MAAD-011021 [TE]
Digital Attenuator;
| 型号： | MAAD-011021 |
| 厂家： | 
TE CONNECTIVITY |
| 描述： | Digital Attenuator 衰减器 射频 微波 |
| 文件： | 总8页 (文件大小：944K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MAAD-011021
Digital Attenuator, 6-Bit, 0.5 dB LSB step
DC - 30 GHz
Rev. V1
Features
Functional Schematic
6-bit, 0.5 dB LSB, 31.5 dB range
DC to 30 GHz operation
Integrated TTL 0/+5V control
+/- 0.5 dB typical bit error
Low RMS phase 4.3° @ 20 GHz
Lead-Free 3 mm 16-lead PQFN package
ESD protection for all controls and bias
Description
The MAAD-011021 is a wide band 6-bit digital
attenuator covering DC to 30 GHz. The attenuation
bit-values are 0.5 dB LSB (least significant bit), 1, 2,
4, 8, and 16 dB for a total attenuation of 31.5 dB.
Attenuation error is typically less than +/- 0.5 dB,
RMS phase error is less than 5 degrees at 20 GHz,
and typical insertion loss is 7.2 dB at 15 GHz.
Return loss is typically 12 dB across all frequencies
and attenuation states.
Pin Configuration3
The attenuator integrates an inverter to allow a
single control for series/shunt attenuation. Inverter
requires a -5 V supply (VCC) and 17 mA typical, logic
is 0 V / +5 V.
Pin No.
Function
Ground
Pin No.
9
Function
1
2
3
4
5
6
7
8
V6 (16 dB)
Ground
The device is also available as bare die; order part
number MAAD-011021-000DIE.
RF Input
Ground
10
11
RF Output
Ground
V1 (0.5 dB)
V2 (1 dB)
V3 (2 dB)
V4 (4 dB)
V5 (8 dB)
12
13
No Connection
No Connection
VCC -5 V Bias
No Connection
Pad4
Ordering Information1,2
14
15
Part Number
Package
16
MAAD-011021-TR0500
MAAD-011021-SMB
500 piece reel
Sample Board
17
3. MACOM recommends connecting unused package pins to
ground.
4. The exposed pad centered on the package bottom must be
connected to RF, DC and thermal ground.
1. Reference Application Note M513 for reel size information.
2. All sample boards include 3 loose parts.
* Restrictions on Hazardous Substances, European Union Directive 2011/65/EU.
1
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macomtech.com for additional data sheets and product information.
For further information and support please visit:
https://www.macomtech.com/content/customersupport
MAAD-011021
Digital Attenuator, 6-Bit, 0.5 dB LSB step
DC - 30 GHz
Rev. V1
Electrical Specifications:
TA = +25°C, VCC = -5 V, Z0 = 50 Ω (unless otherwise specified)
Parameter
Insertion Loss
Return Loss
Test Conditions
Units
Min.
—
Typ.
Max.
DC - 15 GHz
15 - 30 GHz
1 GHz
6.0
8.0
5.0
7.0
7.5
—
—
5.5
8.0
8.5
dB
10 GHz
15 GHz
DC - 30 GHz
dB
—
15
—
10 GHz
LSB: 0.5 dB
Bit 2: 1 dB
Bit 3: 2 dB
Bit 4: 4 dB
Bit 5: 8 dB
Bit 6: 16 dB
0.3
0.8
1.8
3.8
7.6
0.4
1.0
2.0
4.0
8.3
0.5
1.1
2.2
4.2
8.9
Attenuation Bits
dB
16.0
17.0
18.0
DC - 15 GHz
15 - 30 GHz
0.3
1.2
Attenuation Error RMS
Phase Error RMS
dB
—
—
—
—
DC - 15 GHz
15 - 30 GHz
2.6
7.2
deg
Input P0.1dB
Input IP3
DC - 30 GHz
DC - 30 GHz
—
dBm
dBm
ns
—
—
—
—
—
—
24
38
—
—
—
—
—
45
Switching Time
Control Logic
Control Current
Supply Current
45
—
V
0 / +5
6
each control bit @ +5 V
Supply = -5 V
mA
mA
17
Absolute Maximum Ratings5,6
Handling Procedures
Please observe the following precautions to avoid
damage:
Parameter
Input Power
Absolute Maximum
+35 dBm
Operating Voltage
Control Voltage
-5 V
Static Sensitivity
0 / +5 V
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
Class 1A devices.
