5.6 Typical Characteristics

All specifications at TA = 25 °C, VS = 5 V, VSENSE = VIN+ – VIN– = 0.5 V / Gain, VCM = VIN– = 48 V, unless otherwise noted.

Temperature (qC)

-75

-50

-25

0

25

50

75

100

125

150

175

-200

-100

0

100

200

G = 20

G = 50

G = 100

G = 200

G = 500

Figure 5-1. Common-Mode Rejection Ratio vs Temperature

Frequency (Hz)

0

20

40

60

80

100

120

140

160

10

100

1k

10k

100k

1M

Figure 5-2. Common-Mode Rejection Ratio vs Frequency

Frequency (Hz)

-10

0

10

20

30

40

50

60

10

100

1k

10k

100k

1M

10M

10

100

1k

10k

100k

1M

10M

G = 20

G = 50

G = 100

G = 200

G = 500

Figure 5-3. Gain vs Frequency

Temperature (qC)

-75

-50

-25

0

25

50

75

100

125

150

175

-0.250

-0.125

0.000

0.125

0.250

G = 20

G = 50

G = 100

G = 200

G = 500

Figure 5-4. Gain Error vs Temperature

Common-Mode Voltage (V)

-20

0

20

40

60

80

100

120

-10

-5

0

5

10

15

20

25

VS = 5V

VS = 20V

VS = 2.7V

VS = 0V

VSENSE = 0 V

Figure 5-5. Input Bias Current vs Common-Mode Voltage

Temperature (qC)

-75

-50

-25

0

25

50

75

100

125

150

175

-10

-5

0

5

10

15

20

25

VS = 0V and 20V, VCM = -20V

VS = 0V and 20V, VCM = -20V

VS = 2.7 to 20V, VCM = 48V

VS = 2.7 to 20V, VCM = 120V

VS = 2.7 to 20V, VCM = -4V

VS = 0V, VCM = 120V

VS = 0V, VCM = -4V

Figure 5-6. Input Bias Current vs Temperature

INA281

SBOSA29A – JUNE 2020 – REVISED NOVEMBER 2023

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