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BU8332CKV-M Fiches technique(PDF) 7 Page - Rohm

No de pièce BU8332CKV-M
Description  Directional Microphone Function
Download  29 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
Logo ROHM - Rohm

BU8332CKV-M Fiches technique(HTML) 7 Page - Rohm

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BU8332CKV-M
TSZ02201-0V1V0C104570-1-2
© 2014 ROHM Co., Ltd. All rights reserved.
2014.10.31 Rev.002
www.rohm.co.jp
TSZ22111・15・001
CODEC Characteristics
Application Circuit (Figure 33), Ta=25℃, AVDD=3.3V, PLLVDD=3.3V, REGON=”H”, BF=OFF
FS=16 kHz, MIC1VOL/MIC2VOL/LOUTVOL=0dB unless otherwise specified.
Parameter
Symbol
Limits
Unit
Conditions
Min
Typ
Max
Transmit signal-to-distortion
ratio + Noise
MICIN → PCMOUT
SDT
45
-
-
dB
Input signal:0dBm0, 1020Hz
Using filter:20kHz LPF
Receive signal-to-distortion
ratio + Noise
PCMIN → LINEOUT
SDR
45
-
-
dB
Input signal:0dBm0, 1020Hz
Using filter:20kHz LPF
Transmit gain tracking
(-10dBm0 reference)
MICIN → PCMOUT
GTX
-3.0
-
3.0
dB
Input signal:+3.0 to +0.5dBm0,
1020Hz
Using filter:1020Hz BPF
-1.0
-
1.0
Input signal:+0.5 to -40dBm0,
1020Hz
Using filter:1020Hz BPF
-2.0
-
2.0
Input signal:-40 to -55dBm0,
1020Hz
Using filter:1020Hz BPF
Receive gain tracking
(-10dBm0 reference)
PCMIN → LINEOUT
GRX
-1.0
-
1.0
dB
Input signal:+3.0 to -40dBm0,
1020Hz
Using filter:1020Hz BPF
-2.0
-
2.0
Input signal:-40 to -55dBm0,
1020Hz
Using filter:1020Hz BPF
Transmit reference level
VITX
0.037
0.050
0.068
Vrms
Input signal:0dBm0, 1020Hz
Using filter:1020Hz BPF
20dB amplification in inside
Receive reference level
VORX
0.400
0.500
0.625
Vrms
Input signal:0dBm0, 1020Hz
Using filter:1020Hz BPF
Transmit gain loss relative to
frequency
(1020Hz reference)
MICIN → PCMOUT
GRTX
24
-
-
dB
Input signal:0dBm0, 0.06kHz
Using filter:BPF
0
-
2.5
Input signal:0dBm0, 0.2kHz
Using filter:BPF
-1.0
-
1.0
Input signal:0dBm0, 0.3 to 6.8kHz
Using filter:BPF
0
-
-
Input signal:0dBm0, 7.2kHz
Using filter:BPF
6.5
-
-
Input signal:0dBm0, 7.56kHz
Using filter:BPF
Receive gain loss relative to
frequency
(1020Hz reference)
PCMIN → LINEOUT
GRRX
24
-
-
dB
Input signal:0dBm0, 0.06kHz
Using filter:BPF
0
-
2.5
Input signal:0dBm0, 0.2kHz
Using filter:BPF
-1.0
-
1.0
Input signal:0dBm0, 0.3 to 6.8kHz
Using filter:BPF
0
-
-
Input signal:0dBm0, 7.2kHz
Using filter:BPF
6.5
-
-
Input signal:0dBm0, 7.56kHz
Using filter:BPF
Transmit noise level
VNTX
-
-
-73
dBFS
COMOUT input in MICIN
Using filter:A-Weight
Receive noise level
VNRX
-
-
-85
dBV
PCMIN=“L” fixation
Using filter:A-Weight


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