AD8270 Analog Devices, AD8270 Datasheet - Page 7

• Manufacturer Part Number: AD8270
• Description: Precision Dual-Channel, Difference Amplifier
• Manufacturer: Analog Devices

TYPICAL PERFORMANCE CHARACTERISTICS
V
S
= ±15 V, T
180
150
120
400
350
300
250
200
150
100
160
140
120
100
Figure 4. Typical Distribution of System Offset Voltage, G = 1
90
60
30
50
80
60
40
20
–150
0
0
0
–0.9
Figure 6. Typical Distribution of Gain Error, G = 1
A
Figure 5. Typical Distribution of CMRR, G = 1
–0.04
= 25°C, difference amplifier configuration, unless otherwise noted.
–100
–0.6
SYSTEM OFFSET VOLTAGE (mV)
–50
–0.02
–0.3
GAIN ERROR (%)
CMRR (µV/V)
0
0
0
0.3
50
0.02
N: 1043
MEAN: –0.015
SD: 0.0068
N: 1043
MEAN: –0.003
SD: 0.28
N: 984
MEAN: –1.01
SD: 27
0.6
100
0.9
0.04
150
Rev. 0 | Page 7 of 20
–10
–15
–20
–10
–15
–20
–2
–4
–6
20
15
10
–5
20
15
10
–5
Figure 7. Common-Mode Input Voltage vs. Output Voltage,
Figure 8. Common-Mode Input Voltage vs. Output Voltage,
Figure 9. Common-Mode Input Voltage vs. Output Voltage,
5
0
6
4
2
0
5
0
–20
–10
–3
(–2.5, +2.5)
(–2.5, –2.5)
(–7.5, +7.5)
(–7.5, –7.5)
(–14.3, +7.85)
(–14.3, –7.85)
(–1.25, –1.25)
(–1.25, –1.25)
–15
–2
Gain = 0.5, ±5 V and ±2.5 V Supplies
–10
–5
Gain = 0.5, ±15 V Supplies
Gain = 1, ±15 V Supplies
OUTPUT VOLTAGE (V)
–1
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
–5
(0, +2.5)
(0, –2.5)
(0, +15)
(0, –15)
(0, +15)
(0, –15)
(0, +5)
(0, –5)
0
0
0
V
S
= ±2.5
5
1
(+1.25, +1.25)
(+1.25, –1.25)
10
V
5
S
(+14.3, +7.85)
(+14.3, –7.85)
= ±5
(+7.5, +7.5)
(+7.5, –7.5)
(+2.5, +2.5)
(+2.5, –2.5)
2
15
AD8270
10
20
3