AD8270 Analog Devices, AD8270 Datasheet - Page 8

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

AD8270
–10
–15
–20
Figure 10. Common-Mode Input Voltage vs. Output Voltage,
Figure 11. Common-Mode Input Voltage vs. Output Voltage,
Figure 12. Common-Mode Input Voltage vs. Output Voltage,
20
15
10
–5
–2
–4
–6
–2
–4
–6
6
4
2
0
5
0
6
4
2
0
–20
–5
–5
(–4.3, +2.85)
(–4.3, +2.85)
(–4.3, –2.85)
(–14.3, +11.4)
(–14.3, –11.4)
(–4, +4)
(–4, –4)
–4
–4
–15
(–1.6, +1.7)
(–1.6, –1.7)
(–1.6, +2.1)
(–1.6, –2.1)
Gain = 1, ±5 V and ±2.5 V Supplies
Gain = 2, ±5 V and ±2.5 V Supplies
–3
–3
–10
Gain = 2, ±15 V Supplies
–2
–2
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
–5
–1
–1
(0, +2.5)
(0, –2.5)
(0, +15)
(0, –15)
(0, +2.5)
(0, –2.5)
(0, +5)
(0, –5)
(0, +5)
(0, –5)
V
S
0
0
0
= ±2.5
V
S
= ±2.5
1
1
5
(+1.6, +1.7)
(+1.6, –1.7)
(+1.6, +2.1)
(+1.6, –2.1)
2
2
10
V
V
S
(+14.3, +11.4)
(+14.3, –11.4)
S
3
= ±5
3
(+4.3, +2.85)
= ±5
(+4.3, –2.85)
(+4, +4)
(+4, –4)
15
4
4
20
5
5
Rev. 0 | Page 8 of 20
Figure 15. Output Voltage Swing vs. Large Signal Frequency Response
140
120
100
140
120
100
32
28
24
20
16
12
80
60
40
20
80
60
40
20
0
0
8
4
0
100
10
10
GAIN = 1
GAIN = 2, 0.5
GAIN = 2, 0.5
GAIN = 1
V
V
S
S
= ±15V
= ±5V
Figure 14. Negative PSRR vs. Frequency
Figure 13. Positive PSRR vs. Frequency
100
100
1k
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
10k
1k
1k
100k
10k
10k
100k
100k
1M
10M
1M
1M