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參數(shù)資料
| 型號(hào)： | DS2153Q-A7+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 36/60頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX E1 1-CHIP 5V 44-PLCC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 500 |
| 功能： | 單芯片收發(fā)器 |
| 接口： | E1 |
| 電路數(shù)： | 1 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 電流 - 電源： | 65mA |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-LCC（J 形引線） |
| 供應(yīng)商設(shè)備封裝： | 44-PLCC（16.59x16.59） |
| 包裝： | 帶卷 (TR) |
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DS2153Q
41 of 60
13.2 Transmit Waveshaping and Line Driving
The DS2153Q uses a set of laser-trimmed delay lines along with a precision digital-to-analog converter
(DAC) to create the waveforms that are transmitted onto the E1 line. The waveforms created by the
DS2153Q meet the ITU specifications. See Figure 13-3. The user will select which waveform is to be
generated by properly programming the L0 to L2 bits in the Line Interface Control Register (LICR). The
DS2153Q can set up in a number of various configurations depending on the application. See Table 13-2
and Figure 1-1.
Table 13-2. LBO Select in LICR
L2
L1
L0
APPLICATION
TRANSFORMER
RETURN LOSS
(dB)
Rt (
)
0
75
normal
1:1.15 step-up
N.M.
0
1
120
normal
1:1.15 step-up
N.M.
0
1
0
75
normal with protection
resistors
1:1.15 step-up
N.M.
8.2
0
1
120
normal with protection
resistors
1:1.15 step-up
N.M.
8.2
1
0
75
with high return loss
1:1.15 step-up
21
27
1
0
75
with high return loss
1:1.36 step-up
21
18
1
0
120
with high return loss
1:1.36 step-up
21
27
N.M. = not meaningful
Due to the nature of the design of the transmitter in the DS2153Q, very little jitter (less than 0.005UIP-P
broadband from 10Hz to 100kHz) is added to the jitter present on TCLK. Also, the waveforms that they
create are independent of the duty cycle of TCLK. The transmitter in the DS2153Q couples to the E1
transmit shielded twisted pair or coax via a 1:1.15 or 1:1.36 step-up transformer as shown in Figure 13-1.
For the devices to create the proper waveforms, the transformer used must meet the specifications listed
in Table 13-3.
Table 13-3. Transformer Specifications
SPECIFICATION
RECOMMENDED VALUE
Turns Ratio
1:1 (receive) and 1:1.15 or 1:1.36 (transmit)
±5%
Primary Inductance
600
H minimum
Leakage Inductance
1.0
H maximum
Intertwining Capacitance
60pF maximum
DC Resistance
1.2
maximum
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| DS2156LN+ | IC TXRX T1/E1/J1 1-CHIP 100-LQFP |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2153QN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM Transceiver |
| DS2153QN-A5 | 功能描述:IC TXRX E1 1-CHIP 5V IND 44-PLCC RoHS:否 類別:集成電路 (IC) >> 接口 - 電信 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:* |
| DS2153QN-A7 | 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 |
| DS2153QN-A7/T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS2153QN-A7/T&R+ | 制造商:Maxim Integrated Products 功能描述:FRAMER E1/ISDN-PRI/PCM-30 5V 44PLCC - Tape and Reel |
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