MSM7590L-01 데이터 시트보기 (PDF) - Oki Electric Industry

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MSM7590L-01

Multi-Function ADPCM CODEC

Oki Electric Industry 

¡ Semiconductor

MSM7590L-01

Receive Analog Interface Characteristics

(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)

Parameter

Symbol

Condition

Min. Typ. Max. Unit

Input Resistance

RINPW PWI

10

—

— MW

Output Load Resistance

RLVF VFRO

20

—

—

kW

RLAO AOUT+, AOUT–, SAO+, SAO–

1.2

—

—

kW

Output Capacitance

CLVF VFRO

—

CLAO AOUT+, AOUT–, SAO+, SAO–

—

—

100 pF

—

100 pF

Output Voltage Level

VOVF VFRO, RL = 20 kW

—

AOUT+, RL = 1.2 kW

—

VOAO

AOUT–,

SAO+,

ZL = 350 W

—

SAO–

+ 120 nF(See Fig.1)

—

*1.30 VPP

—

*1.30 VPP

—

*1.30 VPP

VOFVF VFRO

–100

—

+100 mV

Offset Voltage

AOUT+, AOUT– (GAIN = 0 dB,

VOFAO Power amp only) SAO+, SAO–

–20

—

+20 mV

Open Loop Gain

Power amp (0.3 to 3.4 kHz,

GDB ZL = 350 W + 120 nF)(See Fig.1) 40

—

—

dB

* –7.7 dBm (600 W) = 0 dBm0, + 3.14 dBm0 = 1.30 VPP (A-law)

–7.7 dBm (600 W) = 0 dBm0, + 3.17 dBm0 = 1.30 VPP (m-law)

12/26

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