INA821 datasheet(22/51 Pages) TI2

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Table 8-2. INA819 EMIRR for Frequencies of Interest

FREQUENCY

APPLICATION OR ALLOCATION

DIFFERENTIAL

EMIRR

COMMON-MODE

EMIRR

400 MHz

Mobile radio, mobile satellite, space operation, weather, radar, ultrahigh-frequency (UHF)

applications

52 dB

80 dB

900 MHz

Global system for mobile communications (GSM) applications, radio communication,

navigation, GPS (up to 1.6 GHz), GSM, aeronautical mobile, UHF applications

55 dB

71 dB

1.8 GHz

GSM applications, mobile personal communications, broadband, satellite,

L-band (1 GHz to 2 GHz)

58 dB

73 dB

2.4 GHz

802.11b, 802.11g, 802.11n, Bluetooth®, mobile personal communications, industrial, scientific

and medical (ISM) radio band, amateur radio and satellite, S-band (2 GHz to 4 GHz)

59 dB

95 dB

3.6 GHz

Radiolocation, aero communication and navigation, satellite, mobile, S-band

78 dB

96 dB

5 GHz

802.11a, 802.11n, aero communication and navigation, mobile communication, space and

satellite operation, C-band (4 GHz to 8 GHz)

70 dB

100 dB

8.3.3 Input Common-Mode Range

The linear input voltage range of the INA819 input circuitry extends within 1.5 volts (typical) of both power

supplies and maintains excellent common-mode rejection throughout this range. The common-mode range for

the most common operating conditions are shown in Figure 8-4 toFigure 8-7. The common-mode range for other

operating conditions is best calculated using the Analog Engineers Calculator.

Output Voltage (V)

VREF = 0 V

VREF = 2.5 V

C006

VS = 5 V

G = 1

Figure 8-4. Input Common-Mode Voltage

vs Output Voltage

Output Voltage (V)

VREF = 0 V

VREF = 2.5 V

C006

VS = 5 V

G = 100

Figure 8-5. Input Common-Mode Voltage

vs Output Voltage

-5

-4

-3

-2

-1

±6

±4

±2

Output Voltage (V)

G = 1

G = 100

C006

VS = ±5 V

VREF = 0 V

Figure 8-6. Input Common-Mode Voltage

vs Output Voltage

-20

-15

-10

-5

±20

±10

Output Voltage (V)

G = 1

G = 100

C006

VS = ±15 V

VREF = 0 V

Figure 8-7. Input Common-Mode Voltage

vs Output Voltage

INA819

SBOS959D – DECEMBER 2018 – REVISED APRIL 2022

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