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DA7400 Arkusz danych(PDF) 21 Page - Renesas Technology Corp

Numer części DA7400
Szczegółowy opis  High Performance Stereo Codec
PDF  133 Pages
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Producent  RENESAS [Renesas Technology Corp]
Strona internetowa  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

DA7400 Arkusz danych(HTML) 21 Page - Renesas Technology Corp

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DA7400
High Performance Stereo Codec
Final
Datasheet
Revision 3.1
28-Dec-2021
CFR0011-120-00
21 of 132
© 2021 Renesas Electronics
4.3.4
Microphone Bias Characteristics
Table 11: Microphone Bias
Parameter
Description
Conditions
Min
Typ
Max
Unit
External Electrical Conditions
ILD
Load current
2
mA
Electrical Performance
VMICBIAS
Output voltage
Programmable in eight steps
(1.2, 1.4, 1.6, 1.8, 2.16, 2.4,
2.7, 2.98) V
1.2
3
V
VN_OUT
Noise voltage at the output
RMS
VDDMB = 3.3 V
VMICBIAS = 2.2 V
5
μV
IVDDMB
Supply current
VDDMB = 3.3 V
No load
300
μA
PSRR217Hz
Power supply rejection ratio
At 217 Hz
VMICBIAS = 2.2 V
Load = 2 mA
75
dB
PSRR1kHz
Power supply rejection ratio
At 1 kHz
VMICBIAS = 2.2 V
Load = 2 mA
75
dB
PSRR20kHz
Power supply rejection ratio
At 20 kHz
VMICBIAS = 2.2 V
Load = 2 mA
60
dB
4.3.5
Output Path Characteristics
Table 12: Output Path
Parameter
Description
Conditions
Min
Typ
Max
Unit
External Electrical Conditions
RHP_LD
Headphone output load
resistance, per output
12
32
Ω
Electrical Performance
VOUT
Full-scale differential HP
output signal level
Peak-to-peak
2.88
V
VOUT_OFS
Output dc offset
-140
0
140
μV
VN_OUT_24dB
Output noise
RMS
HPPGA gain ≤ -24 dB
Input < -60 dBFS
Non-A-weighted
RHP_LD = 32
Ω to ∞ Ω
1.6
μV



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