le9531cmqc Zarlink Semiconductor, le9531cmqc Datasheet

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le9531cmqc

Manufacturer Part Number
le9531cmqc
Description
Ringing Subscriber Line Interface Circuit
Manufacturer
Zarlink Semiconductor
Datasheet
Features
Single Channel High Voltage Ringing SLIC
Functionally Equivalent of Le9530 One Channel
Two Power Supplies
High Voltage Design
Eight Operating States
Differential Ringing Inputs for Optimized Interface
to BCM SoC Devices
Ultra-Low On-Hook Power
Loop Start, Ring Trip, and Ground Start
Detections
Pin-to-pin compatible to Le9530 channel 2 in
48-pin eTQFP package.
Single user adjusted battery input
3.3 V for V
Meets Comcast ringing requirements without
clipping distortion
Robust solution with no damage during
extended ringing cycles or switching the ringer
on and off
Allows use of 50 
lower cost lower current rated protectors
Two Grades
-
-
Scan state for minimal power dissipation
Active Forward 25 mA DC Current Limit
(Default Power Up Mode)
Active Reverse 25 mA DC Current Limit
Active Forward 40 mA DC Current Limit
Active Reverse 40 mA DC Current Limit
Tip Open Ground Start
Ringing
Disconnect
Allows to accept driving signals from voice
outputs as well as from PWM outputs
Loop closure detection with hysteresis to
minimize dial pulse distortion
Up to –145 V ringing battery Le9531D
Up to –100 V ringing battery Le9531C
CC
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
protection resistors and
Copyright 2011, Zarlink Semiconductor Inc. All Rights Reserved.
Zarlink Semiconductor Inc.
Ringing Subscriber Line Interface Circuit
1
V I TR
Document ID#: 136175
Applications
V TX
2. For delivery using a tape and reel packing system, add a "T"
TX I
I TR
1. The green package meets RoHS Directive 2002/95/EC of the
P T
P R
European Council to minimize the environmental impact of
electrical equipment.
suffix to the OPN (Ordering Part Number) when placing an
order.
Thermal Shutdown Protection with Hysteresis
Test Load Switch
Optimized design to work with BCM3378/80/82
and BCM6816 Broadcom SoCs
Other short loop residential gateway
Le9531CMQC 28-pin QFN (Green) Trays
Le9531DMQC 28-pin QFN (Green) Trays
Le9531CETC 48-pin eTQFP (Green)Trays
Le9531DETC 48 pin eTQFP(Green) Trays
S W I TCH
G A I N = 1 3 .6 7
TES T
Supports integrated test algorithms
(I TR /4 3 2 )
A A C
TLD
A X
TLD EN
CU RREN T
TI P /RI N G
+
S EN S E
RF T
Ordering Information
RF R
V REF
1 8
1 8
Figure 1 - Block Diagram
BA N D - G A P
REF EREN CE
RECTI F I ER
I REF
1 . 5 V
A T
A R
+
+
Version 3
D CO U T
P A RA LLEL
I N TERF A CE
B0 B1 B2
CLO S U RE
LO O P
RTF LT
D A TA
RI N G
TRI P
I N RU S H CO N TRO L
CU RREN T LI M I T
VE950 Series
N S TA T
REV ERS A L
BA TTERY
G ai n = 8
D C F EED
G ain = 1 50
A N D
Data Sheet
BG N D
P O W ER
RI N G
Le9531
A C
A G N D
May 2011
V BA T
Th er m al
D CF
V CC
RI N G N
RCV P
RCV N
RI N G P
P ad

Related parts for le9531cmqc

le9531cmqc Summary of contents

Page 1

... Copyright 2011, Zarlink Semiconductor Inc. All Rights Reserved. Ringing Subscriber Line Interface Circuit Document ID#: 136175 Ordering Information Le9531CMQC 28-pin QFN (Green) Trays Le9531DMQC 28-pin QFN (Green) Trays Le9531CETC 48-pin eTQFP (Green)Trays Le9531DETC 48 pin eTQFP(Green) Trays 1. The green package meets RoHS Directive 2002/95/EC of the European Council to minimize the environmental impact of electrical equipment ...

