参数资料
型号: MAX3872ETJ+
厂商: Maxim Integrated Products
文件页数: 13/15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: 60
类型: 时钟和数据恢复(CDR),多路复用器
PLL:
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: 托盘 - 晶粒
MAX3872
Multirate Clock and Data Recovery
with Limiting Amplifier
_______________________________________________________________________________________
7
Pin Description
PIN
NAME
FUNCTION
1, 4, 27
VCC
+3.3V Supply Voltage
2
SDI+
Positive Serial Data Input, CML
3
SDI-
Negative Serial Data Input, CML
5
SLBI+
Positive System Loopback Input or Reference Clock Input, CML
6
SLBI-
Negative System Loopback Input or Reference Clock Input, CML
7
SIS
Signal Selection Input, LVTTL. Set low for normal operation, set high for system loopback.
8
LREF
Lock to Reference Clock Input, LVTTL. Set high for PLL lock to serial data, set low for PLL lock to
reference clock.
9
LOL
Loss-of-Lock Output, LVTTL. Active low.
10, 11, 16,
25, 32
GND
Supply Ground
12
FIL
PLL Loop Filter Capacitor Input. Connect a 0.82F capacitor between FIL and VCC_VCO.
13, 18
VCC_VCO
+3.3V Supply Voltage for the VCO
14
RS1
Multirate Select Input 1, LVTTL (Table 2)
15
RS2
Multirate Select Input 2, LVTTL (Table 2)
17
RATESET
VCO Frequency Select Input, LVTTL (Table 2)
19
SCLKO-
Negative Serial Clock Output, CML
20
SCLKO+
Positive Serial Clock Output, CML
21, 24
VCC_OUT
+3.3V Supply Voltage for the CML Outputs
22
SDO-
Negative Serial Data Output, CML
23
SDO+
Positive Serial Data Output, CML
26
FREFSET
Reference Clock Frequency Select Input, LVTTL (Tables 2 and 3)
28
CAZ+
Positive Capacitor Input for DC-Offset Cancellation Loop. Connect a 0.1F capacitor between CAZ+
and CAZ-.
29
CAZ-
Negative Capacitor Input for DC-Offset Cancellation Loop. Connect a 0.1F capacitor between CAZ+
and CAZ-.
30
VREF
+2.2V Bandgap Reference Voltage Output. Optionally used for threshold adjustment.
31
VCTRL
Analog Control Input for Threshold Adjustment. Connect to VCC to disable threshold adjust.
EP
Exposed
Pad
Ground. The exposed pad must be soldered to the circuit board ground for proper thermal and
electrical performance.
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MAX3872ETJ+ 功能描述:计时器和支持产品 Multirate Clock & Data Recovery 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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