ST5080D View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST5080D

PIAFE PROGRAMMABLE ISDN AUDIO FRONT END

STMicroelectronics 

ST5080A

DISTORTION

Symbol

STDx

STDr

Parameter

Signal to Total Distortion

SDFx

SDFr

IMD

Single Frequency Distortion

transmit

Single Frequency Distortion

receive

Intermodulation

Test Condition

Sinusoidal Test Methode

(measured using C message

weighting Filter)

Level = 0 dBm0 to - 20 dBm0

Level = - 20 to -30 dBm0

Level = - 40 dBm0

Level = - 45 dBm0

0 dBm0 input signal

Min. Typ. Max. Unit

37

dBC

36

dBC

29

dBC

24

dBC

-46

dB

0 dBm0 input signal

-46

dB

Loop-around measurament

Voltage at VMIC = -4 dBm0

to -21 dBm0, 2 Frequencies in

the range 300 - 3400 Hz

-41

dB

CROSSTALK

Symbol

CTx-r

Parameter

Transmit to Receive

CTr-x

Receive to Transmit

Test Condition

Transmit Level = 0 dBm0,

f = 300 - 3400 Hz

DR = QuietPCM Code

Receive Level = 0 dBm0,

f = 300 - 3400 Hz

VMIC = 0V

APPLICATION NOTE FOR MICROPHONE CONNECTIONS

Min. Typ. Max. Unit

-65

dB

-65

dB

The 4 connection modes (since the MIXED MODE is symmetrical with respect to MIC1 and MIC2) allow

one microphone at a time to be selected via the VS bit (bit 7 of Control Register CR4).

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