AM79514-2JC Advanced Micro Devices, AM79514-2JC Datasheet

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AM79514-2JC

Manufacturer Part Number
AM79514-2JC
Description
AM79514-2JCSubscriber Line Interface Circuit
Manufacturer
Advanced Micro Devices
Datasheet

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AM79514-2JC
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AMD
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Am79514
Subscriber Line Interface Circuit
DISTINCTIVE CHARACTERISTICS
BLOCK DIAGRAM
B(RING)
Programmable constant-current feed
Programmable loop-detect threshold
On-chip switching regulator for low-power
dissipation
Polarity reversal feature
Optimized for –60 V battery
A(TIP)
BGND
VREG
VBAT
HPA
HPB
DA
DB
L
Two-Wire
Interface
CHS QBAT CHCLK
Transmission
Power-Feed
Ground-Key
Switching
Regulator
Controller
Ring-Trip
Off-Hook
Detector
Detector
Detector
Signal
Line feed characteristics independent of
battery variations
Two-wire impedance set by single external
impedance
Tip Open state for ground-start lines
Ring and test relay drivers
On-hook transmission
VCC
Ring Relay Driver
Test Relay Driver
Ring Relay Driver
Input Decoder
and Control
VEE
Publication# 18411
Issue Date: October 1999
AGND/DGND
Rev: D Amendment: /0
TESTOUT
RINGOUT
C1
C2
C3
C4
E1
DET
VTX
RSN
RD
RDC

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AM79514-2JC Summary of contents

Page 1

... Am79514 Subscriber Line Interface Circuit DISTINCTIVE CHARACTERISTICS Programmable constant-current feed Programmable loop-detect threshold On-chip switching regulator for low-power dissipation Polarity reversal feature Optimized for –60 V battery BLOCK DIAGRAM A(TIP) HPA Two-Wire Interface HPB B(RING VREG L VBAT BGND Line feed characteristics independent of ...

Page 2

... Valid Combinations list configurations planned to be supported in volume for this device. Consult the local AMD sales office to confirm availability JC of specific valid combinations, to check on newly released combinations, and to obtain additional data on AMD’s standard military grade products. Am79514 Data Sheet Valid Combinations ...

Page 3

... CONNECTION DIAGRAMS Top View TP TESTOUT VBAT QBAT CHS CHCLK C4 E1 Notes: 1. Pin 1 is marked for orientation thermal conduction pin tied to substrate. Am79514 SLIC Products ...

Page 4

... VTX Output Transmit audio. This output is a unity gain version of the A(TIP) and B(RING) metallic voltage. The other end of the two-wire input impedance programming network connects here. 4 Description Am79514 Data Sheet is negative for nor- RDC ...

Page 5

ABSOLUTE MAXIMUM RATINGS Storage temperature ......................... –55°C to +150°C V with respect to AGND/DGND ..... –0 +7 with respect to AGND/DGND...... +0 –7 with respect to AGND/DGND ..... +0.4 V ...

Page 6

... Am79514 Data Sheet Max Unit Note 20 W +35 — +3.1 2 Vpk +3.1 — — — mArms 8 +0.15 +0.20 4 +0.1 +0.15 ...

Page 7

ELECTRICAL CHARACTERISTICS (CONTINUED) Description Test Conditions (See Note 1) Balance Return Signal (4-Wire to 4-Wire, See Test Circuit B) Gain accuracy 0 dBm, 1 kHz + dBm, 1 kHz, – + ...

Page 8

... Logic Output (DET) Output Low voltage I OUT Output High voltage I OUT Relay Driver Outputs (RINGOUT, TESTOUT) On voltage 50 mA source Off leakage Clamp voltage 50 mA sink 8 Min = 50 mVrms) = 365/R D –0 –0 GND Q BAT Am79514 Data Sheet Typ Max Unit 3 4 7.5 12 1.0 2.3 2.2 3.5 mA 2.7 6.0 0.4 1.0 3.0 5.0 4.0 6 ...

Page 9

RELAY DRIVER SCHEMATICS SWITCHING CHARACTERISTICS Symbol Parameter tgkde E1 Low to DET High ( Low to DET Low ( tgkdd E0 High to DET Low ( tgkd0 E0 Low to DET High (E1 ...

Page 10

... Table 2 for This specification assumes that the two-wire AC load impedance and metallic impedance of 300 | – |V –V BAT AX series resistors connected between A(TIP) and B(RING). Am79514 Data Sheet tshde tgkdd tgkd0 = 600 for frequencies below | is less than approximately ...

Page 11

State Table 2. User-Programmable Components Z = 1000 Z – 2WIN F Z 1000 ---------- - ...

Page 12

... 58.9 V BAT 1.087 V – 18.017, V 58.9 V BAT BAT 51. 61.5 V BAT 1.073 V – 14.72, V 61.5 V BAT BAT R DC ------------ - 51.23 I – L 488 ----------- - 1.073 V – 14.72 – I BAT L 1071 – Voltage vs. Loop Current (Typical Am79514 Data Sheet 2 1 Active state OHT state ...

Page 13

DC FEED CHARACTERISTICS (continued 62.3 V BAT Loop Current vs. Load Resistance (Typical RSN SLIC B RDC Feed current programmed by R and R DC1 ...

Page 14

... Four- to Two-Wire Insertion Loss and Balance Return Signal Two-Wire Return Loss Test Circuit Am79514 Data Sheet VTX A(TIP) SLIC R T AGND R RX RSN B(RING log ( L4– BRS = 20 log (V ...

Page 15

TEST CIRCUITS (continued A(TIP) IDC B(RING) 1 << Single-Frequency Noise V CC A(TIP 600 L B(RING) G. Loop-Detector Switching SLIC 6.2 k DET SLIC Products ...

Page 16

... Deleted the Ceramic DIP and Plastic DIP part (Am79512) and references to them. • Updated Pin Description table to correct inconsistencies. 16 .009 .015 .125 .140 .080 .095 SEATING PLANE .013 .021 .050 REF. Am79514 Data Sheet .042 .056 .400 REF. .490 .530 16-038FPO-5 PL 032 DA79 SIDE VIEW 6-28-94 ae ...

Page 17

... The contents of this document are provided in connection with Advanced Micro Devices, Inc. ("AMD") products. AMD makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication and reserves the right to make changes to speci- fications and product descriptions at any time without notice. No license, whether express, implied, arising by estoppel or otherwise, to any in- tellectual property rights is granted by this publication. Except as set forth in AMD’ ...

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