EMIF06-AUD01F2 Datasheet, PDF (8/14 Pages) STMicroelectronics – 6-line EMI filter and ESD protection for audio interface

Characteristics
EMIF06-AUD01F2
Figure 21.
Variation of total harmonic
Figure 22.
distortion and noise in microphone
lines versus frequency, balanced
(or differential) mode, V_BIAS = 2.4 V
Variation of total harmonic
distortion and noise in microphone
lines versus frequency, unbalanced
(or single-ended) mode
THD+N (dB)
0
-76.593
THD+N (dB)
0
-61.510
-65.688
VGEN: 1.5 Vp-p
V_MAX = 2.4 V
20 Hz < F < 20 kHz
RGEN: 600 Ω
-50
RLOAD: 200 kΩ
A-Weighting filter
Bandwidth: 40 kHz
TAMB = 25 °C
VGEN: 1.5 Vp-p
20 Hz < F < 20 kHz
RGEN: 600 Ω
RLOAD: 100 kΩ
A-Weighting filter
-50
Bandwidth: 40 kHz
TAMB = 25 °C
-100
100
-100
F (Hz)
1k
5.3357 k _{10 k}
100
Figure 23. Test setup for measurement of distortion on MIC channels
UPV Rohde & Schwarz audio analyzer
F (Hz)
1k
3.9933 k
10 k
XLR connectors
MIC1N MIC1Nint
EMIF06-AUD01F2
MIC1P MIC1Pint
Figure 24. Internal UPV setup schematic
1.5 V_PP
300 Ω
120 pF
MIC1N MIC1Nint
120 pF
EMIF06-AUD01F2
1.5 V_PP
120 pF
300 Ω
MIC1P
MIC1Pint
120 pF
100 kΩ
100 kΩ
To balanced
Input amplifier
To balanced
Input amplifier
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