MB86434 Datasheet, PDF (31/38 Pages) Fujitsu Component Limited. – 5V Single Power Supply Audio Interface Unit (AIU)

MB86434
3. Transmission Characteristics
(1) Microphone Amp System
Parameter
Symbol
Conditions
Gain
(between MIC0 and BBO)
MICO = –20 dBV, 1020 Hz
GMB SW3 = on, CSW4 = SW5 = SW14 = off
EV 0 = 0 dB
Gain
(between JMIC0 and BBO)
JMICO = –20 dBV, 1020 Hz
GJB SW4 = on, SW3 = SW5 = SW14 = off
EV 0 = 0 dB
Signal to noise ratio
(between MIC and BBO)
(between XMIC and BBO)
Ain1 = –40 dBV ( +20 dBgain)
SMB SW3 = on, SW4 = SW5 = SW14 = off
EV0 = 0 dB, 1020 Hz C message
Signal to noise ratio
Ain2 = –40 dBV ( +20 dBgain)
(between JMIC and BBO)
SJB SW4 = on, SW3 = SW5 = SW14 = off
(between XJMIC and BBO)
EV0 = 0 dB, 1020 Hz C message
Note: Measurement conditions: s Standard Test Circuit
Value
Unit
Min. Typ. Max.
–1.5 — 1.5 dB
–1.5 — 1.5 dB
40
—
— dB
40
—
— dB
(2) Speaker Amp System
Parameter
Symbol
Conditions
Gain
(between EAR and XEAR)
Gain
(between BBI and JEAR)
Gain
(between BBI and RAUD)
Output power
GBE BBI = –20 dBV, 1020 Hz
GBJ BBI = –20 dBV, 1020 Hz, ATT = 0 dB
GBJ6 BBI = –20 dBV, 1020 Hz, ATT = – 6 dB
GBR
BBI = –20 dBV, 1020 Hz
SW8 = on, SW6 = SW7 = SW12 = off
WE
R = 32 Ω, between EAR-XEAR
THD = 10%
WT
R = 25 Ω, between TONE-XTONE
gain = 0 dB, THD = 10%
WJ
R = 32 Ω, JEAR, ATT = –2.5 dB
THD = 10%
Note: Measurement conditions: s Standard Test Circuit
Value
Unit
Min. Typ. Max.
— 6.0 — dB
— 0.0 — dB
— –6.0 — dB
— 0.0 — dB
10.0 —
— mW
200.0 —
— mW
5.0 —
— mW
(3) TONE System
Parameter
Symbol
Conditions
TONE output level
(TONE0)
GT1
1 tone generated, SW2 = on
f1 = 948.1 kHz
GT2
2 tone generated, SW2 = on
f1 = 948.1 kHz, f2 = 1219.1 kHz
Note: Measurement conditions: s Standard Test Circuit
Value
Unit
Min. Typ. Max.
— –10.0 — dBV
— –10.0 — dBV
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