Note: All measurements are performed with 100pF on outputs pin and with TTL compatible voltage levels.

RS 2.5K

Ω

ZAC

12.5K

Ω

ZA

15K

Ω

ZB

15K

Ω

CCOMP

220pF

TX

RS

ZAC

ZB

TX

CONTROL

INTERFACE

D0

D1

D2

R0

R1

AGND

BGND

REL1

CAC

RDC

10

µF

CRT

CRT

470nF

IREF

REF

30.1K

Ω

TIP

RPT1 20

Ω

LCP

1511

RPR1 20

Ω

RPT2 30

Ω

RPR2 30

Ω

RING

LA

VREL

LB

VB-

VREG

BASE

CREV

CREV

47nF

VB-

VRING

RR

600

Ω

D98TL313F

CSVR

STLC3080

D0

D1

D2

R0

R1

DET

DET

CSIN

CSIN

ILTF

RDC

1.5K

Ω

RLIM

RLIM

51.1K

Ω

RTH

RTH

26.1K

Ω

CSVR

100nF

RS2 600K

Ω

RT2

RS1 600K

Ω

RT1

RT

RELR

REL0

V

CC

RGND

V

DD

CH

220pF

VBAT

D1

1N4448

ZAC1

RX

RX

VB-

CSOUT

CSOUT

TTXIN

TTX

RDA

10K

RTTX

3.75K

CTTX

1

µF

CAC

+

RES

RES

CKRING

CKRING

PCD

MODE

MODE

GDK/AL

GDK/AL

Figure 4. Test Circuit.

LOGIC INTERFACE INPUT TIMING

Min.

Max

t1

100ns

t2

100ns

t3

250ns

t4

100ns

t5

100ns

t6

250ns

t3

t1

t2

CSIN

D0.1.2,R0.1

D98TL312

CSOUT

DET, GDK

t6

t4

t5

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Fig.

H. I. Feeding On-Hook

From 0 to 70

°C

From -40 to 85

°C

0.5

1.0

mA

mA

SBY On-Hook

From 0 to 70

°C

From -40 to 85

°C

2.5

3.5

mA

mA

Active On-Hook

From 0 to 70

°C

From -40 to 85

°C

4.0

5.0

mA

mA

Power Down

From 0 to 70

°C

From -40 to 85

°C

1.0

1.5

mA

mA

Any operating mode

100

µA

ELECTRICAL CHARACTERISTICS (continued)

STLC3080

13/23