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AT-226 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 AT-226
기능 Digital Attenuator/ 4 Bit/ Single Control/ 15 dB 0.5 - 2.0 GHz
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AT-226 데이터시트, 핀배열, 회로
Digital Attenuator, 4 Bit, Single Control, 15 dB 0.5 - 2.0 GHz
AT-226
AT-226
Digital Attenuator, 4 Bit, Single Control, 15 dB
0.5 - 2.0 GHz
Features
Single Control CMOS logic for each bit
Attenuation: 1 dB steps to 15 dB
Low DC Power Consumtion: 50 uW
Low Cost Plastic TSSOP - 16 Package
Description
The M/A-COM AT-226 is a 4 bit, 1 dB step GaAs MMIC digital
attenuator in a low cost TSSOP-16 surface mount plastic package.
The AT-226 is ideally suited for use where high accuracy, very
low power consumption and low intermodulation products are
required. Typical applications include radio, cellular, wireless
LANs, GPS equipment and other gain/level control circuits.
The AT-226 is fabricated using mature 1 micron GaAs MESFET
process. The process features full chip passivation for increased
performance and reliability.
Functional Schematic1,2
Vs
RF1 GND GND GND GND GND GND RF2
P IN 1 6
TSSOP-16
PIN 16
.256
.246
6,5
6,25
PIN 1
.169
4,5 BSC
.201
.193
5,11
4,9
PIN Configuration
Pin No.
1,2,7,8
3
4
5
6
9
10,11,12,13,14,15
16
Function
GND
VC1
VC2
VC3
VC4
RF2
GND
RF1
.037
.033
0,95
0,85
.177
.169
4,5
4,29
Description
RF Ground
Control 1
Control 2
Control 3
Control 4
RF in/out
RF Ground
RF in/out
8
42
1
P IN 1
GND GND VC1 VC2 VC3 VC4 GND GND
1. Required external blocking caps shown
2. VS can be applied at RF1 or RF2 using a 10Kor greater pull-up
resistor.
Truth Table1, 2, 3
VC1
1
1
1
1
0
0
VC2
1
1
1
0
1
0
VC3
1
1
0
1
1
0
VC4
1
0
1
1
1
0
Attenuation (dB)
Reference I.L.
1
2
4
8
15
1. Logic 0 = 0 + 0.2 V
2. Logic 1 = +5 V @ 30 µA max. current total
3. VS = +5 V
M/A-COM Division of AMP Incorporated 3 North America: Tel. (800) 366-2266, Fax (800) 618-8883 3 Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087
3 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks.
Specifications subject to change without notice.
V3.00




AT-226 pdf, 반도체, 판매, 대치품
Digital Attenuator, 4 Bit, Single Control, 15 dB 0.5 - 2.0 GHz
AT-226
M/A-COM Division of AMP Incorporated 3 North America: Tel. (800) 366-2266, Fax (800) 618-8883 3 Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087
3 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks.
Specifications subject to change without notice.
V3.00

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