Data Sheet AD8208
Rev. C | Page 7 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
T
OPR
= −40°C to +125°C, T
A
= 25°C, V
S
= 5 V, R
L
= 25 kΩ (R
L
is the output load resistor), unless otherwise noted.
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
–40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90 100 110 120
TEMPERATURE (°C)
V
OSI
(mV)
08714-004
Figure 4. Typical Offset Drift vs. Temperature
GAIN (dB)
30
25
20
15
10
5
0
–10
–5
–15
–20
1k 10k 100k
FREQUENCY (Hz)
1M
08714-005
Figure 5. Typical Small-Signal Bandwidth
CMRR (dB)
120
110
100
90
80
70
60
50
40
10 100 1k 10k 100k 1M
FREQUENCY (H
z)
08714-006
–40°C
+125°C
+25°C
Figure 6. Typical CMRR vs. Frequency
–1500
–1000
–500
0
500
1000
1500
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
GAIN ERROR (ppm)
08714-007
Figure 7. Typical Gain Error vs. Temperature
–0.03
0.02
0.07
0.12
0.17
0.22
0.27
0.32
0.37
0.42
0.47
–2 0 2 4 6 8 1012 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44
INPUT COMMON-MODE (V)
TOTAL INPUT BIAS CURRENT (mA)
08714-008
Figure 8. Total Input Bias Current vs. Common-Mode Voltage,
with +IN and –IN Pins Connected (Shorted)
–35
–30
–25
–20
–15
–10
–5
0
5
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
A2 INPUT VOLTAGE (V)
A2 INPUT BIAS CURRENT (nA)
–40°C
+125°C
+25°C
08714-009
Figure 9. Input Bias Current of A2 vs. Input Voltage and Temperature