Operating Temperature
Storage Temperature
-40°C to +85°C
-65°C to +150°C
5. Exceeding any one or combination of these limits may cause
permanent damage to this device.
6. MACOM does not recommend sustained operation near these
survivability limits.
2
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macomtech.com for additional data sheets and product information.
For further information and support please visit:
https://www.macomtech.com/content/customersupport
MAAD-011021
Digital Attenuator, 6-Bit, 0.5 dB LSB step
DC - 30 GHz
Rev. V1
Truth Table7,8
V1
0.5 dB
V2
1 dB
V3
2 dB
V4
4 dB
V5
8 dB
V6
16 dB
State
low
high
low
low
low
low
low
high
low
low
high
low
low
low
low
high
low
low
low
high
low
low
low
high
low
low
low
low
high
low
low
high
low
low
low
low
low
high
low
high
low
low
low
low
low
low
high
high
0 dB
0.5 dB
1 dB
2 dB
4 dB
8 dB
16 dB
31.5 dB
7. high = +5 V @ 5.7 mA, low = 0 V @ 1.0 mA.
8. Any combination of the above states will provide attenuation approximately equal to the sum of the bits selected.
Evaluation Board
PCB Layout
Application Schematic
Parts List
Part
VCC = -5 V
Value
Case Style
J1, J2
0 Ω
0201
RFIN
RFOUT
V1 V2 V3 V4 V5 V6 = 0 / +5 V
3
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macomtech.com for additional data sheets and product information.
For further information and support please visit:
https://www.macomtech.com/content/customersupport
MAAD-011021
Digital Attenuator, 6-Bit, 0.5 dB LSB step
DC - 30 GHz
Rev. V1
Typical Performance Curves
Insertion Loss
P0.1dB Compression
0
30
+25°C
-40°C
+85°C
+25°C
-40°C
+85°C
28
26
24
22
20
-4
-8
-12
-16
0
5
10
15
20
25
30
30
30
0
5
10
15
20
25
25
25
30
30
30
Frequency (GHz)
Frequency (GHz)
Maximum Output Return Loss (all states)
Maximum Input Return Loss (all states)
0
0
+25°C
-40°C
+85°C
+25°C
-40°C
+85°C
-4
-4
-8
-8
-12
-16
-12
-16
0
5
10
15
20
25
0
5
10
15
20
Frequency (GHz)
Frequency (GHz)
Input IP3 (reference states)
Noise Figure (reference states)
60
12
+25°C
-40°C
+85°C
10
8
50
40
30
20
10
6
4
2
0
0
5
10
15
20
25
0
5
10
15
20
Frequency (GHz)
Frequency (GHz)
4
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macomtech.com for additional data sheets and product information.
For further information and support please visit:
https://www.macomtech.com/content/customersupport
MAAD-011021
Digital Attenuator, 6-Bit, 0.5 dB LSB step
DC - 30 GHz
Rev. V1
Typical Performance Curves
Attenuation
Relative Attenuation
0
0
-5
-10
-15
-20
-25
-4
-8
REF
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
-12
-16
-20
REF
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
-30
-35
0
5
10
15
20
25
30
0
5
10
15
20
25
30
Frequency (GHz)
Frequency (GHz)
RMS Phase Error
RMS Attenuation Error
4
25
20
15
10
5
3
2
1
0
0
0
5
10
15
20
25
30
0
5
10
15
20
25
30
Frequency (GHz)
Frequency (GHz)
Relative Phase Error
Relative Attenuation Error
2
40
REF
Bit 1
Bit 2
Bit 4
Bit 5
Bit 6
1
0
20
Bit 3
-1
-2
0
-20
-40
REF
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
-3
-4
0
5
10
15
20
25
30
0
5
10
15
20
25
30
Frequency (GHz)
Frequency (GHz)
5
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macomtech.com for additional data sheets and product information.
