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参数资料
| 型号： | MAX3872ETJ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/15页 |
| 文件大小： | 0K |
| 描述： | IC DATA RECOVERY W/AMP 32-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 时钟和数据恢复（CDR），多路复用器 |
| PLL： | 是 |
| 主要目的： | 以太网，SONET/SDH |
| 输入： | CML |
| 输出： | CML |
| 电路数： | 1 |
| 比率 - 输入:输出： | 1:2 |
| 差分 - 输入:输出： | 是/是 |
| 频率 - 最大： | 2.67GHz |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
MAX3872
Consecutive Identical Digits (CIDs)
The MAX3872 has a low phase and frequency drift in
the absence of data transitions. As a result, long runs of
consecutive zeros and ones can be tolerated while
maintaining a BER better than 10-10. The CID tolerance
is tested using a 213 - 1 PRBS with long runs of ones
and zeros inserted in the pattern. A CID tolerance of
2000 bits is typical.
Exposed Pad (EP) Package
The EP 32-pin QFN incorporates features that provide a
very-low thermal-resistance path for heat removal from
the IC. The pad is electrical ground on the MAX3872
and should be soldered to the circuit board for proper
thermal and electrical performance.
Layout Considerations
For best performance, use good high-frequency layout
techniques. Filter voltage supplies, keep ground con-
nections short, and use multiple vias where possible.
Use controlled-impedance transmission lines to inter-
face with the MAX3872 high-speed inputs and outputs.
Power-supply decoupling should be placed as close to
VCC as possible. To reduce feedthrough, isolate the
input signals from the output signals. If a bare die is
used, mount the back of die to ground (GND) potential.
Multirate Clock and Data Recovery
with Limiting Amplifier
12
______________________________________________________________________________________
32
31
30
29
28
27
26
9
10
11
12
13
14
15
18
19
20
21
22
23
24
7
6
5
4
3
2
1
MAX3872
5mm x 5mm
QFN
TOP VIEW
SDI+
VCC
SDI-
VCC
SLBI+
SLBI-
SIS
8
LREF
GND
V
CTRL
V
REF
CAZ-
CAZ+
V
CC
FREFSET
25
GND
VCC_OUT
SDO+
SDO-
VCC_OUT
SCLKO+
SCLKO-
VCC_VCO
17
RATESET
RS2
RS1
16
GND
VCC_VCO
FIL
GND
LOL
Pin Configuration
SDI+
CAZ-
R1
TTL
R1 + R2
≥ 50kΩ
R2
CAZ+
FREFSET
0.1
μF
SDI-
SLBI-
VREF
SIS
LREF
LOL
155.52MHz
REFERENCE CLOCK
VCTRL
MAX3872
SLBI+
CML
SDO+
SDO-
SCLKO-
0.82
μF
SCLKO+
TIA OUTPUT
(2.488Gbps)
RATESET
RS2
RS1
GND
+3.3V
VCC
+3.3V
VCC_VCO
FIL
+3.3V
MAX3861
AGC AMPLIFIER
Figure 10. Interfacing with the MAX3861 AGC Using Threshold
Adjust
Chip Information
TRANSISTOR COUNT: 5142
PROCESS: SiGe BiPOLAR
SUBSTRATE: SOI
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3872EVKIT | 功能描述:计时器和支持产品 Evaluation Kit for the MAX3872 MAX3874 RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel |
| MAX3873AEGP | 功能描述:计时器和支持产品 2.5/2.7Gbps Clk-Reco & Data-Retiming IC RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel |
| MAX3873AEGP+ | 制造商:Maxim Integrated Products 功能描述:CLOCK RECOVERY 20QFN - Bulk |
| MAX3873AEGP-T | 功能描述:计时器和支持产品 2.5/2.7Gbps Clk-Reco & Data-Retiming IC RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel |
| MAX3873AETP+ | 功能描述:计时器和支持产品 2.5/2.7Gbps Clk-Reco & Data-Retiming IC RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel |
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