MSM7602 データシートの表示（PDF） - Oki Electric Industry

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MSM7602

Echo Canceler

Oki Electric Industry 

¡ Semiconductor

MSM7602

Parameter

Symbol

Condition

(VDD = 4.5 V to 5.5 V, Ta = –40˚C to +85˚C)

Min. Typ. Max. Unit

High Level Output Voltage

Low Level Output Voltage

High Level Input Current

VOH IOH = 40 mA

VOL IOL = 1.6 mA

IIH

VIH = VDD

MS with pull-down

4.2

—

VDD

V

0

—

0.4

V

—

0.1

10 mA

10

100

200 mA

Low Level Input Current

IIL

VIL = VSS

SF1, SF2 with pull-up

–10

–0.1

–100 –50

— mA

–10 mA

High Level Output Leakage Current IOZH VOH = VDD

—

0.1

10 mA

PD15 to PD0

–100

–50

–10 mA

Low Level Output Leakage Current IOZL VOL = VSS

with pull-up

Input other than

–10

–0.1

—

mA

the above

Power Supply Current (Operating) IDDO

—

Input Capacitance

IDDS PWDWN = "L"

—

30

45 mA

—

10

50

mA

Input Capacitance

CI

—

—

—

15

pF

Output Load Capacitance

CLOAD

—

—

—

20

pF

Echo Canceler Characteristics (Refer to Characteristics Diagram)

Parameter

Echo Attenuation

Cancelable Echo Delay Time for a

Single Chip or a Master Chip in a

Cascade

Cancelable Echo Delay Time for a

Slave Chip in a Cascade

Symbol

Condition

RIN = –10 dBm0

(5 kHz band white noise)

E. R. L. (echo return loss)

LRES

= 6 dB

TD = 20 ms

ATT, GC, NLP: OFF

TD

RIN = –10 dBm0

(5 kHz band white noise)

E. R. L. = 6 dB

TDS ATT, GC, NLP: OFF

Min. Typ.

—

30

—

—

—

—

Max. Unit

—

dB

23 ms

31 ms

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