For further information and support please visit:
https://www.macomtech.com/content/customersupport
MAAD-011021
Digital Attenuator, 6-Bit, 0.5 dB LSB step
DC - 30 GHz
Rev. V1
Typical Performance Curves
Relative Attenuation Error (Bit 1, 2)
Relative Phase Error (Bit 1, 2)
2
40
30
1
0
Bit 1
Bit 2
20
10
0
-1
-10
-20
-30
-40
Bit 1
Bit 2
-2
-3
-4
0
5
10
15
20
25
25
25
30
30
30
0
5
10
15
20
25
25
25
30
30
30
Frequency (GHz)
Frequency (GHz)
Relative Phase Error (Bit 3, 4)
Relative Attenuation Error (Bit 3, 4)
2
40
30
1
0
Bit 3
Bit 4
20
10
-1
0
-10
-20
-30
-40
Bit 3
Bit 4
-2
-3
-4
0
5
10
15
20
0
5
10
15
20
Frequency (GHz)
Frequency (GHz)
Relative Phase Error (Bit 5, 6)
Relative Attenuation Error (Bit 5, 6)
2
40
30
1
0
Bit 5
Bit 6
20
10
0
-1
-10
-20
-30
-40
-2
Bit 5
Bit 6
-3
-4
0
5
10
15
20
0
5
10
15
20
Frequency (GHz)
Frequency (GHz)
6
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macomtech.com for additional data sheets and product information.
For further information and support please visit:
https://www.macomtech.com/content/customersupport
MAAD-011021
Digital Attenuator, 6-Bit, 0.5 dB LSB step
DC - 30 GHz
Rev. V1
Typical Performance Curves
Step Error Between Successive States
Switching Time
2.0
7
0
2 GHz
5 GHz
10 GHz
20 GHz
6
5
4
3
2
1
0
-5
1.5
-10
-15
-20
-25
-30
-35
-40
1.0
0.5
Control Voltage (L)
S21 (R)
0.0
-0.5
-1.0
-1.5
-2.0
-1
0
5
10
15
20
25
30
35
-100 -50
0
50
100 150 200 250 300
Attenuation State (dB)
Time (ns)
Phase Error over Attenuation States
20
15
10
5
0
-5
1 GHz
3 GHz
5 GHz
10 GHz
20 GHz
-10
-15
-20
0
5
10
15
20
25
30
35
Attenuation State (dB)
7
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macomtech.com for additional data sheets and product information.
For further information and support please visit:
https://www.macomtech.com/content/customersupport
MAAD-011021
Digital Attenuator, 6-Bit, 0.5 dB LSB step
DC - 30 GHz
Rev. V1
Lead-Free 3 mm 16-Lead PQFN†
†
Reference Application Note S2083 for lead-free solder reflow recommendations.
Meets JEDEC moisture sensitivity level 1 requirements.
Plating is 100% matte tin over copper.
Application Information
The MAAD-011021 is designed for extremely wide band and robust attenuation applications. It uses a
combination of series and shunt cold channel, multiple-gate FETs to achieve high linearity and accurate
attenuation repeatability. We recommend using double bonds at both RF input and output, as well as keeping
bondwires as short as possible. This part is the most accurate for X-band applications.
The MAAD-011021 has a built in inverter function which allows a single +5 V / 0 V single control for each bit.
This is useful if you require very fast switching times and have +5 V / 0 V available.
The MAAD-011021 is DC-coupled at both RFIN and RFOUT. If operation at DC is desired, 0 Ω jumpers (or
continuous 50 Ω RF lines) should be used in series with RFIN and RFOUT. Customer should take extra care to
ensure that the voltage at both RFIN and RFOUT are 0 V; excess voltage can damage the part. If operation at DC
is not required, simply use series blocking capacitors.
8
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macomtech.com for additional data sheets and product information.
For further information and support please visit:
https://www.macomtech.com/content/customersupport
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