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N682387 データシート PDF ( 特性, スペック, ピン接続図 )

部品番号 N682387
部品説明 Dual Programmable Extended Codec/SLCC + SLFC
メーカ nuvoton
ロゴ nuvoton ロゴ 

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N682387 Datasheet, N682387 PDF,ピン配置, 機能
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

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