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AT-230 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 AT-230
기능 Digital Attenuator/ 28 dB/ 3-Bit DC - 2 GHz
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AT-230 데이터시트, 핀배열, 회로
Digital Attenuator, 28 dB, 3-Bit
DC - 2 GHz
AT-230
Features
q Attenuation 4-dB Steps to 28 dB
q High Accuracy +/- 3%
q Low DC Power Consumption: 50 µW
q Low Intermodulation Product: +50 dBm IP3
q Temperature Range: -40˚C to +85˚C
q Low Cost SOIC14 Plastic Package
q Tape and Reel Packaging Available1
Description
M/A-COM’s AT-230 is a 3-bit, 4-dB step GaAs MMIC
digital attenuator in a low cost SOIC 14-lead surface
mount plastic package. The AT-230 is ideally suited for
use where high accuracy, fast switching, very low power
consumption and low intermodulation products are
required. Typical applications include radio and cellular
equipment, wireless LANs, GPS equipment and other
Gain/Level Control circuits.
The AT-230 is fabricated with a monolithic GaAs MMIC
using a mature 1-micron process. The process features full
chip passivation for increased performance and reliability.
SO-14
Pin #14
Orientation
Mark
.1497-.1574
(3.80-4.00)
.2284-.2440
(5.80-6.20)
-B- .010(0.25) M B M
Pin #1
.3357-.3444
(8.55-8.75)
-A-
.0532-.0688
(1.35-1.75)
.0099-.0196 x 45° Chamfer
(0.25-0.50)
-C- 0°-8°
0.050(1.27) BSC.
.013-.020 TYP
(0.33-0.51)
.0040-.0098
(0.10-0.25)
.016-.050 .0075-.0098
(0.40-1.27) (0.19-0.25)
.010(0.25) M C A M B S
14-Lead SOP outline dimensions
Narrow body .150
(All dimensions per JEDEC No. MS-012-AB, Issue C)
Dimensions in ( ) are in mm.
Ordering Information
Part Number
AT-230 PIN
AT-230TR
AT-230RTR
Package
SOIC 14-Lead Plastic
Forward Tape & Reel
Reverse Tape & Reel
Electrical Specifications1, TA = +25°C
* If specific reel size is required, consult factory for part
number assignment.
Parameter
Reference Insertion Loss
Attenuation Accuracy
VSWR
Trise, Tfall
Ton, Toff
Transients
1 dB
Compression
IP2
IP3
Test Conditions
DC – 0.1 GHz
DC – 0.5 GHz
DC – 1.0 GHz
DC – 2.0 GHz
DC – 1.0 GHz
DC – 2.0 GHz
10% to 90% RF, 90% to 10% RF
50% Control to 90% RF, 50% Control to 10% RF
In Band
Input Power
Input Power
0.05 GHz
0.5 – 2.0 GHz
Measured Relative
to Input Power
(for two-tone input power up to +5 dBm)
0.05 GHz
0.5 – 2.0 GHz
Measured Relative
to Input Power
(for two-tone input power up to +5 dBm)
0.05 GHz
0.5 – 2.0 GHz
Unit Min. Typ. Max
dB 1.2 1.4
dB 1.5 1.7
dB 1.6 1.8
dB 1.8 2.1
± (0.15 dB +3% of Attenuation Setting in dB) dB
± (0.30 dB +3% of Attenuation Setting in dB) dB
1.2:1
nS 12
nS 18
mV 25
dBm
dBm
20
28
dBm
dBm
45
68
dBm
dBm
40
50
1. All measurements at 1 GHz in a 50system, unless otherwise specified.
Specifications Subject to Change Without Notice.
M/A-COM, Inc.
s 1011 Pawtucket Boulevard, Lowell, MA 01853 USA
V2.0
s Telephone: 800-366-2266






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