Page 2

... A test load switch is also included to support integrated test algorithms. Le9531 is available in 28-pin QFN (4mm x 5mm) and 48-pin eTQFP. With the 48-pin eTQFP package it is pin to pin compatible to Le9530 channel 2. Le9531 2 Zarlink Semiconductor Inc. Data Sheet . It provides forward and CC ...

Page 3

... Test Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 DC Loop Current Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Overhead Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Supervision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Power Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Design Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Application Circuit Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 48-Pin eTQFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 28-pin QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Revision 1 to Revision Revision 2 to Revision Le9531 Table of Contents 3 Zarlink Semiconductor Inc. Data Sheet ...

Page 4

... Figure 3 - Le9531 Basic Test Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 4 - Metallic PSRR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 5 - Longitudinal PSRR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 6 - Longitudinal Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure Gains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 8 - Le9531 Reference Schematic Interfacing Broadcom Codec Figure 9 - Le9531 Reference Schematic Interfacing Broadcom Codec with Shared Driving Paths . . . . . . . . . . . 29 Le9531 List of Figures 4 Zarlink Semiconductor Inc. Data Sheet ...

Page 5

... Additionally, this allows sufficient overhead for 500 mV of meter pulse if desired. This overhead is fixed. The ring trip detector is turned off during Active states to conserve power. A disconnect state is provided where all circuits are turned off and power is denied to the loop. Le9531 . REF 5 Zarlink Semiconductor Inc. Data Sheet ...

Page 6

... The package of the device is a small 28-pin QFN (4mm x 5mm also available in 48-pin eTQFP (7mm x 7mm) with the same pin outs as Le9530 on channel 2. Le9531 states. In either case, there is a hysteresis. The ring trip detector requires is clamped to less than 56 this state at PR. The NSTAT loop BAT 6 Zarlink Semiconductor Inc. Data Sheet The VITR output is also REF. ...

Page 7

... Exposed Pad Figure Pin eTQFP and 28-pin QFN 7 Zarlink Semiconductor Inc. Data Sheet 22 BGND NSTAT AGND ...

Page 8

... State Control Input. These pins have an internal 100 kpull-down. B0 Input State Control Input. These pins have an internal 100 kpull-down. ITR Input Transmit Gain. Input to AX amplifier. Connect a 6.49 kresistor from this node to VTX to set transmit gain of 205V/A. Le9531 Description 8 Zarlink Semiconductor Inc. Data Sheet ...

Page 9

... Thermal Pad. Connect to a ground plane on the printed circuit board for thermal conduction. (QFN) Exposed Pad Thermal and Circuit Ground. Connect to a ground plane on the printed circuit board for thermal conduction and for analog signal ground and battery ground. (eTQFP) Le9531 Description 9 Zarlink Semiconductor Inc. Data Sheet ...

Page 10

... GND BAT V GND –155 + Vcc BAT –0.4 –0.4 –40 – – BAT – BAT JESD22 Class 1C 10 Zarlink Semiconductor Inc. Data Sheet Max. Unit 4.0 V –110 0 0 125 °C 150 ° compliant ...

Page 11

... Note that ringing with battery supply |VBAT| < |-60| V constant is not recommended. Le9531 –40° C  T  +85° 95% Min. Typ. Max. 3.13 3.3 3.47 –12 — –100 –12 — –100 –12 — –145 11 Zarlink Semiconductor Inc. Data Sheet Unit ...

Page 12

... Min. Typ. — –60 V — –21 V — 42 — 10 — 29 — 207 — 324 12 Zarlink Semiconductor Inc. Data Sheet Max. Unit 4.30 mA 0.27 mA 5.10 mA 1.45 mA 5.00 mA 1.36 mA 3.50 mA 0.07 mA 4.00 mA 0.24 mA 5.35 mA 2.23 mA 5.47 mA 2.50 mA Max. Unit 35 mW 105 mW 46 ...

