PBL386112QNT datasheet(6/18 Pages) ERICSSON

Part #	PBL386112QNT

Description	Subscriber Line Interface Circuit

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Manufacturer	ERICSSON [Ericsson]

Direct Link	http://www.ericsson.com

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PBL 386 11/2

6

Loop current detector

Programmable threshold, I

DET

I

LTh =

500

0.9•I

LTh

I

LTh

1.1•I

LTh

mA

I

LTh > 10 mA

R

LD

Ground key detector

Ground key detector threshold

I

LTIPX and ILRINGX current difference to trigger ground key det.

11

15

19

mA

Ring trip comparator

Offset voltage,

∆V

DTDR

Source resistance, R

S = 0 Ω

-20

0

20

mV

Input bias current, I

B

I

B = (IDT + IDR)/2

-50

-20

nA

Input common mode range, V

DT, VDR

V

Bat+1

-1

V

Ring relay driver

Saturation voltage, V

OL

I

OL = 50 mA

0.2

0.5

V

Off state leakage current, I

Lk

V

OH = 12 V

100

µA

Digital inputs (C1, C2, C3)

Input low voltage, V

IL

0

0.5

V

Input high voltage, V

IH

2.5

V

CC

V

Input low current, |I

IL|VIL = 0.5

200

µA

Input high current, I

IH

V

IH = 2.5 V

200

µA

Detector output (DET)

Output low voltage, V

OL

I

OL = 1 mA

0.1

0.6

V

Internal pull-up resistor to V

CC

10

k

Ω

Power dissipation (V

Bat = -48V, VBat2 = -32V)

P

1

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

10

14

mW

P

2 @ VEE=-5V

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

35

42

mW

P

3 @ VEE=-48V

Longitudinal current = 0 mA, I

L = 0 mA

39

46

mW

P

4 @ VEE = -5V

R

L = 300Ω (off-hook)

710

mW

P

5 @ VEE = -5V

R

L = 800Ω (off-hook)

340

mW

Power supply currents (V

Bat = -48V)

V

CC current, ICC

Open circuit state

0.8

mA

V

EE current, IEE

C1, C2, C3 = 0, 0, 0

-0.2

-0.1

mA

V

Bat current, IBat

-0.2

-0.1

mA

V

CC current, ICC

Active state

2.1

3.5

mA

V

EE current, IEE

C1, C2, C3 = 0, 1, 0

0.1

0.3

mA

V

Bat current, IBat , On-hook

Long Current = 0 mA, I

L = 0 mA

-0.8

-0.5

mA

Power supply rejection ratios

V

CC to 2- or 4-wire port

Active State

30

45

dB

V

EE to 2- or 4-wire port

C1, C2, C3 = 0, 1, 0

28.5

55

dB

V

Bat to 2- or 4-wire port

f = 1 kHz, V

n = 100mV

40

50

dB

V

Bat2 to 2- or 4-wire port

28.5

60

dB

Temperature guard

Junction threshold temperature, T

JG

140

°C

Parameter

fig

Conditions

Min

Typ

Max

Unit

Ref

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PBL386112QNT Datasheet(PDF) 6 Page - Ericsson

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