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| 型号： | MAX3804ETE#TG16 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/9页 |
| 文件大小： | 0K |
| 描述： | IC EQUALIZER REC 12.5GBPS 16TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 发射器 |
| 规程： | 以太网 |
| 电源电压： | 3 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（3x3） |
| 包装： | 带卷 (TR) |
MAX3804
12.5Gbps Settable Receive Equalizer
_______________________________________________________________________________________
5
Pin Description
PIN
NAME
FUNCTION
1, 4
VCC1
CML Input Supply Voltage. Connect to +1.8V to +3.3V for DC-coupled CML. Input can also be
AC-coupled.
2
SDI+
Positive Serial Data Input, CML
3
SDI-
Negative Serial Data Input, CML
5
EQ1
Equalizer Boost Control Logic Input LSB, LVTTL. See Table 1.
6
EQ2
Equalizer Boost Control Logic Input, LVTTL. See Table 1.
7
EQ3
Equalizer Boost Control Logic Input MSB, LVTTL. See Table 1.
8, 16
GND
Supply Ground
9, 12
VCC2
CML Output Supply Voltage. Connect to +1.8V to +3.3V for DC-coupled CML. Output can also be
AC-coupled.
10
SDO-
Negative Serial Data Output, CML
11
SDO+
Positive Serial Data Output, CML
13, 14
N.C.
No Connection. Leave unconnected.
15
VCC
+3.3V Core Supply Voltage
EP
Exposed Pad
Ground. Must be soldered to the circuit board ground for proper thermal and electrical performance
(see the Package and Layout Considerations section).
Detailed Description
General Theory of Operation
The MAX3804’s low-noise linear input stage includes
two amplifiers, one with flat-frequency response, and
one with response that compensates for the loss
characteristic of an FR-4 PC board transmission line.
A current-steering network allows the designer to
control the amount of equalization to match the path
loss for specific applications. This network consists of a
pair of variable attenuators feeding into a summing
node. Equalization is set by a 3-bit LVTTL-compatible
input (EQ3, EQ2, and EQ1). By employing fixed control
of the equalization level, the MAX3804 provides optimal
performance for a specific path loss. A high-speed
limiting amplifier follows the equalizer circuitry to shape
the output signal (see Figure 1).
CML Input and Output Buffers
The MAX3804 input and output CML buffers are termi-
nated with 50
to VCC1 and VCC2, respectively. The
equivalent circuit for the output is shown in Figure 2.
Separate supply voltage connections are provided for
the core (VCC), input (VCC1), and output (VCC2) circuit-
ry to control noise coupling, and to allow DC-coupling
to +1.8V, +2.5V, or +3.3V CML ICs. The CML inputs
and outputs can also be AC-coupled.
Use AC-coupling for single-ended cable applications.
The unused CML input must be connected through an
AC-coupling capacitor to a 50
termination.
The low-frequency cutoff of the input-stage offset-can-
cellation circuit is nominally 21kHz.
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相关代理商/技术参数 |
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|---|---|
| MAX3804EVKIT | 制造商:Maxim Integrated Products 功能描述:12.5GBPS SETTABLE RECEIVE EQUALIZER - Bulk |
| MAX3804EVKIT# | 制造商:Maxim Integrated Products 功能描述:12.5GBPS SETTABLE RECEIVE EQUALIZER - Boxed Product (Development Kits) |
| MAX3805ETE | 功能描述:特定功能逻辑 10.7Gbps Settable Receive EQ RoHS:否 制造商:Texas Instruments 产品: 系列:SN74ABTH18502A 工作电源电压:5 V 封装 / 箱体:LQFP-64 封装:Tube |
| MAX3805ETE#G16 | 功能描述:以太网 IC 10.7Gbps Settable Receive EQ RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
| MAX3805ETE#TG16 | 功能描述:以太网 IC 10.7Gbps Settable Receive EQ RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
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