PBL38650-2 Просмотр технического описания (PDF) - Ericsson

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производитель

PBL38650-2

Subscriber Line Interface Circuit

Ericsson  

PBL 386 50/2

Parameter

Ref

fig Conditions

Min

Typ

Tip voltage (ground start)

Tip voltage (ground start)

Open circuit state loop current, I

LOC

Loop current detector

Programmable threshold, ILTh,

active, active reverse

Tip open state

Ground key detector

7 Active state, Tip lead open (S open), -4

-2.2

Ring lead to ground through 150 Ω

Active state, tip lead to -48 V

-6

-2.4

through 7 kΩ (S closed), Ring

lead to ground through 150 Ω

R

L

=

0Ω

-100

0

ILTh =

500

RLD

RLD in kΩ, ILTh ≥ 7 mA

ILTh

=

500

RLD

0.85·ILTh ILTh

0.85·ILTh ILTh

Ground key detector threshold

(I and I difference to trigger ground key det.)

LTIPX

LRINGX

Line voltage measurement

10

16

Pulse width, tLVM

Ring trip comparator

Offset voltage, ∆VDTDR

Input bias current, IB

Input common mode range, V , V

DT DR

Ring relay driver

Note 9

Source resistance, RS = 0 Ω

IB = (IDT + IDR)/2

5.5

-20

0

-200

-20

V +1

Bat

Saturation voltage, VOL

IOL = 50 mA

0.2

Off state leakage current, ILk

VOH = 12 V

Digital inputs (C1, C2, C3)

Input low voltage, VIL

0

Input high voltage, VIH

2.5

Input low current, I

IL

V = 0.5

IL

Input high current, IIH

VIH = 2.5 V

Detector output (DET)

Output low voltage

IOL = 0.5 mA

Internal pull-up resistor

15

Power dissipation (V = -48V, V = -32V)

Bat

Bat2

P1

Open circuit state, C1, C2, C3 = 0, 0, 0

10

Active state, C1, C2, C3 = 0, 1, 0

P2

P

3

P

4

Power supply currents (VBat = -48V)

VCC current, ICC

VBat current, IBat

VCC current, ICC

VBat current, IBat

Power supply rejection ratios

Longitudinal current = 0 mA, I L=0 mA (on-hook) 70

R

L

=

300

Ω

(off-hook)

730

R

L

=

800

Ω

(off-hook)

360

Open circuit state

Active state

On-hook, Long Current = 0 mA

1.2

-0.1

-0.05

2.8

-1.5

-1.1

VCC to 2- or 4-wire port

VBat to 2- or 4-wire port

VBat2 to 2- or 4-wire port

Temperature guard

Active State

f = 1 kHz Vn = 100mV

30

42

36

45

40

60

Junction threshold temperature, T

145

JG

Thermal resistance

28-pin PLCC, θJP28plcc

39

24-pin SOIC, θJP24soic

43

24-pin SSOP, θJP24ssop

55

6

Max

Unit

V

V

100

µA

1.15·ILTh mA

1.15·ILTh mA

22

mA

µs/V

20

mV

200

nA

-1

V

0.5

V

10

µA

0.5

V

VCC

V

-50

µA

50

µA

0.7

V

kΩ

15

mW

85

mW

mW

mW

2.0

mA

mA

4.0

mA

mA

dB

dB

dB

°C

°C/W

°C/W

°C/W

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