MAATCC0011
Digital Attenuator
31.5 dB, 6-Bit, TTL Driver, DC-4.0 GHz
Features
•
•
•
•
•
•
•
•
•
•
•
•
Attenuation: 0.5 dB Steps to 31.5 dB
Single Positive Supply
Contains internal DC to DC converter
Low DC Power Consumption
Small Footprint, JEDEC Package
Integral TTL Driver
50 ohm Impedance
Lead-Free CSP-1 Package
100% Matte Tin Plating over Copper
Halogen-Free “Green” Mold Compound
260°C Reflow Compatible
RoHS* Compliant Version of AT90-1107
Rev. V5
Schematic with Off-Chip Components
Description
M/A-COM's MAATCC0011 is a GaAs FET 6-bit
digital attenuator with integral TTL driver. Step size
is 0.5 dB providing a 31.5 dB total attenuation range.
This device is in an PQFN plastic surface mount
package. The MAATCC0011 is ideally suited for use
where accuracy, fast speed, very low power
consumption and low costs are required. For dual
supply designs without switching noise, use
MAATCC0009.
.
Pin Configuration
3
Pin No.
1
2
3
4
Function
C8
C4
C2
C1
C0.5
C16
GND
NC
NC
NC
1
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
Vcc
NC
Cp
NC
Cp
NC
V
EE2
GND
RF2
GND
NC
1
V
EE2
NC
Vcc
Ordering Information
Part Number
MAATCC0011
MAATCC0011TR
MAATCC0011-TB
5
6
7
Package
Bulk Packaging
1000 piece reel
Sample Test Board
8
9
10
11
12
13
14
15
16
Note: Reference Application Note M513 for reel size
information.
* Restrictions on Hazardous Substances, European Union
Directive 2002/95/EC.
1
1. Pins 10 and 29 must be isolated.
2. V
EE
is produced internally and requires a .1 µF cap to GND.
Generated noise is typical of switching DC-DC Converters.
3. The exposed pad centered on the package bottom must be
connected to RF and DC ground. (For PQFN Packages)
ADVANCED:
Data Sheets contain information regarding a product M/A-COM Technology Solutions
•
North America
Tel: 800.366.2266 / Fax: 978.366.2266
is considering for development. Performance is based on target specifications, simulated results,
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
and/or prototype measurements. Commitment to develop is not guaranteed.
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Visit www.macomtech.com for additional data sheets and product information.
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.
MAATCC0011
Digital Attenuator
31.5 dB, 6-Bit, TTL Driver, DC-4.0 GHz
Electrical Specifications: T
A
= +25°C
Parameter
Insertion Loss
Attenuation Accuracy
Rev. V5
Test Conditions
—
Individual Bits 0.5-1-2-4-8-16 dB
Any Combination of Bits
1 to 31.5 dB
Full Range
50% Cntl to 90%/10% RF
10% to 90% or 90% to 10%
—
—
Two-tone inputs up to +5 dBm
—
LOW-level input voltage
HIGH-level input voltage
Vin = V
CC
or GND
Vcc min to max, Logic “0” or “1”
For guaranteed start-up
V
CC
= Max, Vcntrl = V
CC
- 2.1 V
Frequency
DC - 4.0 GHz
DC - 4.0 GHz
DC - 4.0 GHz
DC - 4.0 GHz
—
—
50 MHz
0.5 - 4.0 GHz
50 MHz
0.5-4.0 GHz
—
—
—
—
—
—
—
Units
dB
dB
dB
Ratio
nS
nS
dBm
dBm
dBm
dBm
V
V
V
uA
mA
mA
mA
Min
—
—
—
—
—
—
—
—
—
—
4.75
0.0
2.0
-1.0
—
—
—
Typ
4.5
—
—
2.0:1
75
20
+21
+24
+35
+48
5.0
—
—
—
6
—
—
Max
5.1
±(.3 +7% of atten setting)
±(.5 +8% of atten setting)
2.2:1
—
—
—
—
—
—
5.25
0.8
5.0
1.0
10
125
1.0
VSWR
Switching Speed
1 dB Compression
Input IP
3
Vcc
V
IL
V
IH
lin (Input Leakage Current)
Icc
4
Turn-on Current
5
ΔIcc
(Additional Supply Current
Per TTL Input Pin)
Switching Noise
Thermal Resistance
θjc
4.
5.
Generated from DC-DC Converter
with recommended capacitors
—
3.5 MHz
—
dBm
°C/W
—
—
-93
15
—
—
During turn-on, the device requires an initial “Turn-on Current”.
Once operational, Icc will drop to the specified levels.
The DC-DC converter is guaranteed to start in 100 µs as long as
the power supplies can provide a minimum of 100 mA “Turn-on
Current”.
Recommended PCB Configuration
9
Absolute Maximum Ratings
6,7
Parameter
Max. Input Power
0.05 GHz
0.5 - 4.0 GHz
V
CC
Vin
8
Operating Temperature
Storage Temperature
6.
7.
8.
2
ADVANCED:
Data Sheets contain information regarding a product M/A-COM Technology Solutions
•
North America
Tel: 800.366.2266 / Fax: 978.366.2266
is considering for development. Performance is based on target specifications, simulated results,
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
and/or prototype measurements. Commitment to develop is not guaranteed.
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Visit www.macomtech.com for additional data sheets and product information.
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.
Absolute Maximum
+27 dBm
+34 dBm
-0.5V
≤
V
CC
≤
+6.0V
-0.5V
≤
Vin
≤
V
CC
+ 0.5V
-40ºC to +85ºC
-65ºC to +125ºC
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.
