MSM7575GS-BK Ver la hoja de datos (PDF) - Oki Electric Industry

Número de pieza

componentes Descripción

Lista de partido

MSM7575GS-BK

Multi-Function PCM CODEC

Oki Electric Industry 

¡ Semiconductor

MSM7575

AC Characteristics (DTMF and Other Tones)

Parameter

Frequency Difference

Original (reference)

Tone Signal Level

*6

Relative Level of

DTMF Tones

Symbol

Condition

DFT1 DTMF Tones

DFT2 Other Tones

VTL

DTMF (Low)

Transmit DTMF (High)

VTH Tones

and Other Tones

VRL

Receive

VRH Tones

DTMF (Low)

DTMF (High)

and Other Tones

RDTMF VTH/VTL, VRH/VRL

(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)

Min. Typ. Max. Unit

–7

—

+7

Hz

–7

—

+7

Hz

–18

–16

–14 dBm0

–16

–14

–12 dBm0

–4

–2

0 dBm0

–2

0

+2 dBm0

+1

+2

+3 dBm0

*6 Not contain the setting value of the programmable gain

AC Characteristics (Programmable Gain Stages)

Parameter

Symbol

Condition

(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)

Min. Typ. Max. Unit

Gain Accuracy

DG All gain stages, to programmed value –1

0

+1

dB

AC Characteristics (VOX Function)

Parameter

Symbol

Condition

Transmit VOX Detect Time tVXON OFF Æ ON

VOXO,

(Voice signal ON/OFF detect time) tVXOF ON Æ OFF

Fig.4

Transmit VOX Detect Level

Accuracy

(Threshold Level)

To the setting of detect level

DVX

by CR6-B6, B5.

(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)

Min. Typ. Max. Unit

—

5

—

ms

150/310 160/320 170/330 ms

–2.5

0

+2.5 dB

15/25

Share Link: