STLC5046 datasheet(24/27 Pages) STMICROELECTRONICS

24 / 27 page

TRANSMISSION CHARACTERISTICS

TRANSMISSION TRANSFER CHARACTERISTICS

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Absolute levels (see Table 19)

The nominal 0dBm0 levels are:

TXG = 0dB, GTXn = 0dB (FF)

137

mVrms

GXA

Transmit gain Absolute accuracy

-0.15

0.15

GXAG

Transmit gain variation with

programmed gain (within 3dB

from max. dig. level)

-0.2

+0.2

GFX

Gain variation with frequency

(relative to gain at 1004Hz);

0dBm0 input signal

50Hz

60Hz

200Hz

300-3000Hz

3400Hz

4000Hz

4600Hz and above

-1.8

-0.15

-0.7

-20

0.15

-14.0

-32.0

GAXT

Gain variation with temperature

-0.10

0.10

GAXE

Gain variation with Supplies

±5% 0dBm0 Input Signal

-0.05

0.05

GTX

Gain Tracking with Tone

(1004Hz

µ Law, 820Hz ALaw)

GSX = 3 to -40dBm0

GSX = -40 to -50dBm0

GSX = -50 to -55dBm0

-0.2

-0.4

-1.2

0.2

0.4

1.2

QDX

Quantization Distortion with

Tone (1004Hz

µ Law, 820Hz

ALaw)

VFXI = +3dbm0

VFXI = 0 to -30dBm0

VFXI = -40dBm0

VFXI = -45dBm0

NCT

Transmit Noise C Message

Weighted (

µ Law)

dBrnCo

NPT

Transmit Noise Psophometric

Weighted (A Law)

-68

dBm0p

DDX

(1)

Differential Envelope Delay (1

to 2.56KHz Input Sinewave @

0dBm0)

500Hz

604Hz

1000Hz

1792Hz

2604Hz

2792Hz

170

110

µs

DAX

(1)

Absolute Delay @ 1KHz

500 to 2800Hz

420

µs

DPXM

Single Frequency Distortion

(Mu Law 0dBm0 Sinewave @

1004Hz)

-46

DPXA

Single Frequency Distortion

(ALaw 0dBm0Sinewave @ 820Hz)

-46

RECEIVE TRANSFER CHARACTERISTICS

Absolute levels

The nominal 0dBm) levels are

VFRO:

RGX = 0dB, GRXn = 0db (FF)

547

mVrms

GRA

Transmit gain Absolute accuracy

(within 3dB from max. dig. level)

-0.15

0.15

(1) Typical value not tested in production.

STLC5046

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