MB86437 Datasheet, PDF (30/35 Pages) Fujitsu Component Limited. – 3 V Single Power Supply Audio Interface Unit (AIU)

MB86437
(5) Codec
Parameter
Symbol
Conditions
Value
Unit
Min. Typ. Max.
Gain tracking
(A to D)
BTPO → DOUT
GTX
1020 Hz, –10 dBm0
Reference value
(µ-law)
+3 to –40 dBm0 –0.3 —
–40 to –50 dBm0 –0.5 —
–50 to –55 dBm0 –1.0 —
0.3 dB
0.5 dB
1.0 dB
Gain tracking
(D to A)
DIN → PTBO
GTR
1020 Hz, –10 dBm0
Reference value
(µ-law)
EV1 = EV2 = 0 dB
+3 to –40 dBm0 –0.3 —
–40 to –50 dBm0 –0.5 —
–50 to –55 dBm0 –1.0 —
0.3 dB
0.5 dB
1.0 dB
Gain tracking
(A to D) (Linear)
BTPO → DOUT
AFST to AFST–43 dB –0.3 —
GTXL
1020 Hz, AFST–13 dB
Reference value
AFST–43 to AFST–53 dB
–0.5
—
AFST–53 to AFST–58 dB –1.0 —
0.3 dB
0.5 dB
1.0 dB
Gain tracking
(D to A) (Linear)
DIN → PTBO
1020 Hz, AFSR–13 dB
AFSR to AFSR–43 dB –0.3
—
GTRL Reference value
AFSR–43 to AFSR–53 dB –0.5 —
EV1 = EV2 = 0 dB
AFSR–53 to AFSR–58 dB –1.0 —
0.3 dB
0.5 dB
1.0 dB
0 to 60 Hz 24.0 —
— dB
Transmitting
frequency
characteristics
(A to D)
BTPO → DOUT
FRX
0 dBm0
1020 Hz
Reference value
60 to 300 Hz –0.20 —
300 to 3000 Hz –0.20 —
3000 to 3400 Hz –0.20 —
3400 to 4600 Hz *
—
— dB
0.20 dB
0.8 dB
— dB
4600 to 12 kHz 32.0 —
— dB
0 to 300 Hz –0.30 —
— dB
Receiving frequency
characteristics
(D to A)
DIN → PTBO
FRR
0 dBm0
1020 Hz
Reference value
EV1 = EV2 = 0 dB
300 to 3000 Hz –0.30 —
3000 to 3400 Hz –0.30 —
3400 to 4600 Hz *
—
0.30 dB
1.10 dB
— dB
4600 to 12 kHz 32.0 —
— dB
Transmitting absolute
gain
(A to D)
GAX
BTPO → DOUT
1020 Hz, 0 dBm0 (Linear: AFST–3 dB)
VS = 3.0 V, Ta = +25°C
–1.0 0
1.0 dB
Receiving absolute
gain
(D to A)
DIN → PTBO
GAR
1020 Hz, 0 dBm0 (Linear: AFSR–3 dB)
EV1 = EV2 = 0 dB, VS = 3.0 V, Ta = +25°C
–1.20 0 1.20 dB
*: 14.5 × {1 – Sin ^{π (4000 – f)} }
1200
(Continued)
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