Datasheet

AD8230
Rev. B | Page 6 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
OFFSET VOLTAGE (µV RTI)
9–9 –3–6 0 3 6
SAMPLES
500
400
300
200
100
0
TOTAL NUMBER OF
SAMPLES = 2839 FROM 3 LOTS
05063-004
Figure 4. Offset Voltage (RTI) Distribution at ±5 V, CM = 0 V, T
A
= 25°C
OFFSET VOLTAGE DRIFT (nV/°C)
50–50 –30 –10 10 30
SAMPLES
40
35
30
25
20
15
10
5
0
TOTAL NUMBER OF SAMPLES = 300 FROM 3 LOTS
05063-005
Figure 5. Offset Voltage (RTI) Drift Distribution
TEMPERATURE (°C)
150–50 –30 –10 10 7030 50 110 13090
OFFSET VOLTAGE (µV RTI)
0
–2
–4
–6
–8
–10
–12
–20
–14
–16
–18
V
S
=±5V
V
S
=±8V
05063-006
Figure 6. Offset Voltage (RTI) vs. Temperature
COMMON-MODE VOLTAGE (V)
OFFSET VOLTAGE (µV RTI)
–20
–15
–10
–5
0
5
10
15
20
–2 0–6 –4 2 4 6
NORMALIZED FOR V
CM
= 0V
05063-007
Figure 7. Offset Voltage (RTI) vs. Common-Mode Voltage, V
S
= ±5 V
COMMON-MODE VOLTAGE (V)
OFFSET VOLTAGE (µV RTI)
–20
–15
–10
–5
0
5
10
15
20
–10–8–6–4–2 0 2 4 6 8 10
NORMALIZED FOR V
CM
= 0V
05063-008
Figure 8. Offset Voltage (RTI) vs. Common-Mode Voltage, V
S
= ±8 V
SOURCE IMPEDANCE (kΩ)
OFFSET VOLTAGE (µV)
–8
–7
–6
–5
–4
–3
–2
–1
0
2301 45
6
±5V SUPPLY
±8V SUPPLY
05063-009
Figure 9. Offset Voltage (RTI) vs. Source Impedance, 1 μF Across Input Pins