AD8274
TYPICAL PERFORMANCE CHARACTERISTICS
VS = 15 V, TA = 25°C, gain = ½, difference amplifier configuration, unless otherwise noted.
30
20
15
G = ½
0V, +25V
20
10
V
= ±15V
S
5
10
–13.5V, +11.5V
–13.5V, –11.5V
+13.5V, +11.5V
0
0
–5
–10
–15
–20
–25
–30
+13.5V, –11.5V
–10
–20
–30
REPRESENTATIVE SAMPLES
0V, –25V
0
–15
–10
–5
5
10
15
–50
–30
–10
10
30
50
70
90
110
130
OUTPUT VOLTAGE (V)
TEMPERATURE (°C)
Figure 5. CMR vs. Temperature, Normalized at 25°C, Gain = ½
Figure 8. Input Common-Mode Voltage vs. Output Voltage,
Gain = ½, 15 V Supplies
20
150
100
50
G = ½
–3.5V, +15.8V
15
V
= ±5V
S
+3.5V, +8.8V
10
5
V
= ±2.5V
S
–1.0V, +6.2V
–1.0V, –4.0V
+1.0V, +4.2V
0
0
–50
–100
–5
+1.0, –6.0V
–10
–15
–20
–150
–3.5V, –8.7V
+3.5V, –15.5V
REPRESENTATIVE SAMPLES
–200
–4
–3
–2
–1
0
1
2
3
4
–50
–30
–10
10
30
50
70
90
110
130
OUTPUT VOLTAGE (V)
TEMPERATURE (°C)
Figure 6. System Offset vs. Temperature, Normalized at 25°C,
Referred to Output, Gain = ½
Figure 9. Input Common-Mode Voltage vs. Output Voltage,
Gain = ½, 5 V and 2.5 V Supplies
25
30
20
0V, +20.85V
G = 2
20
15
V
= ±15V
S
10
10
+13.5V, +11.5V
–13.5V, +11.5V
0
5
–10
–20
–30
0
–5
+13.5V, –11.5V
–10
–15
–20
–25
–13.5V, –11.5V
–40
REPRESENTATIVE SAMPLES
0V, –20.85V
0
–50
–50
–15
–10
–5
5
10
15
–30
–10
10
30
50
70
90
110
130
OUTPUT VOLTAGE (V)
TEMPERATURE (°C)
Figure 10. Input Common-Mode Voltage vs. Output Voltage,
Gain = 2, 15 V Supplies
Figure 7. Gain Error vs. Temperature, Normalized at 25°C, Gain = ½
Rev. C | Page 6 of 16
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