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204202C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 13, 2017 1
DATA SHEET
ACA1212: 1.2 GHz CATV Line Amplifier MMIC
Applications
50 to 1218 MHz 75 Ω amplifier
HFC distribution systems
CATV head-end equipment
CATV line amplifier
Features
50 to 1218 MHz frequency range
Flat gain
Very low distortion
Excellent input/output match
Low DC power consumption
Single 12 V supply
Surface-mount package compatible with automatic assembly
Repeatability of monolithic fabrication
RoHS-compliant packaging
Highly reliable GaAs MESFET technology
Skyworks Green
TM
products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of Green
TM
, document number
SQ04–0074.
Description
The ACA1212 is a highly linear, high output power integrated RF
amplifier designed for CATV head ends and HFC distribution
systems. The IC consists of two parallel amplifiers cascaded
between transmission line baluns that are optimized for
exceptionally low distortion, high output power, and high crash
point in a thermally enhanced surface-mount package. The
ACA1212 covers the full 50 to 1218 MHz CATV downstream band
demanded by DOCSIS 3.1 systems.
A block diagram of the ACA1212 is shown in Figure 1. The device
package and pinout are shown in Figure 2. Signal pin
assignments and functional pin descriptions are described in
Table 1.
RF Input
RF Output
12 dB
12 dB
204202-001
Figure 1. ACA1212 Block Diagram
DATA SHEET • ACA1212: 1.2 GHz CATV LINE AMPLIFIER MMIC
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1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
GND GND
IADJ
RFINA
GND
GND GND
RFOUTA
N/C
N/C
GND
RFINB
GND
GND
RFOUTB
N/C
204202-002
Figure 2. ACA1212 Pinout
(Top View)
Table 1. AWB7124 Signal Pin Descriptions1
Pin Name Description Pin Name Description
1 GND Ground 9 GND Ground
2 N/C No connection 10 N/C No connection
3 RFINA Input to Amplifier A 11 RFOUTB Output from Amplifier B
4 GND Ground 12 GND Ground
5 GND Ground 13 GND Ground
6 RFINB Input to Amplifier B 14 RFOUTA Output from Amplifier A
7 IADJ Current adjust 15 N/C No connection
8 GND Ground 16 GND Ground
1 The center ground pad must have a low inductance and low thermal resistance connection to the application’s printed circuit board ground plane.
DATA SHEET • ACA1212: 1.2 GHz CATV LINE AMPLIFIER MMIC
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Electrical and Mechanical Specifications
The absolute maximum ratings of the ACA1212 are provided in
Table 2. Recommended operating conditions are specified in
Table 3, and electrical specifications are provided in Table 4.
Table 2. ACA1212 Absolute Maximum Ratings1
Parameter Minimum Maximum Units
Amplifier supplies (pins 11 and 14)
0
+15 VDC
RF input power (pins 3 and 6)
-
+70 dBmV
Storage temperature –6 5 +150 °C
Soldering temperature
-
+260 °C
Soldering time
-
5.0 sec
1 Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other parameters set at
or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device.
2 Pins 3 and 6 should be AC-coupled. No external DC bias should be applied.
ESD HANDLING: Although this device is designed to be as robust as possible, electrostatic discharge (ESD) can damage this device.
This device must be protected at all times from ESD when handling or transporting. Static charges may easily produce
potentials of several kilovolts on the human body or equipment, which can discharge without detection.
Industry-standard ESD handling precautions should be used at all times.
Table 3. ACA1212 Recommended Operating Conditions1
Parameter Symbol Min Typ Max Units
RF frequency
f
50 1218 MHz
Supply (pins 11 and 14) VDD +12 VDC
Operating temperature TA –40 +100 °C
1 Performance is guaranteed only under the conditions listed in this table.
Table 4. ACA1212 Electrical Specifications1
TA = +25 C, VDD = +12 VDC, Unless Otherwise Noted)
