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N682386 데이터시트 PDF




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부품번호 N682386 기능
기능 Dual Programmable Extended Codec/SLCC + SLFC
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N682386 데이터시트, 핀배열, 회로
N682386/87 + N681622
Dual Programmable Extended Codec/SLCC + SLFC
1. DESCRIPTION
The N682386/87, implements a dual channel FXS telephone line interface optimized for short loop applications. It
integrates SLCC (Subscriber Line Control Circuit) functionality with a dual programmable CODEC and a dual DC/DC
controller. The SLCC supports internal ringing up to 90 VPK (5 REN at 4k ft) ideal for Customer Premise Equipment
(CPE). The CODEC can be configured for μ-law, A-law or 16-bit linear PCM encoding. It also supports a
comprehensive set of signaling capabilities required to supervise and control the telephone lines. These include tone
generation, ring tones, DTMF detection/ generation as well as FSK generation. An on-chip Pulse Width Modulation
(PWM) driver allows control of an inductor based DC/DC converter. Programmable impedance and trans-hybrid
balancing allow for worldwide deployment.
2. FEATURES
¡ Complete BORSCHT functions
¡ Internal balanced and unbalanced ringing up to 90
VPK (5 REN up to 4k ft)
¡ Integrated Power Management Options
ƒ Integrated DC/DC controller regulates battery
voltage to minimize power dissipation in all
operating modes
ƒ Programmable external battery switching
¡ Programmable linefeed characteristics
ƒ Ringing Frequency, Amplitude, and Cadence
ƒ Trapezoidal and Sinusoidal waveforms
ƒ Two wire AC impedance, and trans-hybrid
balance
ƒ Constant Current feed (20 to 41) mA
ƒ Ring Trip and Loop Closure Thresholds
ƒ Ground Key Detection
¡ Programmable signal generation and detection
ƒ DTMF generation/ detection and Tone
generation
ƒ Frequency Shift Keying (FSK) Enhanced Caller
ID generation (Type I and Type II)
¡ Loop test and diagnostics support
ƒ Integrated loopback modes
ƒ Real-time linefeed monitoring
ƒ On-chip temperature sensor
ƒ Line Card Diagnostics Support
¡ Digital interfaces
ƒ PCM: G.711 μ-Law, A-Law and 16-bit linear
ƒ GCI and SPI bus
ƒ Programmable audio path gains
¡ Both PCM Master and Slave modes supported
¡ On-chip PLL for flexible clocking options including
1.0 MHz and 2.0 MHz BCLK operation
¡ Operating voltage: 3.3V
¡ Narrowband Codec (N682386)
¡ Wideband and Narrowband codec (N682387)
¡ Optional integrated (N681622) or discrete
Subscriber Line Feed Circuit
APPLICATIONS
¡ Residential VoIP Gateways / Routers/ IP-PBX
¡ Fiber to the Premise/Home (FTTP/H)
¡ Wireless Local Loop
¡ Optical Network Terminals (ONT)
¡ Analog Telephone Adapter (ATA)
¡ Voice enabled DSL/Cable Modems
¡ Integrated Access Devices
¡ Set Top Boxes
Ordering Information
Part Number
N682386MG
N682387MG
N682386YG
N682387YG
Temp
Range (oC)
-40 to 85
-40 to 85
Package
64-TQFP
64-QFN..
Package
Material
Pb-Free
Pb-Free
N681622YG -40 to 85
U.S. Patent # 7260212 B1
20-QFN
Pb-Free
! WARNING !
HIGH VOLTAGE WARNING USE EXTREME CAUTION
High voltage sources could cause serious injury or
death if not used in accordance with design and/or user
specifications, if they are used by untrained or
unqualified personnel. Before testing Nuvoton’s products
read and understand all instructions, and safety
procedures as in industry standard safe practices.
Revision 1.3
Page 1 of 160
Sep 2010




