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MAAM-011186 PDF预览

MAAM-011186

更新时间: 2024-11-06 01:06:15
品牌 Logo 应用领域
泰科 - TE 有线电视
页数 文件大小 规格书
13页 1223K
描述
Differential CATV Variable Gain Amplifier

MAAM-011186 数据手册

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MAAM-011186  
Differential CATV Variable Gain Amplifier  
5 - 300 MHz  
Rev. V2  
Features  
Functional Schematic  
39 dB Gain  
31.5 dB, 0.5 dB steps, 6 Bit Digital Step  
Attenuator  
48  
1
CMOS Control  
36 dB MER, 64 QAM 39 Channels, 52 dBmV/ch.  
8 V or 5 V Operation  
3 dB Noise Figure  
Serial or Parallel Attenuator Control  
Differential Input and Output  
Low Harmonics  
3
4
34  
33  
7
8
30  
29  
Power Down Mode  
Lead-Free 7 mm 48-Lead PQFN  
Halogen-Free “Green” Mold Compound  
RoHS* Compliant  
11  
12  
26  
25  
Description  
Pin Configuration3  
The MAAM-011186 is an integrated 2 stage  
differential amplifier with embedded digital step  
attenuator (DSA) assembled in a lead-free 7 mm  
48-lead PQFN package.  
Pin  
Pin  
No.  
Description  
No.  
Description  
1
3
Latch Enable  
30  
32  
33  
Stage 2 Output (+)  
Stage 2 Feedback (+)  
Stage 2 Input (+)  
This amplifier provides excellent linearity and high  
output power with greater than 30 dB MER for  
64 QAM modulation with 39 channels and 52 dBmV  
per channel. Gain in the minimum attenuation state  
is typically 39 dB. The internal DSA offers 31.5 dB  
attenuation range with 0.5 dB steps. This device is  
optimized for high output power and low current from  
8 V bias but can also be operated from 5 V bias with  
flexibility to adjust DC current with external  
components. The module provides a power down  
function for each of the amplifier stages.  
Attenuator Input (+)  
Stage 1 Output (+)  
4
6
Stage 1 Feedback (+) 34  
Attenuator Output (+)  
DSA Serial Output  
Power Up Select 2  
Power Up Select 1  
VDD CMOS Controller  
7
Stage 1 Input (+)  
Stage 1 Input (-)  
36  
37  
8
9
Stage 1 Feedback (-) 38  
11  
12  
16  
Stage 1 Output (-)  
Attenuator Input (-)  
Enable Stage 1  
39  
40 Attenuator Bit 5 (16 dB)  
41  
Attenuator Bit 4 (8 dB)  
Attenuator Bit 3 (4 dB)  
Attenuator Bit 2 (2 dB)  
Attenuator Bit 1 (1 dB)  
This amplifier is ideally suited for use in CATV  
reverse path applications.  
18 Stage 1 Bias Voltage 42  
19 Stage 2 Bias Voltage 43  
Ordering Information1,2  
21  
Enable Stage 2  
44  
25 Attenuator Output (-) 45 Attenuator Bit 0 (0.5 dB)  
Part Number  
Package  
26  
Stage 2 Input (-)  
46  
Parallel/Serial Select  
Clock  
MAAM-011186-TR1000  
MAAM-011186-TR3000  
1000 piece reel  
3000 piece reel  
27 Stage 2 Feedback (-) 47  
29  
Stage 2 Output (-)  
48  
49  
Serial Input  
RF and DC Ground4  
MAAM-011186-001SMB  
MAAM-011186-002SMB  
Sample Test Board, 8 V  
Sample Test Board, 5 V  
3. All pins not listed in the table are “No Connection” and should  
be left unconnected.  
4. The exposed pad centered on the package bottom must be  
connected to RF and DC ground.  
1. Reference Application Note M513 for reel size information.  
2. All sample boards include 5 loose parts.  
* Restrictions on Hazardous Substances, European Union Directive 2011/65/EU.  
1
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.  
Visit www.macom.com for additional data sheets and product information.  
For further information and support please visit:  
https://www.macom.com/support  

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