ST5080D View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST5080D

PIAFE PROGRAMMABLE ISDN AUDIO FRONT END

STMicroelectronics 

ST5080A

TRANSMISSION CHARACTERISTICS (continued)

AMPLITUDE RESPONSE (Maximum, Nominal, and Minimum Levels)

Receive path - Absolute levels at VFR (Differentially measured)

0 dBM0 level

Parameter

0 dBM0 level

Test Condition

Receive Amp programmed for

0dB gain

Receive Amp programmed for

- 15dB attenuation

Min.

Typ.

824.5

Max. Unit

mVRMS

146.6

mVRMS

AMPLITUDE RESPONSE (Maximum, Nominal, and Minimum Levels)

Receive path - Absolute levels at LS (Differentially measured)

0 dBM0 level

Parameter

0 dBM0 level

Test Condition

Receive Amp programmed for

0dB gain

Receive Amp programmed for

- 30dB gain

Min.

Typ.

1.384

Max.

Unit

VRMS

43.7

mVRMS

AMPLITUDE RESPONSE

Transmit path

Symbol

GXA

Parameter

Transmit Gain Absolute

Accuracy

GXAG

Transmit Gain Variation with

programmed gain

GXAT

GXAV

GXAF

Transmit Gain Variation with

temperature

Transmit Gain Variation with

supply

Transmit Gain Variation with

frequency

Test Condition

Min. Typ. Max. Unit

Transmit Gain Programmed for

maximum.

Measure deviation of Digital

PCM Code from ideal 0dBm0

PCM code at DX

-0.30

0.30 dB

Measure Transmit Gain over

-0.5

the range from Maximum to

minimum setting.

Calculate the deviation from

the programmed gain relative

to GXA,

i.e. GAXG = G actual - G prog. - GXA

0.5

dB

Measured relative to GXA.

-0.1

min. gain < GX < Max. gain

0.1

dB

Measured relative to GXA

-0.1

GX = Maximum gain

0.1

dB

Relative to 1015,625 Hz,

multitone test technique used.

min. gain < GX < Max. gain

GXAL

Transmit Gain Variation with

signal level

f = 60 Hz

f = 200 Hz

f = 300 Hz to 3000 Hz

f = 3400 Hz

f = 4000 Hz

f = 4600 Hz (*)

f = 5000 Hz to 6000 Hz

f = 8000 Hz (*)

f > 8000 Hz

Sinusoidal Test method.

Reference Level = -10 dBm0

VMIC = -40 dBm0 to +3 dBm0

VMIC = -50 dBm0 to -40 dBm0

VMIC = -55 dBm0 to -50 dBm0

-1.5

-0.3

-0.8

-0.25

-0.5

-1.2

-26

dB

-0.1 dB

0.3

dB

0.0

dB

-14

dB

-35

dB

-40

dB

-47

dB

-40

dB

0.25 dB

0.5

dB

1.2

dB

(*) The limit at frequencies between 4600Hz and 8000Hz lies on a stright line connecting the two frequencies on a linear (dB) scale versus log

(Hz) scale.

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