MSM6948V 查看數據表（PDF） - Oki Electric Industry

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MSM6948V

1200 bps Single Chip MSK Modem

Oki Electric Industry 

¡ Semiconductor

MSM6948/6948V

ELECTRICAL CHARACTERISTICS

DC and Digital Interface Characteristics

Parameter

Power Supply Current

Oscilating Frequency

Input Leakage Current *1

Input Voltage *1

Output Voltage *2

Output Voltage *3

Symbol

IDD

fMCK

IIL

IIH

VIL

VIH

VOL1

VOH1

VOL2

VOH2

Condition

Normal Operating Mode

fX'TAL = 3.6864 MHz ±0.01%

VIN = 0 V

VIN = VDD

—

—

IOL = 1.6 mA

IOH = 400 mA

RL > 50 kW

CL < 20 pF

(VDD = 5 V ±5%, Ta = –25°C to 70°C)

Min. Typ. Max. Unit

—

3

6

mA

3.6857 3.6864 3.6871 MHz

–10

—

–10

—

10

mA

10

0

—

0.8

2.2

—

VDD

0

—

0.8VDD

—

0.4

V

VDD

0

—

0.4

0.6VDD

—

VDD

*1 ME, SD, CF, CT, FT

*2 ST, RD, RT

*3 MCK (NC : MSM6948V)

Analog Interface Characteristics

Transmit signal output (AO)

Parameter

Carrier Frequency

Symbol

fM

fS

Carrier Level

VOX

Output Resistance

ROX

Output Load Resistance

RLX

Output Load Capacitance

CLX

Output DC Voltage

VOSX

Condition

SD = "1"

SD = "0"

RL ≥ 100 kW

CL £ 40 pF

FT = "1"

ME = "1"

FT = "1"

ME = "1"

fAO £ 4 kHz

—

—

—

Note 0 dBm = 0.775 Vrms

(VDD = 5.0 V ±5%, Ta = –25°C to 70°C)

Min. Typ. Max. Unit

1199 1200 1201

Hz

1799 1800 1801

–2

0

+2 dBm

—

—

100

—

1

kW

—

—

—

40

pF

VDD

2

– 0.1

VDD

2

VDD

2

+ 0.1

V

8/13

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