SL5021 datasheet(3/6 Pages) AUK

3 / 6 page

KSI-W010-000

PIN Description (continued)

Pin No.

Symbol

Description

SRAB

Current stabilizer

Ground

RXI

Rx input

DTMF

DTMF signal input

MUTE

'H' Mute input

Internal power supply pin

REG

Voltage regulator decoupling

AGC

Automation gain control input

SLPE

Slope(DC resistance) adjustment

Electrical Characteristics

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

ILine = 1mA

ILine = 4mA

1.6

1.9

ILine = 15mA

3.55

4.25

ILine = 100mA

4.9

5.7

6.5

Line Voltage

ILine = 140mA

7.5

Variation with

Temperature

△

L/△T

ILine = 15mA

(-)0.3

mV/k

ILine = 15mA

VA(REG to SLPE) = 39k

4.5

Voltage drop over

circuit between

L & VEE with external

resistor R

ILine = 15mA

VA(V L to REG) = 68k

3.5

Ip=1.2mA

2.2

2.7

Supply Voltage

Mute=High

Ip=0mA

3.4

Between MIC- & MIC+

MIC input impedance

Zi(mic)

MIC- or MIC+ to V-

kΩ

Common mode

Rejection Ratio

CMRR(T

TX Gain

Gv(T

R7=68K, Vin=3mVrms

50.5

53.5

TX Gain frequency

Response

△

TXF

f=300 ~ 3400Hz

± 0.2

DTMF input impedance

I(MF)

20.7

kΩ

SL5021/P

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