Datasheet

AD8270
Rev. 0 | Page 7 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
V
S
= ±15 V, T
A
= 25°C, difference amplifier configuration, unless otherwise noted.
06979-004
160
140
120
100
80
60
40
20
0
–0.9 –0.6 –0.3 0 0.3 0.6 0.9
SYSTEM OFFSET VOLTAGE (mV)
NUMBER OF UNITS
N: 1043
MEAN: –0.003
SD: 0.28
Figure 4. Typical Distribution of System Offset Voltage, G = 1
180
150
120
90
60
30
0
–100–150 –50 0 50 100 150
CMRR (µV/V)
NUMBER OF UNITS
06979-005
N: 984
MEAN: –1.01
SD: 27
Figure 5. Typical Distribution of CMRR, G = 1
400
350
300
250
200
150
100
50
0
–0.04 –0.02 0 0.02 0.04
GAIN ERROR (%)
NUMBER OF UNITS
06979-006
N: 1043
MEAN: –0.015
SD: 0.0068
Figure 6. Typical Distribution of Gain Error, G = 1
20
15
10
5
0
–5
–10
–15
–20
–10 –5 0 5 10
OUTPUT VOLTAGE (V)
COMMON-MODE INPUT VOLTAGE (V)
06979-007
(–7.5, +7.5) (+7.5, +7.5)
(–7.5, –7.5) (+7.5, –7.5)
(0, +15)
(0, –15)
Figure 7. Common-Mode Input Voltage vs. Output Voltage,
Gain = 0.5, ±15 V Supplies
6
4
2
0
–2
–4
–6
–3 –2 –1 0 1 2 3
OUTPUT VOLTAGE (V)
COMMON-MODE INPUT VOLTAGE (V)
06979-008
(–1.25, –1.25) (+1.25, +1.25)
(–2.5, +2.5) (+2.5, +2.5)
(–2.5, –2.5) (+2.5, –2.5)
(–1.25, –1.25) (+1.25, –1.25)
(0, +2.5)
(0, –2.5)
(0, +5)
(0, –5)
V
S
= ±2.5 V
S
= ±5
Figure 8. Common-Mode Input Voltage vs. Output Voltage,
Gain = 0.5, ±5 V and ±2.5 V Supplies
20
15
10
5
0
–5
–10
–15
–20
–20 –15 –10 –5 0 5 10 15 20
OUTPUT VOLTAGE (V)
COMMON-MODE INPUT VOLTAGE (V)
06979-009
(0, +15)
(0, –15)
(–14.3, +7.85) (+14.3, +7.85)
(–14.3, –7.85) (+14.3, –7.85)
Figure 9. Common-Mode Input Voltage vs. Output Voltage,
Gain = 1, ±15 V Supplies