Parameter Symbol Test Condition Min Typ Max Units
Gain1
G
1218 MHz 10.3 10.9 11.5 dB
Gain flatness1 55.25 MHz to 1218 MHz ± 0.3 dB
Cable equivalent slope1 -0.5 0.25 1.0 dB
Noise figure1 NF 4 4.5 dB
CTB1,2 CTB –72 –70 dBc
CSO1,2 CSO –70 –68 dBc
XMOD1,2 ACLR –67 dBc
Supply current 395 445 mA
Return loss (input/output)1 RL 55.25 MHz to 1218 MHz 18 22 dB
Thermal resistance θJC 6.0 °C/W
1 Measured with a balun on input and output of the device. See Figure 3 for test setup.
2 Device measured with 79 analog channels, +47 dBmV output power at 1000 MHz with a 3 dB tilt and QAM to 1000 MHz.
DATA SHEET • ACA1212: 1.2 GHz CATV LINE AMPLIFIER MMIC
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Evaluation Board Description
The ACA1212 Evaluation Board is used to test the performance of
the ACA1212 device. An Evaluation Board schematic is provided
in Figure 3. Table 6 provides the Bill of Materials (BOM) list for
Evaluation Board components.
GND
N/C
RFIN1
GND
GND
RFIN2
IADJ
GND
GND
N/C
RFOUT1
GND
GND
RFOUT2
N/C
GND
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
1.2nH
RFIN 0.01uF
0.01uF
RFOUT
+12 VDC (VDD)
+12 VDC (vdd )
MABA -009210 -CT1760
47 uF
0.01 uF
1.0nH
270 pF
270 pF
0.01uF
470 nH
470 nH
MABA -009210 -CT1760
0.1pF0.8pF
+12 VDC (VDD)
0.01 uF
68.1K
204202-003
Figure 3. ACA1212 Evaluation Board Schematic
Table 6. ACA1212 Evaluation Board Bill of Materials (BOM)
Component Description Manufacturer Mfr Part Number
L1 1.2 nH inductor (0402) Murata LQG15HS1N2S02D
T1, T2 1:1 transmission line balun Macom MABA- 009210-CT1760
C1, C2, C4, C6, C8 0.01 uF capacitor (0603) Murata GRM188R71H- 103KA01D
C3 0.8 pF (0402) Murata GRM- 1555C1HR80RZ01D
R1 68.1 k Ω (0402) Rohm MCR01MRTF6802
L2, L3 470 nH (0805) Murata LQH31CNR47M03L
C5 0.1 pF (0402) Murata GJM- 1555C1HR10WB01D
C9, C10 270 pF (0603) Murata GRM1885C1H- 271JA01D
L4 1.0 nH (0402) Murata LQG15HS1N0S02D
C7 47 uF electrolytic cap Panasonic ECEA1HGE470
CON1-2 75 Ω N bulkhead Paternack PE4504
DATA SHEET • ACA1212: 1.2 GHz CATV LINE AMPLIFIER MMIC
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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Package Dimensions
The PCB layout footprint drawing for the ACA1212 is shown in
Figure 4. The package dimensions for the ACA1212 are shown in
Figure 5. The tape and reel dimensions are provided in Figure 6.
Package and Handling Information
Since the device package is sensitive to moisture absorption, it is
baked and vacuum packed before shipping. Instructions on the
shipping container label regarding exposure to moisture after the
container seal is broken must be followed. Otherwise, problems
related to moisture absorption may occur when the part is
subjected to high temperature during solder assembly.
The ACA1212 is rated to Moisture Sensitivity Level 2 (MSL2) at
260 C. It can be used for lead or lead-free soldering. For
additional information, refer to the Skyworks Application Note,
Solder Reflow Information, document number 200164.
Care must be taken when attaching this product, whether it is
done manually or in a production solder reflow environment.
Production quantities of this product are shipped in a standard
tape and reel format.
PRELIMINARY DATA SHEET • ACA1212: 1.2 GHz CATV LINE AMPLIFIER MMIC
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Figure 4. ACA1212 PCB Layout Footprint Dimensions
DATA SHEET • ACA1212: 1.2 GHz CATV LINE AMPLIFIER MMIC
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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Figure 5. ACA1212 Package Dimensions
DATA SHEET • ACA1212: 1.2 GHz CATV LINE AMPLIFIER MMIC
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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204202-006
Figure 6. ACA1212 Tape and Reel Dimensions
DATA SHEET • ACA1212: 1.2 GHz CATV LINE AMPLIFIER MMIC
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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Ordering Information
Model Number Package Description Component Packaging
ACA1212P2 16-pin wide body SOIC with heat slug 1500-piece tape and reel
EVB1212 Evaluation Board part number
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