MSM6927 Ver la hoja de datos (PDF) - Oki Electric Industry

Número de pieza

componentes Descripción

Lista de partido

MSM6927

1200 bps Single Chip FSK MODEM

Oki Electric Industry 

¡ Semiconductor

MSM6927/6947

2. MSM6947

Transmit carrier out (AO)

Parameter

Carrier Frequency

Symbol

Mark

1

fM

Space

0

fS

Answer Tone Frequency

fA

Output Resistance

Load Resistance

Load Capacitance

Transmit Level

Output Offset Voltage

ROXA

RLXA

CLXA

VOXA

VOSX

Out-of-Band Energy

(Referred to Carrier Level)

EOX

(VA = 12 V ±10%, VD = 5 V ±5%, Ta = 0 to 70°C)

Condition

Min. Typ. Max. Unit

1190 1200 1210

fCRYSTAL = 3.579545 MHz 2190 2200

2210 Hz

ATE = "0"

2019 2025 2031

—

—

—

200 W

—

50

—

— kW

—

—

—

100 pF

—

4

6

8 *1 dBm

—

VA

2

–1

VA

2

VA

2

+1

V

C1 = 0.047 mF

Refer to Fig. 4

dB

Receive carrier input (AIN)

Parameter

Symbol

Input Resistance

RIRA

Receive Signal Level Range

VIRA

Carrier Detect Level

ON VCD ON

OFF VCD OFF

Carrier Detect Hysteresis

HYS

Condition

—

—

R8 = 33 kW *2

R9 = 51 kW

VCD ON – VCD OFF

Min.

100

–48

—

–48

0.5

Typ.

—

—

—

—

—

Max. Unit

— kW

–6

–43 *1 dBm

—

—

dB

Receive Filter

Parameter

Group Delay Distortion

Symbol

DDL

Condition

1100 to 2300 Hz

Notes: *1 0 dBm = 0.775 Vrms

*2 The resistor values are typical

Min.

—

Typ.

210

Max. Unit

—

ms

15/31

Share Link: