AT-280PIN
器件描述：Digital Attenuator, 15.5 dB, 5-Bit DC - 2 GHz
器件厂商：MACOM [Tyco Electronics]
厂商主页：http://www.macom.com
文件大小：96.7KB，共2页
Sponsor by e络盟器件资料摘要：
V 2.00
O rdering Info r m a t i o n
* If specific reel size is required, consult factory for part number assignment.
Digital Attenuator, 15.5 dB, 5-Bit
DC - 2 GHz AT-280
Parameter Test Conditions2 Unit Min. Typ. Max
Reference DC – 0.1 GHz dB 1.1 1.3
Insertion DC – 0.5 GHz dB 1.3 1.5
Loss DC – 1.0 GHz dB 1.5 1.8
DC – 2.0 GHz dB 1.8 2.0
Attenuation Accuracy2 DC – 1.0 GHz ± (0.20 dB + 3% of Atten. Setting in dB) dB
DC – 2.0 GHz ± (0.30 dB + 3% of Atten. Setting in dB) dB
VSWR (any state) 1.5:1 1.8:1
Trise, Tfall 10% to 90% RF, 90% to 10% RF nS 12
Ton, Toff 50% Control to 90% RF, 50% Control to 10% RF nS 18
Transients In Band mV 30
One dB Input Power 0.05 GHz dBm 22
Compression Input Power 0.5 – 2.0 GHz dBm 27
IP2 Measured Relative 0.05 GHz dBm 53
to Input Power 0.5 – 2.0 GHz dBm 68
(for two-tone input power up to +5 dBm)
IP3 Measured Relative 0.05 GHz dBm 40
to Input Power 0.5 – 2.0 GHz dBm 45
(for two-tone input power up to +5 dBm)
S O - 1 6
1. All measurements at 1 GHz in a 50Ω system, unless otherwise specified.
2. Attenuation accuracy specifications apply with negative bias control and low inductance grounding.
F e a t u r e s
Attenuation: 0.5-dB Steps to 15.5 dB
Te m p e r a t u re Stability: ± 0.15 dB from -40°C to
+85°C Ty p i c a l
Ultra Low DC Power Consumption
Low Intermodulation Products, IP3: 45 dBm
Tape and Reel Packaging Av a i l a b l e
D e s c r i p t i o n
M/A-COM's AT-280 is a 5-bit, 0.5 dB-step GaAs MMIC
digital attenuator in a low cost SOIC 16-lead surface mount
plastic package. The AT-280 is ideally suited for use where
high accuracy, fast switching, very low power consumption
and low intermodulation products are re q u i red at a low
cost. Typical applications include radio and cellular
equipment, wireless LANS, GPS equipment and other
Gain/Level Control circ u i t s .
The AT-280 is fabricated with a monolithic GaAs MMIC
using a mature 1-micron process. The process features full
chip passivation for increased perf o rmance and re l i a b i l i t y .
Part Number Package
AT-280 PIN SOIC 16-Lead
AT-280TR Forward Tape & Reel*
AT-280RTR Reverse Tape & Reel*
l
l
l
l
l
Electrical Specifications, TA = 25°C
O rdering Info r m a t i o n
* If specific reel size is required, consult factory for part number assignment.
Digital Attenuator, 15.5 dB, 5-Bit
DC - 2 GHz AT-280
Parameter Test Conditions2 Unit Min. Typ. Max
Reference DC – 0.1 GHz dB 1.1 1.3
Insertion DC – 0.5 GHz dB 1.3 1.5
Loss DC – 1.0 GHz dB 1.5 1.8
DC – 2.0 GHz dB 1.8 2.0
Attenuation Accuracy2 DC – 1.0 GHz ± (0.20 dB + 3% of Atten. Setting in dB) dB
DC – 2.0 GHz ± (0.30 dB + 3% of Atten. Setting in dB) dB
VSWR (any state) 1.5:1 1.8:1
Trise, Tfall 10% to 90% RF, 90% to 10% RF nS 12
Ton, Toff 50% Control to 90% RF, 50% Control to 10% RF nS 18
Transients In Band mV 30
One dB Input Power 0.05 GHz dBm 22
Compression Input Power 0.5 – 2.0 GHz dBm 27
IP2 Measured Relative 0.05 GHz dBm 53
to Input Power 0.5 – 2.0 GHz dBm 68
(for two-tone input power up to +5 dBm)
IP3 Measured Relative 0.05 GHz dBm 40
to Input Power 0.5 – 2.0 GHz dBm 45
(for two-tone input power up to +5 dBm)
S O - 1 6
1. All measurements at 1 GHz in a 50Ω system, unless otherwise specified.
2. Attenuation accuracy specifications apply with negative bias control and low inductance grounding.
F e a t u r e s
Attenuation: 0.5-dB Steps to 15.5 dB
Te m p e r a t u re Stability: ± 0.15 dB from -40°C to
+85°C Ty p i c a l
Ultra Low DC Power Consumption
Low Intermodulation Products, IP3: 45 dBm
Tape and Reel Packaging Av a i l a b l e
D e s c r i p t i o n
M/A-COM's AT-280 is a 5-bit, 0.5 dB-step GaAs MMIC
digital attenuator in a low cost SOIC 16-lead surface mount
plastic package. The AT-280 is ideally suited for use where
high accuracy, fast switching, very low power consumption
and low intermodulation products are re q u i red at a low
cost. Typical applications include radio and cellular
equipment, wireless LANS, GPS equipment and other
Gain/Level Control circ u i t s .
The AT-280 is fabricated with a monolithic GaAs MMIC
using a mature 1-micron process. The process features full
chip passivation for increased perf o rmance and re l i a b i l i t y .
Part Number Package
AT-280 PIN SOIC 16-Lead
AT-280TR Forward Tape & Reel*
AT-280RTR Reverse Tape & Reel*
l
l
l
l
l
Electrical Specifications, TA = 25°C