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MAX3822D PDF预览

MAX3822D

更新时间: 2024-11-13 04:41:59
品牌 Logo 应用领域
美信 - MAXIM 放大器
页数 文件大小 规格书
14页 1465K
描述
+3.3V, 2.5Gbps Quad Limiting Amplifier

MAX3822D 数据手册

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19-2144; Rev 1; 7/04  
+3.3V, 2.5Gbps Quad Limiting Amplifier  
General Description  
Features  
The MAX3822 quad limiting amplifier is ideal for multi-  
channel systems with data rates up to 2.5Gbps. The  
MAX3822 operates from a single +3.3V supply, over  
temperatures ranging from 0°C to +85°C. A channel-  
select (CS) pin is provided to program single-, dual-, or  
quad-channel operation. The disabled channels are  
shut down to reduce power consumption. The output  
interface for all four channels is CML.  
o Single +3.3V Supply  
o Single-, Dual-, or Quad-Channel Operation at  
2.5Gbps  
o 700mW Total Power Dissipation (Quad-Channel  
Operation)  
o 120ps Maximum Output Edge Speed  
o Overall and Individual Channel Loss-of-Power  
(LOP) Indicator  
The input can be driven from 20mVp-p to 1000mVp-p  
differentially. The threshold voltage control is common  
for all four channels and is programmable by an exter-  
nal resistor. Four separate power detectors are incorpo-  
rated to monitor the received signal level for each  
channel. Individual TTL-compatible loss-of-power (LOP)  
indicators assert low if the channel signal input is below  
the programmed threshold. Typically 4dB LOP hystere-  
sis (2dB optical) is provided to prevent chattering when  
the input signal level is close to the threshold. A general  
LOP indicator is also provided which asserts low if one  
or more of the four inputs is in the LOP condition.  
o Differential CML Outputs with On-Chip Back  
Termination Resistors  
o 30ps Maximum Deterministic Jitter  
o 2ps Random Jitter  
o Power-Down Feature Shuts Down Unused  
Channels  
o Operating Temperature Range: 0°C to +85°C  
Ordering Information  
PART  
TEMP RANGE  
0°C to +85°C  
0°C to +85°C  
0°C to +85°C  
PIN-PACKAGE  
48 TQFP-EP*  
48 TQFP-EP*  
Dice**  
Applications  
MAX3822UCM  
MAX3822UCM+  
MAX3822U/D  
Optical System Interconnects  
Multichannel Receiver Modules  
Dense Digital Cross-Connects  
ATM Switch Networks  
*Exposed pad.  
**Contact factory for availability. Dice are designed to operate  
from T = 0°C to T = +85°C, but are tested and guaranteed  
A
A
High-Speed Parallel Links  
only at T = +25°C.  
A
+Denotes lead-free package.  
Pin Configuration  
TOP VIEW  
Typical Operating Circuit appears at end of data sheet.  
IN1+  
IN1-  
1
2
36 OUT1+  
35 OUT1-  
V
CC  
3
34  
V
CC  
IN2+  
IN2-  
4
33 OUT2+  
32 OUT2-  
5
V
V
6
31  
30  
V
V
CC  
CC  
CC  
CC  
MAX3822  
7
IN3+  
IN3-  
8
29 OUT3+  
28 OUT3-  
9
V
10  
27  
V
CC  
CC  
IN4+ 11  
IN4- 12  
26 OUT4+  
25 OUT4-  
TQFP-EP  
________________________________________________________________ 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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