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STLC5048

ELECTRICAL CHARACTERISTICS (continued)

(1) Values related to the application including the external filter on RX. The maesure is referred to the signal replicas.

(2) As note 3 at page 36

RECEIVE TRANSFER CHARACTERISTICS

(all tests are performed in absolute gain condition (RXG = GRXn = 0dB) unless otherwise specified).

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Absolute levels at 0 dBm0 are:

RXG = 0dB, GRXn = 0dB

547

mVrms

GRA

Transmit gain Absolute accuracy

-0.15

0.15

dB

GRAG

Receive Gain Variation with

programmed gain (within 3 dB from max

dig. level)

-0.2

0.2

dB

GFR

Gain variation with frequency (relative to

gain at 1004Hz); 0dBm0 input signal

Below 200Hz

200Hz

300-3000Hz

3400Hz

4000Hz

-0.25

-0.15

-0.7

0.115

0.15

0.15

0

-14

dB

GART

Gain variation with temperature

0 to 70 °C

-0.10

0.10

dB

GARE

Gain variation with

Vcc=Vdd= 3.3V +/- 5%

0dBm0 Input Signal

-0.05

0.05

dB

GTR

Gain Tracking with Tone (1004Hz Mu

Law, 820Hz ALaw)

DR = 3 to -40dBm0

DR = -40 to -50dBm0

DR = -50 to -55dBm0

-0.2

-0.4

-1.2

0.2

0.4

1.2

dB

QDR

Quantization Distortion with Tone

(1004Hz Mu Law, 820Hz ALaw)

DR = 3 dBm0

DR = 0 to -30dBm0

DR = -40 dBm0

DR = -50 to -55dBm0

33

36

30

15

dB

NCR

Receive Noise C Message Weighted

(Mu Law)

811

dBrnCo

NPR

Receive Noise Psophometric Weighted

(A Law)

-79

dBm0p

DAR

B = Z = 0, X = R = 1

325

450

µs

DPR1

Single Frequency Distortion

(0dBm0 Sinewave @ 1004Hz)

-46

dB

GSPR

Out of band spourious Noise

0dBm0 DTMF tone at DR

-60

dB

0dBm0 180 to 3600Hz

Sinewave at DR

-43

dB

OBN

Integral measure

from 3.4 to 128kHz

-48

-51

dBm

dBm

Spectral measure

from 3.4 to 200kHz

in B/W = 30Hz

-70

dBm