ATTL7557AAU Ver la hoja de datos (PDF) - Agere -> LSI Corporation

Número de pieza

componentes Descripción

Fabricante

ATTL7557AAU

Low-Power SLICs with Battery Switch

Agere -> LSI Corporation 

L7556, L7557 Low-Power SLICs

with Battery Switch

Data Sheet

January 2000

Test Configurations

VBAT1

0.1 µF

VBAT2

0.1 µF

VCC

0.1 µF

VBAT1 VBAT2 BGND VCC AGND

LBAT

100 Ω

TIP

PT

VITR

RLOOP

100 Ω

L7556

L7557

SN

SLIC

RING

100 Ω

68.1 kΩ

0.1 µF

24.9 kΩ

PR

DCOUT

IPROG

LCTH

2 MΩ

402 Ω

274 kΩ 2 MΩ

VBAT

RTSP

RTSN

ICM

XMT

RCVN

RCVP

B0

B1

BS

NLC

NRDET

RGDET

CF1

CF2

BS1

BS2

0.47 µF

20 kΩ

95.3 kΩ

XMT

76.8 kΩ

11 kΩ

11 kΩ

RCV

0.1 µF

0.1 µF

Figure 4. Basic Test Circuit

12-2564.a (F)

100 µF

TIP

VS

368 Ω

+

BASIC

VM

TEST CIRCUIT

368 Ω

–

RING

100 µF

LONGITUDINAL BALANCE = 20 log

VS

VM

12-2584.c (F)

Figure 5. Longitudinal Balance

12

Lucent Technologies Inc.

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