STLC3075_09 datasheet(26/36 Pages) STMICROELECTRONICS

26 / 36 page

Electrical characteristics

STLC3075

26/36

THL

Trans-hybrid loss

300 to 3400 Hz

20Log|VRX/VTX|

Active N. P., RL = 600 Ω (*)

Ovl

2W overload level

At line terminals on ref. imped.

Active N. P., RL = 600 Ω (*)

3.2

dBm

TXoff

TX output offset

Active N. P., RL = 600 Ω (*)

-250

250

G24

Transmit gain abs.

0 dBm @ 1020 Hz

Active N. P., RL = 600 Ω (*)

-6.4

-5.6

G42

Receive gain abs.

0 dBm @ 1020 Hz

Active N. P., RL = 600Ω (*)

-0.4

0.4

G24f

TX gain variation vs. frequency

Rel. 1020 Hz; 0 dBm

300 to 3400 Hz

Active N. P., RL = 600 Ω (*)

-0.12

0.12

G24f

RX gain variation vs. freq.

Rel. 1020 Hz; 0dBm

300 to 3400 Hz

Active N. P., RL = 600 Ω (*)

-0.12

0.12

V2Wp

Idle channel noise at line 0dB gain

set

Psophometric filtered

Active N. P., RL = 600 Ω (*)

Tamb = 0 to +85 °C

-73

-68

dBmp

V2Wp

Idle channel noise at line 0dB gain

set

Psophometric filtered

Active N. P., RL = 600 Ω (*)

Tamb = -40 to +85 °C

-68

dBmp

V4Wp

Idle channel noise at line 0dB gain

set

Psophometric filtered

Active N. P., RL = 600 Ω (*)

Tamb = 0 to +85 °C

-75

-70

dBmp

V4Wp

Idle channel noise at line 0dB gain

set

Psophometric filtered

Active N. P., RL = 600 Ω (*)

Tamb = -40 to +85 °C

-75

dBmp

Thd

Total harmonic distortion

Active N. P., RL = 600 Ω (*)

-44

VTTX

Metering pulse level on line

Active - TTX; Gain Set = 1

Zl = 200

Ω fttx = 12 kHz

260

340

mVr

CLKfreq

CLK operating range

-10%

125

10%

kHz

(*) RL: Line resistance

Ring

Vring

Line voltage

RING D2 toggling @ fr = 25 Hz

Load = 3REN

Crest Factor = 1.25

1REN = 1800

Ω + 1.0 µF

Tamb = 0 to +85 °C

Vrms

Table 17.

Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

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