MAADSS0008-V2_15 [TE]
Digital Attenuator;
| 型号： | MAADSS0008-V2_15 |
| 厂家： | 
TE CONNECTIVITY |
| 描述： | Digital Attenuator |
| 文件： | 总3页 (文件大小：788K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MAADSS0008
Digital Attenuator, 1-Bit, 15 dB
DC - 2.0 GHz
Rev. V2
Features
Functional Schematic
Single 15-dB Step
Low Loss, 0.3 dB Typical @ 900 MHz
2.5 to 5.0 Volt Operation
Tape and Reel Packaging Available
Lead-Free SOT-25 Package
100% Matte Tin Plating over Copper
Halogen-Free “Green” Mold Compound
260°C Reflow Compatible
5
4
RoHS* Compliant Version of AT-267
Description
M/A-COM’s MAADSS0008 is a 1-bit, 15-dB step
GaAs MMIC digital attenuator in a lead-free SOT-25,
5 lead surface mount plastic package.
The
MAADSS0008 is ideally suited for use where high
accuracy, very low power consumption and low
intermodulation products are required.
1
2
3
Typical applications include wireless handsets, base
stations, wireless LAN equipment, GPS receivers
and any RF applications with automatic gain/level
control circuits.
Pin Configuration
Pin No.
Function
RF1
Pin No.
Function
The MAADSS0008 is fabricated as a monolithic
GaAs integrated circuit using a mature PHEMT
process. The process features full chip passivation
for performance and reliability.
1
2
3
4
5
V1
V2
Ground
RF2
Absolute Maximum Ratings 2,3
Ordering Information 1
Part Number
MAADSS0008TR
Package
Parameter
Input Power
Absolute Maximum
+21 dBm
1000 piece reel
3000 piece reel
Sample Board
Control Voltage
VC 8V
MAADSS0008TR-3000
MAADSS0008SMB
Operating Temperature
Storage Temperature
-40°C to +85°C
-65°C to +150°C
1. Reference Application Note M513 for reel size information.
2. Exceeding any one or combination of these limits may cause
permanent damage to this device.
3. M/A-COM does not recommend sustained operation near
these survivability limits.
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
1
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
is considering for development. Performance is based on target specifications, simulated results,
and/or prototype measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400
• India Tel: +91.80.43537383
• China Tel: +86.21.2407.1588
Visit www.macomtech.com for additional data sheets and product information.
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
MAADSS0008
Digital Attenuator, 1-Bit, 15 dB
DC - 2.0 GHz
Rev. V2
Electrical Specifications4: TA = 25°C, VC = +2.5 Volts, Z0 = 50 Ω
Parameter
Test Conditions
Units
Min
Typ
Max
Insertion Loss
(Reference State)
1.0 GHz
2.0 GHz
dB
dB
—
—
0.3
0.4
0.4
0.5
1.0 GHz
2.0 GHz
dB
dB
14.6
14.4
15.1
14.9
15.6
15.4
Attenuation
VSWR
1.0 GHz
2.0 GHz
Ratio
Ratio
—
—
1.2:1
1.3:1
—
—
1.0 GHz
Insertion Loss State
Attenuation State
dBm
dBm
40
40
50
50
—
—
Input IP3
P1dB
1.0 GHz
Insertion Loss State
Attenuation State
dBm
dBm
24
20
26
23
—
—
Control Current
Trise, Tfall
—
µA
nS
—
—
—
10
10% to 90% RF, 90% to 10% RF
29
—
50% Control to 90% RF,
50% Control to 10% RF
Ton, Toff
nS
—
—
50
10
—
—
Transients
In-band
mV
4. For positive voltage control, external DC blocking capacitors are required on all RF ports (pins 1, 2 and 3).
Lead-Free SOT-25†
Positive Control Voltage Schematic
5
4
1
2
3
† Reference Application Note M538 for lead-free solder reflow
recommendations.
39 pF
39 pF
39 pF
Truth Table 5,6
Mode
V1
V2
Attenuation
(Control)
Positive 5
0 ± 0.2V
+2.5V to +5V
+2.5V to +5V
0 ± 0.2V
15 dB
Reference State
Negative 6
0 ± 0.2V
-2.5V to -5V
-2.5V to -5V
0 ± 0.2V
Reference State
15 dB
5. External DC blocking capacitors are required as noted.
6. If negative control is used, DC blocking capacitors are not
required on RF ports and ground.
2
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
is considering for development. Performance is based on target specifications, simulated results,
and/or prototype measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400
• India Tel: +91.80.43537383 • China Tel: +86.21.2407.1588
Visit www.macomtech.com for additional data sheets and product information.
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
MAADSS0008
Digital Attenuator, 1-Bit, 15 dB
DC - 2.0 GHz
Rev. V2
Typical Performance Curves
Insertion Loss with Negative Control
Insertion Loss with Positive Control
Attenuation with Positive Control
Attenuation with Negative Control
VSWR, 0 and 15 dB States with Negative Control at
+25°C
VSWR, 0 and 15 dB States with Positive Control at
+25°C
3
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
is considering for development. Performance is based on target specifications, simulated results,
and/or prototype measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400
• India Tel: +91.80.43537383
• China Tel: +86.21.2407.1588
Visit www.macomtech.com for additional data sheets and product information.
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
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