N682386 pdf, 반도체, 판매, 대치품
N682386/87 + N681622
Dual Programmable Extended Codec/SLCC + SLFC
Pin Name
VDD3
GND3
CT1
CR1
TAC1
RAC1
RVB1
GND1
TVB1
RIN1
RIP1
VDD1
TPP1
TIN1
RVE1
BAT1
TVE1
SDB1
SCM1
SDA1
SDA2
SCM2
SDB2
TVE2
BAT2
RVE2
TIN2
TPP2
Pin No.
Functionality
37 3.3 V Analog AC path and reference Supply Voltage
38 Analog AC path and reference Supply ground
39 External Capacitor TIP
40 External Capacitor RING
41 TIP Voice Band Input
42 RING Voice Band Input
43 Positive RING Driver Base Voltage Control
44 Line-driver ground supply
45 Positive TIP Driver Base Voltage Control
46 Negative RING Driver current source
47 Positive RING Driver current source & Voltage sense
48 Line-driver 3.3 V supply
49 Positive TIP Driver current source & Voltage sense
50 Negative TIP Driver current source
51 RING line-driver emitter voltage sense
52 Battery voltage monitoring
53 TIP line-driver emitter voltage sense
54 Subscriber Loop Differential sense signal B from linefeed circuit
55 Subscriber Common Mode sense signal from linefeed circuit
56 Subscriber Loop Differential sense signal A from linefeed circuit
57 Subscriber Loop Differential sense signal A from linefeed circuit
58 Subscriber Common Mode sense signal from linefeed circuit
59 Subscriber Loop Differential sense signal B from linefeed circuit
60 TIP line-driver emitter voltage sense
61 Battery voltage monitoring
62 RING line-driver emitter voltage sense
63 Negative TIP Driver current source
64 Positive TIP Driver current source & Voltage sense
Table 1: Pin Description
A Analog
D Digital
G Ground
O Output
I Input
P Power
A/D
Pin
Type
A P3
A G3
A I/O
A I/O
A I1
A I1
A O1
A G1
A O1
A O1
A I/O1
A P1
A I/O1
A O1
A I1
A I1
A I1
A I1
A I1
A I1
A I2
A I2
A I2
A I2
A I2
A I2
A O2
A I/O3
Revision 1.3
Page 4 of 160
Sep 2010

4페이지










N682386 전자부품, 판매, 대치품
N682386/87 + N681622
Dual Programmable Extended Codec/SLCC + SLFC
6. TABLE OF CONTENTS
1.  DESCRIPTION ...........................................................................................................................................1 
2.  FEATURES ................................................................................................................................................1 
3.  PIN CONFIGURATION ..............................................................................................................................2 
4.  PIN DESCRIPTION ....................................................................................................................................3 
4.1.  N682386/87 PIN DESCRIPTION ...............................................................................................................3 
4.2.  N681622 PIN DESCRIPTION ....................................................................................................................5 
5.  BLOCK DIAGRAM......................................................................................................................................6 
6.  TABLE OF CONTENTS .............................................................................................................................7 
7.  LIST OF FIGURES ...................................................................................................................................14 
8.  LIST OF TABLES .....................................................................................................................................16 
9.  ABSOLUTE MAXIMUM RATINGS ...........................................................................................................17 
9.1.  DUAL PROGRAMMABLE EXTENDED CODEC/SLCC (N682386/87).....................................................17 
9.2.  N681622 SUBSCRIBER LINE FEED CIRCUIT (SLFC) ...........................................................................17 
10.  OPERATING CONDITIONS.....................................................................................................................18 
10.1. 
SINGLE PROGRAMMABLE EXTENDED CODEC/SLCC (N682386/87) .................................................18 
10.2. 
SUBSCRIBER LINE FEED CIRCUIT (N681622) .....................................................................................18 
11.  ELECTRICAL CHARACTERISTICS.........................................................................................................19 
11.1. 
GENERAL PARAMETERS (N682386/87)................................................................................................19 
11.2. 
SUPPLY PARAMETERS DISCRETE SOLUTION (N682386/87 AND DISCRETE LINE DRIVER) .........19 
11.3. 
SUPPLY PARAMETERS SLFC SOLUTION (N682386/87 AND N681622) .............................................20 
11.4. 
MONITORING A/D PARAMETERS..........................................................................................................21 
11.5. 
ANALOG SIGNAL LEVEL AND GAIN PARAMETERS ............................................................................21 
11.6. 
2-WIRE TO 4-WIRE CONVERSION PARAMETERS...............................................................................22 
11.7. 
2-WIRE PARAMETERS ...........................................................................................................................22 
11.8. 
LINEFEED CHARACTERISTICS .............................................................................................................22 
11.9. 
ANALOG DISTORTION AND NOISE PARAMETERS .............................................................................23 
12.  FUNCTIONAL DESCRIPTION .................................................................................................................24 
12.1. 
BORSCHT FUNCTIONALITY ..................................................................................................................25 
12.1.1.  BATTERY FEED ......................................................................................................................................25 
12.1.1.1.  LINEFEED STATES OF OPERATION .....................................................................................................27 
12.1.1.1.1.  OPEN STATE...........................................................................................................................................27 
12.1.1.1.2.  ACTIVE, IDLE AND ON-HOOK TRANSMISSION STATES.....................................................................27 
12.1.1.1.3.  TIP OPEN STATE ....................................................................................................................................27 
12.1.1.1.4.  RING OPEN STATE.................................................................................................................................28 
12.1.1.1.5.  RINGING STATE......................................................................................................................................28 
12.1.1.1.6.  CALIBRATION STATE .............................................................................................................................28 
Revision 1.3
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Sep 2010

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부품번호상세설명 및 기능제조사
N682386

Dual Programmable Extended Codec/SLCC + SLFC

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Dual Programmable Extended Codec/SLCC + SLFC

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