TLV9302IDDFR datasheet(18/61 Pages) TI2

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7.3.2 EMI Rejection

The TLV930x uses integrated electromagnetic interference (EMI) filtering to reduce the effects of EMI from

sources such as wireless communications and densely-populated boards with a mix of analog signal chain and

digital components. EMI immunity can be improved with circuit design techniques; the TLV930x benefits from

these design improvements. Texas Instruments has developed the ability to accurately measure and quantify the

immunity of an operational amplifier over a broad frequency spectrum extending from 10 MHz to 6 GHz. Figure

7-3 shows the results of this testing on the TLV930x. Table 7-1 shows the EMIRR IN+ values for the TLV930x at

particular frequencies commonly encountered in real-world applications. Table 7-1 lists applications that may be

centered on or operated near the particular frequency shown. The EMI Rejection Ratio of Operational Amplifiers

application report contains detailed information on the topic of EMIRR performance as it relates to op amps and

is available for download from www.ti.com.

Frequency (Hz)

100

10M

100M

C004

Figure 7-3. EMIRR Testing

Table 7-1. TLV930x EMIRR IN+ for Frequencies of Interest

FREQUENCY

APPLICATION OR ALLOCATION

EMIRR IN+

400 MHz

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

applications

59.5 dB

900 MHz

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

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

68.9 dB

1.8 GHz

GSM applications, mobile personal communications, broadband, satellite, L-band (1 GHz to 2 GHz)

77.8 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)

78.0 dB

3.6 GHz

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

88.8 dB

5 GHz

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

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

87.6 dB

TLV9301, TLV9302, TLV9304

SBOS941D – FEBRUARY 2019 – REVISED AUGUST 2021

www.ti.com

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