RINGING PHASE

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Vir

Superimposed DC Voltage

Rloop > 100K

Ω

19

27

V

Rloop = 1K

Ω

17

25

V

Vacr

Ringing Siganl at Line Terminal

Rloop > 100k

Ω

56.0

Vrms

Rloop = 1K

Ω +1µF

56.0

Vrms

If

DC Off-hook Del Threshold

5.5

mA

Ilim

Output Current Capability

85

130

mA

Vrs

Ringing Symmetry

2

Vrms

THDr

Ringing Signal Distortion

5

%

Zir

Ringing Amplicat. Input Impedance

L3092’s Pin RGIN

50

K

Ω

Vrr

Residual of Ringing Signal at Tx

Output

100

mVrms

Trt

Ring Trip Detection Time

fring = 25Hz (T = 1/fring)

CINT = 470nF

80(3T)

ms

Toh

Off-hook Status Delay after the

Ringing Stop

50

µs

DIGITAL INTERFACE ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Vil

Input Voltage at Logical ”0”

Pins CS PWON LIM

0

0.8

V

Vih

Input Voltage at Logical ”1”

2

5

V

Vil

Input Voltage at Logical ”0”

Pins RNG-AUT

0

0.5

V

Vih

Input Voltage at Logical ”1”

2.3

5

V

lil

Input Current at Logical ”0”

All logic pins

Vil = 0V

Vih = 5V

15

µA

lih

Input Current at Logical ”1”

25

µA

Vol

Output Voltage at Logical ”0”

Pins ONHK GDK

Iout = -1mA

Iout = 1mA

0.4

V

Voh

Output Volatge at Logical ”1”

2.4

V

Ilk

Tristate Leak Current

CS = ”1”

10

µA

Pull-up MR Output Current

MR = ”0”

50

µA

DYNAMIC ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Tsd

PWON, RING, AUT, LIM

1500

ns

Thd

PWON, RING, AUT, LIM

0

ns

Tww

CS Impulse Width (writing op.)

1500

ns

Thv

ONHK, GDK Data Out to ”0” CS

Delay

600

ns

Tvh

ONHK, GDK High Imped. to ”1 ”CS

Delay

600

ns

Twr

CS Impulse Width (writing op.)

800

ns

(1) The datasheet certifies the electrical characteristics at 25

°C. For applications requiring operations in the standard temperature range (0°C

to 70

°C) use L3000N/L3092. If operations are required in the extended temperature range (-40°C to +85°C), use the kit L3000NT/L3092T.

L3000N - L3092

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