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參數(shù)資料
| 型號： | MAX3941 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 10Gbps EAM Driver with Integrated Bias Network |
| 中文描述： | 10Gbps EAM驅(qū)動器，帶有偏置網(wǎng)絡(luò) |
| 文件頁數(shù)： | 8/11頁 |
| 文件大?。?/td> | 319K |
| 代理商： | MAX3941 |
M
Detailed Description
The MAX3941 EAM driver consists of two main parts: a
high-speed modulation driver and an EAM-biasing
block. The clock and data inputs to the driver are com-
patible with PECL and CML logic levels. The modula-
tion and bias currents are output through the OUT pin.
The modulation output stage is composed of a high-
speed differential pair and a programmable current
source with a maximum modulation current of 120mA.
The rise and fall times are typically 23ps. The modulation
current is designed to produce an EAM voltage up to
3.0V
P-P
when driving a 50
module. The 3.0V
P-P
results
from 120mA
P-P
through the parallel combination of the
50
EAM load and the internal 50
back termination.
Polarity Switch
The MAX3941 includes a polarity switch. When the
PLRT pin is high or left floating, the output maintains the
polarity of the input data. When the PLRT pin is low, the
output is inverted relative to the input data.
Clock/Data Input Logic Levels
The MAX3941 is directly compatible with ground-refer-
ence CML. Either DC- or AC-coupling can be used for
CML referenced to ground. For all other logic types,
AC-coupling should be used.
Optional Data Input Latch
To reject pattern-dependent jitter in the input data, a syn-
chronous differential clock signal should be connected to
the CLK+ and CLK- inputs, and the
RTEN
control input
should be connected to V
EE
.
10Gbps EAM Driver with Integrated
Bias Network
8
_______________________________________________________________________________________
PIN
NAME
FUNCTION
1
DATA+
Noninverting Data Input with 50
On-Chip Termination
2
DATA-
Inverting Data Input with 50
On-Chip Termination
3, 4, 14
GND
Ground. All pins must be connected to board ground.
5
CLK+
Noninverting Clock Input for Data Retiming with 50
On-Chip Termination
6
CLK-
Inverting Clock Input for Data Retiming with 50
On-Chip Termination
7, 11, 12, 13,
18, 19, 24
V
EE
Negative Supply Voltage. All pins must be connected to board V
EE
.
8
PWC+
Positive Input for Modulation Pulse-Width Adjustment (See the
Design Procedure
Section)
9
PWC-
Negative Input for Modulation Pulse-Width Adjustment. Ground to disable the pulse-width
adjustment feature (see the
Design Procedure
section)
.
10
MODSET
Modulation Current Set. Apply a voltage to set the modulation current of the driver output.
15
GND1
Ground. Ground connection.
16
OUT
Driver Output. Provides both modulation and bias output. DC-couple to EAM.
17
GND2
Ground. Ground connection.
20
PLRT
Differential Data Polarity Swap Input. Set high or float for normal operation. Set low to invert the
differential signal polarity. Contains an internal 100k
pullup to GND.
21
BIASSET
Bias Current Set. Apply a voltage to set the bias current of the driver output.
22
MODEN
TTL/CMOS Modulation Enable Input. Set low or float for normal operation. Set high to put the EAM
in the absorption (logic 0) state. Contains an internal 100k
pulldown to V
EE
.
Data-Retiming Input. Connect to V
EE
for retimed data. Connect to GND to bypass retiming latch.
Ground. Must be soldered to the circuit board ground for proper thermal and electrical performance
(see the
Exposed Pad Package
section).
23
RTEN
Exposed
Pad
EP
Pin Description
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3941ETG | 功能描述:緩沖器和線路驅(qū)動器 10Gbps EAM Driver w/Int Bias Network RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MAX3941ETG+ | 功能描述:緩沖器和線路驅(qū)動器 10Gbps EAM Driver w/Int Bias Network RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MAX3941ETG+T | 功能描述:緩沖器和線路驅(qū)動器 10Gbps EAM Driver w/Int Bias Network RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MAX3941ETG-T | 功能描述:緩沖器和線路驅(qū)動器 10Gbps EAM Driver w/Int Bias Network RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MAX3941EVKIT | 功能描述:緩沖器和線路驅(qū)動器 Evaluation Kit for the MAX3941 RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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