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MAX3968CD

更新时间： 2024-02-26 00:48:40
品牌 Logo 应用领域
美信 - MAXIM 放大器
页数 文件大小 规格书
12页 808K
描述
+3.0V to +5.5V, 125Mbps to 266Mbps Limiting Amplifiers with Loss-of-Signal Detector

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MAX3968CD 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：QSOP包装说明：SSOP,
针数：20Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.7
JESD-30 代码：R-PDSO-G20JESD-609代码：e3
长度：8.65 mm湿度敏感等级：1
功能数量：1端子数量：20
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.73 mm标称供电电压：3.3 V
表面贴装：YES电信集成电路类型：TELECOM CIRCUIT
温度等级：COMMERCIAL端子面层：TIN
端子形式：GULL WING端子节距：0.635 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

MAX3968CD 数据手册

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19-1314; Rev 3; 9/04  
+3.0V to +5.5V, 125Mbps to 266Mbps  
Limiting Amplifiers with Loss-of-Signal Detector  
General Description  
Features  
The MAX3969 is a recommended upgrade for the  
MAX3964, MAX3965, and MAX3968. The MAX3964A lim-  
♦ Single Supply: +3.0V to +5.5V  
♦ 2mV Input Sensitivity  
P-P  
iting amplifier, with 2mV  
input sensitivity and PECL  
P-P  
♦ 1.2ns Output Edge Speed  
data outputs, is ideal for low-cost ATM, FDDI, and Fast  
Ethernet fiber optic applications.  
♦ Loss-of-Signal Detector with Programmable  
Threshold  
♦ Analog Received-Signal-Strength Indicator  
The MAX3964A features an integrated power detector  
that senses the input-signal power. It provides a  
received-signal-strength indicator (RSSI), which is an  
analog indication of the power level and complementary  
PECL loss-of-signal (LOS) outputs, which indicate when  
the power level drops below a programmable threshold.  
The threshold can be adjusted to detect signal ampli-  
♦ Output Squelch Function  
♦ Choice of TTL or PECL LOS Outputs  
♦ Compatible with 4B/5B Data Coding  
tudes as low as 2.7mV . An optional squelch function  
P-P  
disables switching of the data outputs by holding them at  
a known state during an LOS condition.  
The MAX3965 provides the same functionality, but offers  
TTL-compatible LOS outputs. The MAX3968 provides the  
same functionality as the MAX3964A, but has data-output  
edge speed suitable for ESCON and 266Mbps fibre  
channel applications.  
The MAX3964A/MAX3965/MAX3968 are available in die  
form, as tested wafers, and in 20-pin QSOP packages.  
The MAX3964AETP is available in a 20-pin thin QFN  
package.  
Ordering Information  
PART  
TEMP RANGE  
0oC to +70oC  
0oC to +70oC  
0oC to +70oC  
-40oC to +85oC  
-40oC to +85oC  
0oC to +70oC  
0oC to +70oC  
0oC to +70oC  
0oC to +70oC  
0oC to +70oC  
0oC to +70oC  
PIN-PACKAGE  
MAX3964CEP  
MAX3964C/D  
MAX3964C/DW  
MAX3964AETP  
MAX3964AC/D  
MAX3965CEP  
MAX3965C/D  
MAX3965C/DW  
MAX3968CEP  
MAX3968C/D  
MAX3968C/DW  
20 QSOP  
Dice*  
Wafers*  
20 Thin QFN**  
Dice*  
20 QSOP  
Dice*  
Wafers*  
20 QSOP  
Dice*  
Applications  
125Mbps FDDI Receivers  
155Mbps LAN ATM Receivers  
Fast Ethernet Receivers  
ESCON Receivers  
Wafers*  
*Dice and wafers are designed to operate over a 0°C to +100°C  
junction temperature (Tj) range, but are tested and guaranteed  
155Mbps FTTx Receivers  
only at T = +25°C.  
A
Pin Configurations appear at end of data sheet.  
Selector Guide appears at end of data sheet.  
**Package Code: T2044-1  
Typical Operating Circuit  
C
27nF  
AZ  
V
CC  
CZP  
V
CC  
LOS TERMINATIONS  
ARE USED ONLY  
FOR THE MAX3964  
AND MAX3968  
CZN  
FILTER  
10nF  
10nF  
RSSI  
V
CC  
FILTER  
SQUELCH  
LOS+  
V
CC0  
V
CC  
V
CC  
C
10nF  
IN  
LOS-  
MAX3964A  
50Ω  
50Ω  
PHOTODIODE  
MAX3965  
MAX3968  
155Mbps  
TIA  
OUT-  
OUT-  
OUT+  
IN-  
IN+  
OUT+  
SUB*  
GND  
50Ω  
C
10nF  
IN  
IN  
50Ω  
GND  
GNDO  
INV  
V
R1  
≥100k  
TH  
(MAX3965 ONLY)  
V
CC  
- 2V  
*PIN NOT AVAILABLE ON MAX3964AETP.  
R2  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
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