ML7041 Просмотр технического описания (PDF) - Oki Electric Industry

Номер в каталоге

Компоненты Описание

производитель

ML7041

Audio CODEC

Oki Electric Industry 

OKI Semiconductor

FEDL7041-04

ML7041

AC Characteristics (DTMF and Other Tones)

(VDD = 2.4 to 3.3 V, Ta = –40 to +85°C)

Parameter

Symbol

Condition

Min. Typ. Max. Unit

Frequency Difference

DFT DTMF Tones, Other Tones

–1.5

— +1.5 %

VTL

Transmit tones DTMF (Low) and

(gain setting of Other Tones

–18

Original (reference) Tones Signal VTH

0 dB)

DTMF (High)

–16

Level *5

VRL Receive tones DTMF (Low)

–4

VRH

(gain setting of DTMF (High) and

–6 dB) Other Tones

–2

–16 –14 dBm0

–14 –12 dBm0

–2

0 dBm0

0

+2 dBm0

Relative Level of DTMF Tones RDTMF VTH/VTL, VRH/VRL

+1

+2

+3 dB

*5 Not including programmable gain set values

AC Characteristics (Programmable Gain Stages)

(VDD = 2.4 to 3.3 V, Ta = –40 to +85°C)

Parameter

Symbol

Condition

Min. Typ. Max. Unit

Gain Accuracy

DG

All gain stages, to programmed

value

–1

0

+1

dB

AC Characteristics (Voice Detect Function)

Parameter

Symbol

Condition

(VDD = 2.4 to 3.3 V, Ta = –40 to +85°C)

Min. Typ. Max. Unit

Voice Detection Time

Voice Detection Accuracy

TVON

Silence → Voice

—

5

—

ms

TVOF (Voice/silence differential: 10 dB) 140

160

180 ms

For detection level set values by

DVX

CR6-B6

–2.5

0

2.5

dB

15/28

Share Link: