MSM7540 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

View to exact match

MSM7540

Single Rail ADPCM CODEC

Oki Electric Industry 

¡ Semiconductor

MSM7540/7560

Receive Analog Interface Characteristics

Parameter

Input Resistance

Output Load Resistance

Output Capacitance

Output Voltage Level

Offset Voltage

Open Loop Gain

Symbol

Condition

RINPW

RLVF

RLAO

CLVF

CLAO

VOVF

VOAO

PWI

VFRO

AOUT+, AOUT–

VFRO

AOUT+, AOUT–

VFRO

RL = 50 kW

AOUT+,

AOUT–

RL = 1.2 kW

ZL = 350 W

+ 120 nF(See Fig.1)

VOFVF

VOFAO

VFRO

AOUT+, AOUT– (GAIN = 0 dB),

Power amp only

Power amp (0.3 to 3.4 kHz,

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

Min.

10

50

1.2

—

—

—

—

—

–100

–20

40

* –3 dBm (600 W) = 0 dBm0, + 3.14 dBm0 = 2.226 VPP (MSM7540)

–3 dBm (600 W) = 0 dBm0, + 3.17 dBm0 = 2.226 VPP (MSM7560)

Typ.

—

—

—

—

—

—

—

—

—

—

Max. Unit

— MW

—

kW

—

kW

100 pF

100 pF

*2.226 VPP

*2.226 VPP

*2.226 VPP

+100 mV

+20 mV

—

—

dB

10/15

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