MAAD-007083-000100
Digital Attenuator,
31.0 dB, 5-Bit, TTL Driver, DC-6.0 GHz
Features
•
•
•
•
•
•
•
•
•
•
•
•
Attenuation: 1.0 dB Steps to 31 dB
High Accuracy to 6 GHz
Small Footprint, JEDEC Package
Integral TTL driver
50 ohm impedance
Test boards are available
Tape and Reel Packaging Available
Lead-Free CSP-1 Package
100% Matte Tin Plating over Copper
Halogen-Free “Green” Mold Compound
260°C Reflow Compatible
RoHS* Compliant Version of AT90-0001
Rev. V4
Functional Schematic
Description
M/A-COM’s MAAD-007083-000100 is a GaAs FET
5-bit digital attenuator with an integral TTL driver.
Step size is 1.0 dB providing 31 dB total attenuation
range. This device is in a 32 lead FQFP-N surface
mount package. Due to superior grounding tech-
niques this digital attenuator offers superior perform-
ance to 6 GHz. The MAAD-007083-000100 is ideally
suited for use where accuracy, fast speed, very low
power consumption and low costs are required.
Pin Configuration
1
Pin No.
1
2
3
4
5
Function
NC
C16
C8
C4
C2
C1
GND
NC
NC
NC
2
GND
RF1
GND
NC
NC
NC
Pin No.
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Function
NC
NC
NC
NC
NC
NC
NC
NC
NC
GND
RF2
GND
NC
2
-Vee
NC
+Vcc
Ordering Information
Part Number
MAAD-007083-000100
MAAD-007083-0001TR
MAAD-007083-0001TB
6
7
Package
Bulk Packaging
1000 piece reel
Sample Test Board
8
9
10
11
12
Note: Reference Application Note M513 for reel size
information.
13
14
15
16
1.
* Restrictions on Hazardous Substances, European Union
Directive 2002/95/EC.
1
2.
The exposed pad centered on the package bottom must be
connected to RF and DC ground. (For PQFN Packages)
Pins 10 and 29 must be isolated.
ADVANCED:
Data Sheets contain information regarding a product M/A-COM Technology Solutions
•
North America
Tel: 800.366.2266 •
Europe
Tel: +353.21.244.6400
is considering for development. Performance is based on target specifications, simulated results,
•
India
Tel: +91.80.4155721
•
China
Tel: +86.21.2407.1588
and/or prototype measurements. Commitment to develop is not guaranteed.
Visit www.macomtech.com for additional data sheets and product information.
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
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.
MAAD-007083-000100
Digital Attenuator,
31.0 dB, 5-Bit, TTL Driver, DC-6.0 GHz
Electrical Specifications: T
A
= 25°C, Z
0
= 50Ω, Vcc = 5.0V, Vee = -5.0V
Parameter
Insertion Loss
Rev. V4
Test Conditions
—
Frequency
DC - 2.0 GHz
DC - 4.0 GHz
DC - 6.0 GHz
DC - 6.0 GHz
DC - 6.0 GHz
DC - 2.0 GHz
DC - 6.0 GHz
50 MHz
0.5 - 6.0 GHz
50 MHz
0.5 - 6.0 GHz
50 MHz
0.5-6.0 GHz
—
—
—
—
—
—
—
—
—
Units
dB
dB
dB
dB
dB
Ratio
Ratio
dBm
dBm
dBm
dBm
dB
dB
V
V
ns
ns
V
V
uA
uA
mA
Min
—
—
—
—
—
—
—
—
—
—
—
—
—
4.75
-8.0
—
—
0.0
2.0
-1.0
—
—
Typ
2.5
3.3
5.0
—
—
1.4:1
1.7:1
+22
+24
+43
+60
+37
+48
5.0
-5.0
25
15
-
-
-
250
—
Max
3.1
3.8
5.8
±(0.3 +4% of atten.)
±(0.3 +5% of atten.)
1.7:1
2.4:1
—
—
—
—
—
—
5.25
-4.75
—
—
0.8
5.0
1.0
400
1.0
Attenuation Accuracy
VSWR
1 dB Compression
Input IP2
Input IP3
Vcc
Vee
Switching Speed
V
IL
V
IH
Iin (Input Leakage Current)
Icc
(Quiescent Supply Current)
ΔIcc
3
(Additional Supply Current
Per TTL Input Pin)
Iee
Thermal Resistance
θjc
3.
1 to 24 dB Bits
25 to 31 dB Bits
Full Range
—
—
Two tone inputs to +5 dBm
Two-tone inputs up to +5 dBm
—
—
50% Cntl to 90%/10% RF
10% to 90% or 90% to 10%
LOW-level input voltage
HIGH-level input voltage
Vin = Vcc or GND
Vcntrl = Vcc or GND
Vcc = Max, Vcntrl = Vcc - 2.1V
Vee min to max, Vin = V
IL
or V
IH
—
—
—
mA
°C/W
-1.0
—
-0.2
15
-
—
The 16 dB bit is connected to two driver input pins, so
ΔIcc
needs to be calculated based on 6 TTL inputs.