Page 13

... Accuracy Loop Closure Threshold Hysteresis: Active states Scan state Le9531 60V for scan and disconnect state Table 1 - Two-Wire Port 13 Zarlink Semiconductor Inc. Data Sheet 30V for active states, 100V/ 145V for – – – Min. Typ. Max. Unit 105 — ...

Page 14

... Min. — –10 — ±300 ± 0.25 + 0.35 — 10 — 0 — — – — — 3 –199 Table 2 - Analog Pin Characteristics 14 Zarlink Semiconductor Inc. Data Sheet Min. Typ. Max. Unit 52 — — — — — — — dB Typ. Max. Unit 100 — ...

Page 15

... DC loop current 5mA and 20mA, and measure voltage at DCOUT TR – DCOUT_G , | 5mA and above. DCOUT TR ain TR Table 2 - Analog Pin Characteristics 15 Zarlink Semiconductor Inc. Data Sheet Typ. Max. Unit 8.00 8.24 V/V 0 0. 0.05 — 2.0 0 0.05 dB ...

Page 16

... Symbol Min. V –0 2 — — 2.2 OH Min. Typ. 150 — — 11.2 — 2.2 Table 4 - Ground Start 16 Zarlink Semiconductor Inc. Data Sheet Typ. Max. Unit 0.2 0 — ±10 µA — 30 µA 0 0.2 0.5 V — Max. Unit — k ...

Page 17

... This parameter is not tested in production guaranteed by design and device characterization. Le9531 Min. 0 — — = open or 5 REN* — LOAD = open or 5 REN* — LOAD = open 146 LOAD = open 146 LOAD 17 Zarlink Semiconductor Inc. Data Sheet Typ. Max. Unit — — — — — ...

Page 18

... Additional 10% variations to the minimum and maximum limits at -40° C. Le9531 Min. 100 — — — Table 6 - Ring Trip Condition Min –3 — 18 Zarlink Semiconductor Inc. Data Sheet Typ. Max. Unit  — 600 — 10 k — 100 ms 10 — ...

Page 19

... Active reverse battery, Low DC current limit (25mA), Test Switch On. 1 Active reverse battery, High DC current limit (40mA), Test Switch On. 1 Ground start, Test Switch On. 1 Scan, Test Switch On. 1 Disconnect, Test Switch On. 1 Ring, Test Switch On. NSTAT Table 7 - Supervision Coding 19 Zarlink Semiconductor Inc. Data Sheet ...

Page 20

... The tip to ring on-hook differential voltage will be typically between –41 V and –49 V with a – –100 V primary battery. • Supports undistorted transmission of 3.14 dBm into 900 ohms with 500 mVrms of PPM for any supported loop length and on-hook transmission Le9531 20 Zarlink Semiconductor Inc. Data Sheet ...

Page 21

... Thermal Shutdown • Not controlled via truth table inputs. • This mode is caused by excessive heating of the device, such as may be encountered in an extended power cross situation. NSTAT output is forced low or off-hook during a thermal shutdown event. Le9531 ) to PR. BAT 21 Zarlink Semiconductor Inc. Data Sheet ...

Page 22

... Le9531 BASIC TEST CIRCUIT Exposed Pad (BGND/AGND) NSTAT BAT V CC 0.1 F 0.1 F V BAT CC Figure 3 - Le9531 Basic Test Circuit 22 Zarlink Semiconductor Inc. Data Sheet VITR VITR 0.1 F 100 k RCVP RCV 113 k 60.4 k RCVN RINGP RINGP RINGN RINGN 0.1 F TXI VTX 6.49 k ...

