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| 型号： | MAX3873AETP+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC RECOV/RETIME 2.5GBPS 20TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 75 |
| 类型： | 时钟和数据恢复（CDR） |
| PLL： | 是 |
| 主要目的： | 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： | 2.67Gbps |
| 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： | 20-WFQFN 裸露焊盘 |
| 供应商设备封装： | 20-TQFN-EP（4x4） |
| 包装： | 管件 |
General Description
The MAX3873A is a compact, low-power 2.488Gbps/
2.67Gbps clock-recovery and data-retiming IC for
SDH/SONET applications. The phase-locked loop (PLL)
recovers a synchronous clock signal from the serial NRZ
data input. The input data is then retimed by this recov-
ered clock, providing a clean data output. The MAX3873A
meets all SDH/SONET jitter specifications, does not
require an external reference clock to aid in frequency
acquisition, and provides excellent tolerance to both
deterministic and sinusoidal jitter. The MAX3873A pro-
vides a PLL loss-of-lock (LOL) output to indicate whether
the CDR is in lock. The recovered data and clock outputs
are CML with on-chip 50
Ω back terminations on each line.
The clock output can be powered down if not used.
The MAX3873A is implemented in Maxim’s second-gener-
ation SiGe process and consumes only 260mW at 3.3V
supply (output clock disabled, low output swing). The
device is available in a 4mm x 4mm 20-pin QFN
exposed-pad package and operates from -40°C to +85°C.
Applications
Switch Matrix Backplanes
SDH/SONET Receivers and Regenerators
Add/Drop Multiplexers
Digital Cross-Connects
SDH/SONET Test Equipment
DWDM Transmission Systems
Features
Fully Integrated Clock Recovery and Data
Retiming
Power Dissipation: 260mW with +3.3V Supply
Clock Jitter Generation: 5mUIRMS
Exceeds ANSI, ITU, and Bellcore SDH/SONET
Jitter Specifications
Differential Input Range: 50mVP-P to 1.6VP-P
Single +3.3V Power Supply
PLL Fast Track (FASTRACK) Mode Available
Clock Output Can Be Disabled
Input Data Rate: 2.488Gbps or 2.67Gbps
Selectable Output Amplitude
Tolerates 2000 Consecutive Identical Digits
Loss-of-Lock Indicator
Differential CML Data and Clock Outputs
Operating Temperature Range: -40°C to +85°C
MAX3873A
Low-Power, Compact 2.5Gbps/2.7Gbps
Clock-Recovery and Data-Retiming IC
________________________________________________________________
Maxim Integrated Products
1
19-2577; Rev 2; 5/07
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
EVALUATION
KIT
AVAILABLE
Ordering Information
Typical Application Circuit appears at end of data sheet.
Pin Configuration
PART
TEMP RANGE
PIN-
PACKAGE
PKG
CODE
MAX3873AEGP
-40°C to +85°C
20 QFN
(4mm x 4mm)
G2044-3
MAX3873AETP+
-40°C to +85°C
20 TQFN
(4mm x 4mm)
T2044-3
20
19
18
17
16
GND
FIL+
FIL-
GND
LOL
6
7
8
9
10
V
CC
FASTRACK
VCC_VCO
MODE
SCLKEN
11
12
13
14
15
**NOTE: THE EXPOSED PAD MUST BE
SOLDERED TO THE SUPPLY GROUND.
SCLKO-
SCLKO+
VCC_BUF
SDO-
SDO+
5
4
3
2
1
VCC
SDI-
SDI+
VCC
RATESET
MAX3873A
QFN/TQFN**
TOP VIEW
+
Denotes lead-free package.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| MAX3873AETP+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 |
| MAX3873AEVKIT | 功能描述:计时器和支持产品 Evaluation Kit for the MAX3873A 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 |
| MAX3873EGP | 功能描述:计时器和支持产品 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 |
| MAX3873EGP-T | 功能描述:计时器和支持产品 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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