Absolute Maximum Ratings
4,5
Parameter
Absolute Maximum
+27 dBm
+34 dBm
-0.5V
≤
Vcc
≤
+7.0V
-8.5V
≤
Vee
≤
+0.5V
-0.5V
≤
Vcc - Vee
≤
14.5V
-0.5V
≤
Vin
≤
Vcc + 0.5V
-40°C to +85°C
-65°C to +125°C
Max. Input Power
0.05 GHz
0.5 - 6.0 GHz
Vcc
Vee
Vcc - Vee
Vin
6
Operating Temperature
Storage Temperature
4.
5.
6.
Truth Table (Digital Attenuator)
C16
0
0
0
0
0
1
1
C8
0
0
0
0
1
0
1
C4
0
0
0
1
0
0
1
C2
0
0
1
0
0
0
1
C1
0
1
0
0
0
0
1
Attenuation
Loss, Reference
1 dB
2 dB
4 dB
8 dB
16 dB
31 dB
0 = TTL Low; 1 = TTL High
2
Exceeding any one or combination of these limits may cause
permanent damage to this device.
M/A-COM does not recommend sustained operation near
these survivability limits.
Standard CMOS TTL interface, latch-up will occur if logic
signal is applied prior to power supply.
ADVANCED:
Data Sheets contain information regarding a product M/A-COM Technology Solutions
•
North America
Tel: 800.366.2266 •
Europe
Tel: +353.21.244.6400
is considering for development. Performance is based on target specifications, simulated results,
•
India
Tel: +91.80.4155721
•
China
Tel: +86.21.2407.1588
and/or prototype measurements. Commitment to develop is not guaranteed.
Visit www.macomtech.com for additional data sheets and product information.
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
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.
MAAD-007083-000100
Digital Attenuator,
31.0 dB, 5-Bit, TTL Driver, DC-6.0 GHz
Handling Procedures
Please observe the following precautions to avoid
damage:
Rev. V4
Recommended PCB Configuration
7
Static Sensitivity
Gallium Arsenide Integrated Circuits are sensitive
to electrostatic discharge (ESD) and can be
damaged by static electricity. Proper ESD control
techniques should be used when handling these
devices.
Moisture Sensitivity
The MSL rating for this part is defined as Level 2
per IPC/JEDEC J-STD-020. Parts shall be stored
and/or baked as required for MSL Level 2 parts.
Typical Performance Curves
Insertion Loss vs. Frequency
+ 8 5 °C
6
+ 2 5 °C
- 4 0 °C
7.
Application Note S2083 is available on line at
www.macom.com
VSWR vs. Frequency
RF2 - 3 1 dB
2.4
2.2
2.0
RF1 - 3 1 dB
R F1 - IL
R F 2 - IL
Insertion Loss (dB)
5
4
VSWR
0.0
1.0
2.0
3.0
4.0
5.0
6.0
3
2
1
0
1.8
1.6
1.4
1.2
1.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Fre que ncy (GHz )
Fre que ncy (GHz )
Accuracy (dB) vs. Frequency
4 dB
0.50
1 dB
2 dB
Accuracy (dB) vs. Frequency
16 d B
1.50
3 1 dB
8 dB
Accuracy (dB)
0.25
0.00
Accuracy (dB)
1.0
2.0
3.0
4.0
5.0
6.0
0.75
0.00
-0.25
-0.50
0.0
-0.75
-1.50
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Fre que ncy (GHz)
3
Fre que ncy (GHz )
ADVANCED:
Data Sheets contain information regarding a product M/A-COM Technology Solutions
•
North America
Tel: 800.366.2266 •
Europe
Tel: +353.21.244.6400
is considering for development. Performance is based on target specifications, simulated results,
•
India
Tel: +91.80.4155721
•
China
Tel: +86.21.2407.1588
and/or prototype measurements. Commitment to develop is not guaranteed.
Visit www.macomtech.com for additional data sheets and product information.
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
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.
MAAD-007083-000100
Digital Attenuator,
31.0 dB, 5-Bit, TTL Driver, DC-6.0 GHz
Rev. V4
CSP-1, Lead-Free
4 x 6 mm, 32-lead
PQFN
†
†
Reference Application Note M538 for lead-free solder reflow
recommendations.
4
ADVANCED:
Data Sheets contain information regarding a product M/A-COM Technology Solutions
•
North America
Tel: 800.366.2266 •
Europe
Tel: +353.21.244.6400
is considering for development. Performance is based on target specifications, simulated results,
•
India
Tel: +91.80.4155721
•
China
Tel: +86.21.2407.1588
and/or prototype measurements. Commitment to develop is not guaranteed.
Visit www.macomtech.com for additional data sheets and product information.
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
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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