參數(shù)資料
型號(hào)： DS21Q348N
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 56/76頁(yè)
文件大?。?/td> 0K
描述： IC LIU T1/E1/J1 QUAD 3.3V 144BGA
標(biāo)準(zhǔn)包裝： 90
類型： 線路接口裝置（LIU）
規(guī)程： E1
電源電壓： 3.135 V ~ 3.465 V
安裝類型： 表面貼裝
封裝/外殼： 144-BBGA
供應(yīng)商設(shè)備封裝： 144-PBGA（17x17）
包裝： 管件
DS21348/DS21Q348
6 of 76
1. INTRODUCTION
The analog AMI/HDB3 waveform off of the E1 line or the AMI/B8ZS waveform off of the T1 line is
transformer coupled into the RTIP and RRING pins of the DS21348. The user has the option to use
internal termination, software selectable for 75/100/120
applications, or external termination. The
device recovers clock and data from the analog signal and passes it through the jitter attenuation MUX
outputting the received line clock at RCLK and bipolar or NRZ data at RPOS and RNEG. The DS21348
contains an active filter that reconstructs the analog received signal for the nonlinear losses that occur in
transmission. The receive circuitry is also configurable for various monitor applications. The device has a
usable receive sensitivity of 0dB to -43dB for E1 and 0dB to -36dB for T1, which allows the device to
operate on 0.63mm (22AWG) cables up to 2.5km (E1) and 6k feet (T1) in length. Data input at TPOS and
TNEG is sent via the jitter attenuation mux to the waveshaping circuitry and line driver. The DS21348
will drive the E1 or T1 line from the TTIP and TRING pins via a coupling transformer. The line driver
can handle both CEPT 30/ISDN-PRI lines for E1 and long-haul (CSU) or short-haul (DSX-1) lines for
T1.
1.1 Document Revision History
REVISION
DESCRIPTION
011801
Data sheet revised for 3.3V only.
092101
Added supply current measurements
Added thermal characteristics of quad package
101104
Corrected typos and removed all instances of 5V operation.
113004
Updated the storage and soldering temperature specs in the Absolute
Maximum Ratings section.
011206
Added lead-free packages to Ordering Information table on page 1.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21Q348NB 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q348-W 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q352 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3/5V Quad T1/E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q352B 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3/5V Quad T1/E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q352B+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3/5V Quad T1/E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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