MSM7557 데이터 시트보기 (PDF) - Oki Electric Industry

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MSM7557

Single Chip MSK Modem with Compandor for Cordless Telephone

Oki Electric Industry 

¡ Semiconductor

MSM7557

Common Characteristics

Parameter

Input Resistance

Output Resistance

Output Load Resistance

Symbol

RIA

RIC

ROX1

ROX2

ROX3

RXL1

RXL2

VSG

Output DC Voltage

VAO

DYN = "0" : VDD = 2.7 V to 5.5 V, Ta = –30°C to 70°C

DYN = "1" : VDD = 4.5 V to 5.5 V, Ta = –30°C to 70°C

Condition

Min. Typ. Max. Unit

TVI, RAI, VR2

—

10

—

MW

LIM

—

200

—

kW

TAO

—

1750

—

VR1, VR3, RVO

—

600

—

W

TVIO, RAIO

—

100

—

S/D ≥ 20 dB

*1

40

—

—

kW

TVIO

60

—

—

SG

TAO, RVO

VDD – 0.1 VDD VDD + 0.1

2

2

2

V

VDD – 0.15 VDD VDD + 0.15

2

2

2

*1 VR1, VR3, TAO, RVO, RAIO

Digital Timing Characteristics

Parameter

Symbol

Transmit Data

tS

Set-up Time

Transmit Data

Hold Time

tH

Receive Data

tD

Output Delay

Sync-signal

tMS

Output Delay (MEÆST)

Condition

DYN = "0" : VDD = 2.7 V to 5.5 V, Ta = –30°C to 70°C

DYN = "1" : VDD = 4.5 V to 5.5 V, Ta = –30°C to 70°C

Min.

Typ. Max. Unit

Refer to Fig. 1

1

—

—

ms

1

—

—

Refer to Fig. 1

–300

—

300

ns

Refer to Fig. 1

0

—

834

ms

15/25

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