9. Application Note S2083 is available on line at www.macom.com
changes to the product(s) or information contained herein without notice.
MAATCC0011
Digital Attenuator
31.5 dB, 6-Bit, TTL Driver, DC-4.0 GHz
Handling Procedures
Please observe the following precautions to avoid
damage:
Rev. V5
Truth Table (Digital Attenuator)
C16
0
0
0
0
0
0
1
1
C8
0
0
0
0
0
1
0
1
C4
0
0
0
0
1
0
0
1
C2
0
0
0
1
0
0
0
1
C1
0
0
1
0
0
0
0
1
C0.
0
1
0
0
0
0
0
1
Attenuation
Loss, Reference
0.5 dB
1.0 dB
2.0 dB
4.0 dB
8.0 dB
16.0 dB
31.5 dB
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.
0 = TTL Low; 1 = TTL High
Typical Performance Curves
Insertion Loss
6.0
VSWR @ Insertion Loss
I np ut
2.2
Out p ut
5.0
1.9
Loss (dB)
4.0
VSWR
0
1000
2000
3000
4000
1.6
3.0
1.3
2.0
1.0
0
1000
2000
3000
4000
Fre que ncy (MHz )
Fre que ncy (MHz )
Attenuation Error, 0.5 dB Bit
0.4
Attenuation Error, 1 dB Bit
0.2
A ttenua tio n Erro r (dB)
0
1000
2000
3000
4000
0.4
0.2
0.0
-0.2
-0.4
0
1000
2000
3000
4000
Attenuation Error (dB)
0.0
-0.2
-0.4
Fre que ncy (MHz )
3
Frequency (MHz)
ADVANCED:
Data Sheets contain information regarding a product M/A-COM Technology Solutions
•
North America
Tel: 800.366.2266 / Fax: 978.366.2266
is considering for development. Performance is based on target specifications, simulated results,
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
and/or prototype measurements. Commitment to develop is not guaranteed.
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Visit www.macomtech.com for additional data sheets and product information.
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.
MAATCC0011
Digital Attenuator
31.5 dB, 6-Bit, TTL Driver, DC-4.0 GHz
Typical Performance Curves
Attenuation Error, 2 dB Bit
Attenuation Error, 4 dB Bit
Rev. V5
A ttenua tio n Erro r (dB)
A ttenua tio n Erro r (dB)
0.4
0.2
0.0
-0.2
-0.4
0
1000
2000
3000
4000
0.4
0.2
0.0
-0.2
-0.4
0
1000
2000
3000
4000
Frequency (MHz)
Attenuation Error, 8 dB Bit
0.8
0.4
Frequency (MHz)
Attenuation Error, 16 dB Bit
0.8
Attenuation Error (dB)
Attenuation Error (dB)
0
1000
2000
3000
4000
0.4
0.0
-0.4
-0.8
0.0
-0.4
-0.8
0
1000
2000
3000
4000
Frequency (MHz)
Fre que ncy (MHz )
Attenuation Error, Max. Attenuation
VSWR, 0.5 dB Bit
Inp ut
Out p ut
A ttenua tio n Erro r (dB)
1.0
1.8
0.0
1.6
VSWR
0
1000
2000
3000
4000
1.4
1.2
-1.0
-2.0
1.0
0
1000
2000
3000
4000
Frequency (MHz)
4
Freque ncy (MHz )
ADVANCED:
Data Sheets contain information regarding a product M/A-COM Technology Solutions
•
North America
Tel: 800.366.2266 / Fax: 978.366.2266
is considering for development. Performance is based on target specifications, simulated results,
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
and/or prototype measurements. Commitment to develop is not guaranteed.
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Visit www.macomtech.com for additional data sheets and product information.
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.
MAATCC0011
Digital Attenuator
31.5 dB, 6-Bit, TTL Driver, DC-4.0 GHz
Typical Performance Curves
VSWR, 1 dB Bit
VSWR, 2 dB Bit
Rev. V5
Inp ut
1.8
Out p ut
I np ut
1.8
Out p ut
1.6
1.6
VSWR
1.4
VSWR
0
1000
2000
3000
4000
1.4
1.2
1.2
1.0
1.0
0
1000
2000
3000
4000
Fre que ncy (MHz )
VSWR, 4 dB Bit
VSWR, 8 dB Bit
Frequency (MHz )
I np ut
1
.6
O ut p ut
Inp ut
1
.8
1
.6
O ut p ut
VSW
R
VSWR
1
.4
1
.4
1
.2
1
.0
1
.2
1
.0
0
1
000
2000
3000
4000
0
1000
2000
3000
4000
Fre qu e ncy (MHz )
Fre que ncy (MHz )
VSWR, 16 dB Bit
Inp ut
1.8
1.6
Out p ut
VSWR, Max. Attenuation
Inp ut
1.6
Out p ut
VSWR
1.4
1.2
1.0
0
1000
2000
3000
4000
VSWR
1.4
1.2
1.0
0
1000
2000
3000
4000
Frequency (MHz)
5
Frequency (MHz)
ADVANCED:
Data Sheets contain information regarding a product M/A-COM Technology Solutions
•
North America
Tel: 800.366.2266 / Fax: 978.366.2266
is considering for development. Performance is based on target specifications, simulated results,
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
and/or prototype measurements. Commitment to develop is not guaranteed.
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Visit www.macomtech.com for additional data sheets and product information.
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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