MSM6895 データシートの表示（PDF） - Oki Electric Industry

部品番号

コンポーネント説明

メーカー

MSM6895

Multi-Function PCM CODEC

Oki Electric Industry 

¡ Semiconductor

MSM6895/6896

AC Characteristics 2 (Transmit Path)

Parameter

Pre-Amp Gain

Transmit Path 1 Gain

Transmit Path 2 Gain

Transmit Addition Signal 1 Gain

Transmit Addition Signal 2 Gain

Symbol

GTPA

GTPB1

GTPB2

GTMX1

GTMX2

Freq.

(Hz)

1020

1020

1020

VPBT1 —

In-Channel PB Signal Output Level

VPBT2 —

(VDD = 5 V ±5%, Ta = –10°C to +70°C)

Level

(dBV)

Condition Min. Typ. Max. Unit

–24.4 TPAI-TPAO

18.0 20.0 22.0 dB

TPBI-T1O

–22.1

TPBI-T2O

15.7 17.7 19.7 dB

15.7 17.7 19.7 dB

TMX1I-T1O

–4.4

TMX1I-T2O

–2.0 0.0 +2.0 dB

–2.0 0.0 +2.0 dB

Set at

— T1O

–17.4 –15.4 –13.4 dBV

typical gain

Set at

— T2O

–17.4 –15.4 –13.4 dBV

typical gain

In-Channel PB Signal Output

Level Setting

GPBT1

—

GPBT2

For

– 3 dB –5.0 –3.0 –1.0 dB

— typical

setting – 6 dB –8.0 –6.0 –4.0 dB

In-Channel PB Signal

Frequency Deviation

DfPBT —

In-Channel PB Signal Distortion THDPBT —

— T1O, T2O

–0.9 — +0.9 %

— In-Band Distortion — –35 –30 dB

Hold Tone Path Gain

GPAT1

MLDYI-T1O Set at –4.0 –2.0 0.0

1020 –22.4

typical

dB

GPAT2

MLDYI-T2O gain –4.0 –2.0 0.0

Hold Tone Path Gain Setting

RG1 PAT

RG2 PAT

1020

For

–3 dB –5.0 –3.0 –1.0 dB

–22.4 typical

setting –6 dB –8.0 –6.0 –4.0 dB

Idle Channel Noise

Ni TPA —

Ni TPB —

TPAI: 510 W at termination

—

— –93 — dBV

Meature at TPAO*6

— T1O, T2O *6 — –91 — dBV

Maximum Output Voltage Swing VOT —

TPAO, T1O,

—

2.4

T2O, RL = 20 kW

—

— VPP

Note: *6 Noise band width: 0.3 kHz to 3.4 kHz, non-weighted

19/43

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