AD8226ARZ-R7 datasheet(13/28 Pages) AD

13 / 28 page

AD8226

Rev. A | Page 13 of 28

160

140

120

100

0.1

100

10k

100k

FREQUENCY (Hz)

GAIN = 1000

GAIN = 100

GAIN = 10

GAIN = 1

BANDWIDTH

LIMITED

Figure 27. CMRR vs. Frequency, RTI

120

100

0.1

100

10k

100k

FREQUENCY (Hz)

GAIN = 1000

GAIN = 1

GAIN = 100

GAIN = 10

BANDWIDTH

LIMITED

Figure 28. CMRR vs. Frequency, RTI, 1 kΩ Source Imbalance

3.0

2.5

2.0

1.5

1.0

0.5

–0.5

–1.0

–1.5

–2.0

–2.5

–3.0

102030405060

100 110 120

WARM-UP TIME (Seconds)

Figure 29. Change in Input Offset Voltage vs. Warm-Up Time

150

125

100

–45 –30 –15

105 120 135

TEMPERATURE (°C)

VS = ±15V

VREF = 0V

–IN BIAS CURRENT

+IN BIAS CURRENT

OFFSET CURRENT

Figure 30. Input Bias Current and Input Offset Current vs. Temperature

–10

–20

–30

–40

–50

–60

–70

–60

–40

–20

100

120

140

TEMPERATURE (°C)

NORMALIZED AT 25°C

–0.4ppm/°C

–0.3ppm/°C

–0.6

ppm/°C

Figure 31. Gain Error vs. Temperature, G = 1

–10

–20

–30

–40

–50

–30

–10

110

130

TEMPERATURE (°C)

REPRESENTATIVE DATA

NORMALIZED AT 25°C

0.2ppm/°C

–0.35ppm/°C

Figure 32. CMRR vs. Temperature, G = 1

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