10 kΩ, 2 kΩ
5
4
3
–5
–4
–3
–2
–1
0
1
2
–10 –8 –6 –4 –2 0 2 4 6 8 10
NONLINEARITY (ppm)
OUTPUT VOLTAGE (V)
GAIN = 1
R
L
= 600Ω
10123-036
Figure 38. Gain Nonlinearity (G = 1), R
L
= 600 Ω
100
80
60
–100
–80
–60
–40
–20
0
20
40
–10 –8 –6 –4 –2 0 2 4 6 8 10
NONLINEARITY (ppm)
OUTPUT VOLTAGE (V)
GAIN = 1000
R
L
= 600Ω
10123-072
Figure 39. Gain Nonlinearity (G = 1000), R
L
= 600 Ω, V
OUT
= ±10 V