Page 23

... RING VS PSRR = 20log VT/R Figure 4 - Metallic PSRR BAT  Disconnect 100 Bypass Capacitor  4 BAT CC  67.5 TIP  BASIC TEST CIRCUIT  67.5 + RING  VM 56.3  – VS PSRR = 20log VM Figure 5 - Longitudinal PSRR 23 Zarlink Semiconductor Inc. Data Sheet CC ...

Page 24

... TIP VS 368  TEST CIRCUIT 368  – RING  100 F LONGITUDINAL BALANCE = 20log Figure 6 - Longitudinal Balance PT + BASIC  VT/R 600 TEST CIRCUIT – PR RCV VVITR GXMT = VT/R VT/R GRCV = VRCV Figure Gains 24 Zarlink Semiconductor Inc. Data Sheet BASIC VS VM VITR RCV VS ...

Page 25

... AAC amplifier in the transmit direction at VITR is deactivated. However, the AX amplifier at VTX is active during the ring state; differential ring current may be sensed at VTX during the ring state. Le9531 ILIM + 60 ILIM + 20 Response 25 Zarlink Semiconductor Inc. Data Sheet Value Unit mA mA ILIM ...

Page 26

... RINGP/N inputs. This signal is amplified to produce the balanced power ring signal. The user may supply a sine wave input, PWM input square wave to produce sinusoidal or trapezoidal ringing at tip and ring. Le9531 ) + 1.146} BAT 26 Zarlink Semiconductor Inc. Data Sheet ...

Page 27

... Contact your Zarlink account representative for assistance with other applications. Le9531 greater than 100 V, special attention must be BAT may be more negative than -100 V only during the actual BAT should not exceed 100 V when the SLIC device is not in the Ringing mode. 27 Zarlink Semiconductor Inc. Data Sheet is expected to BAT ...

Page 28

... V CC VITR R VITR 54.9 k Le9531 RCVP R RCVP 162 k V REF R RCVN 41.2 k RCVN RINGN RINGP NSTAT Zarlink Semiconductor Inc. Data Sheet DDCORE DDI/O C VTXP 0.1 F VTXP R VTXP 301 k APM_LAVDD_1P2 R VTXN 301 k C VITR 0.1 F VTXN ...

Page 29

... V CC VITR R VITR 54.9 k Le9531 RCVP R RCVP 162 k V REF R RCVN 41.2 k RCVN RINGN RINGP NSTAT Zarlink Semiconductor Inc. Data Sheet DDCORE DDI/O C VTXP 0.1 F VTXP R VTXP 301 k APM_LAVDD_1P2 R VTXN 301 k C VITR 0.1 F VTXN ...

Page 30

... 1/16 W — — 30 Zarlink Semiconductor Inc. Data Sheet Comments Protection resistor. Protection resistor. Consult Zarlink for a recommendation. Consult protector vendor for recommended value. This capacitor may or may not be required depending upon the type of protector in use. V filter capacitor. ...

Page 31

... Physical Dimensions 48-Pin eTQFP Note: Packages may have mold tooling markings on the surface. These markings have no impact on the form, fit or function of the device. Markings will vary with the mold tool used in manufacturing. Le9531 31 Zarlink Semiconductor Inc. Data Sheet ...

Page 32

... QFN Le9531 32 Zarlink Semiconductor Inc. Data Sheet ...

Page 33

... Revision History Revision 1 to Revision 2 • Added "confidential" watermark Revision 2 to Revision 3 • Updated the 28-pin package drawing on page 32 Le9531 33 Zarlink Semiconductor Inc. Data Sheet ...

Page 34

... For more information about all Zarlink products Information relating to products and services furnished herein by Zarlink Semiconductor Inc. or its subsidiaries (collectively “Zarlink”) is believed to be reliable. However, Zarlink assumes no liability for errors that may appear in this publication, or for liability otherwise arising from the application or use of any such information, product or service or for any infringement of patents or other intellectual property rights owned by third parties which may result from such application or use ...

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