ACA2601 [ANADIGICS]
Fiber-to-the-Home RF Amplifier; 光纤到到户射频放大器
| 型号： | ACA2601 |
| 厂家： | 
ANADIGICS, INC |
| 描述： | Fiber-to-the-Home RF Amplifier |
| 文件： | 总20页 (文件大小：431K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ACA2601
Fiber-to-the-Home RFAmplifier
PRELIMINARY DATASHEET - Rev 1.4
FEATURES
•
•
•
•
•
50 - 870 MHz Operating Frequency
High Linearity: 65 dBc CTB/CSO (79 Chan.)
Low Equivalent Input Noise: 4.5 pA/rtHz
20 dB Gain Adjust
400 Ω Differential Input Impedance: No
Transformer Required for Interface to
Photodiode
•
•
•
Single +5 V Supply
5 mm x 5 mm x 1 mm Surface Mount Package
RoHS Compliant Package
APPLICATIONS
•
FTTH RF Amplifier Used in Conjunction With
Triplexer in Fiber-Coax Line Terminals
S29 Package
28 Pin QFN
5 mm x 5 mm x 1 mm
PRODUCT DESCRIPTION
maintain low CTB and CSO levels in full-bandwidth
(132 channel) systems, even across a wide gain
adjustment range.
The ANADIGICS ACA2601 amplifier for Fiber-to-the-
Home (FTTH) applications is intended to be used
in conjunction with the triplexer in fiber-coax line
terminals. The device is driven by, and amplifies the
output of, the video downstream path photodiode.
The ACA2601 is manufactured using ANADIGICS’s
proven MESFET technology that offers state-of-the-
art reliability, temperature stability and ruggedness.
The device operates from a single +5V supply and
is offered in a 5 mm x 5 mm x 1 mm surface mount
package.
The high-impedance input of the ACA2601
eliminates the need for a costly transformer usually
needed to interface to the photodiode, and a low
equivalent input noise level offers excellent
sensitivity. The device provides sufficient linearity to
Attenuator
Control
Supply
RF Output
Voltage
Controlled
Attenuator
Matching
Circuit
Output
Amplifier
LNA
1:1
Transmission
Line Balun
ACA2601
Figure 1: Application Block Diagram
01/2006
ACA2601
NC
RFIN1
NC
1
2
3
4
5
6
7
21
VCC_OUT1
20 RFOUT1
19 GND
18 GND
17 GND
16 RFOUT2
GND
NC
RFIN2
NC
15
VCC_OUT2
Figure 2: Pinout (X-ray Top View)
Table 1: Pin Description
PIN
NAME
NC
DESCRIPTION
PIN
NAME
DESCRIPTION
1
2
No Connection
RF Input 1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
CC_IN2
Input Stage Supply 1
No Connection
AGC Control Input
Ground
RFIN1
NC
NC
3
No Connection
Ground
V
AGC
4
GND
NC
GND
5
No Connection
RF Input 2
V
CC_AGC
AGC Supply
No Connection
Ground
6
RFIN2
NC
NC
7
No Connection
Input Stage Supply 2
Ground
GND
8
V
CC_IN2
V
CC_OUT1
RFOUT1
GND
Output Stage Supply 1
RF Output 1
9
GND
10
11
12
13
14
IADJ_IN
Input Stage Current Adjust
Ground
Ground
GND
NC
GND
Ground
No Connection
Ground
GND
Ground
GND
GND
RFOUT2
RF Output 2
Ground
V
CC_OUT2
Output Stage Supply 2
PRELIMINARY DATA SHEET - Rev 1.4
2
01/2006
ACA2601
ELECTRICAL CHARACTERISTICS
Table 2: Absolute Minimum and Maximum Ratings
PARAMETER
MIN
0
MAX
+8
UNIT
V
Supply Voltage (VCC
)
AGC Voltage (VAGC
RF Input Power (PIN
Storage Temperature
)
0
+5
V
)
-
+25
+150
dBmV
°C
-65
Stresses in excess of the absolute ratings may cause permanent
damage. Functional operation is not implied under these conditions.
Exposure to absolute ratings for extended periods of time may
adversely affect reliability.
Table 3: Operating Ranges
PARAMETER
MIN
50
-
TYP
-
MAX
870
-
UNIT
MHz
V
COMMENTS
Operating Frequency (f)
Supply Voltage (VCC
RF Output Power (POUT
Case Temperature (T
)
+5
+18
-
)
-
-
dBmV
°C
C
)
-40
+110
The device may be operated safely over these conditions; however, parametric performance is guaranteed
only over the conditions defined in the electrical specifications.
PRELIMINARY DATA SHEET - Rev 1.4
3
01/2006
ACA2601
Table 4: Electrical Specifications
(TA = +25 °C, POUT = +18 dBmV, VCC = +5 V, 75 Ω system, see Figure 3)
MIN
TYP
MAX
UNIT COMMENTS
PARAMETER
RF Gain over Temperature (1)
Gain Tilt (2)
20
20.7
-
dB
dB
at 550 MHz
V
V
AGC = +3.0 V
AGC = +0.5 V
0.5
2.5
1.5
3.5
2.0
4.5
Gain Tilt over Temperature (1), (2)
V
V
AGC = +3.0 V
AGC = +0.5 V
0
2.25
1.5
-
3.0
4.75
dB
dB
(1), (3)
Gain Flatness over Temperature
V
V
AGC = +3.0 V
AGC = +0.5 V
-
-
0.7
0.5
1.5
1.0
Gain Adjustment Range
20
22
-
-
+3.0
-60
-
dB
V
Gain Adjust Control Voltage
+0.5
Max. gain at +3.0 V
79 Channels
(5)
CTB
-
-65
-65
-
dBc
CSO (5)
-
dBc
79 Channels
OIP2 (7)
+47
-
dBm
pA/rtHz
pA/rtHz
Ω
Equivalent Input Noise (EIN) (4)
EIN over Temperature (1), (4)
Input Impedance
-
-
-
4.5
5
5.5
6
400
-
differential
Output Return Loss (1), (6)
-30 oC to +85 oC
+85 oC to +100 oC
16
15
18
-
-
-
differential, 75 Ω system
dB
Current Consumption(1)
-
-
230
18
295
25
mA
Thermal Resistance
oC/W
Notes:
o
(1) Package slug temperature range of -30 to +100 C.
(2) Recorded tilt of the calculated best fit straight line from 50 to 870 MHz.
(3) Flatness is the peak-to-peak deviation from the calculated best fit straight line.
(4) Measured using application circuit with photodiode, as shown in Figure 16.
(5) Measured at +18 dBmV output power, with 14 dB gain reduction.
(6) Over the 50 to 870 MHz Frequency band.
(7) Measured using two tones at 379.25 and 301.25 MHz, -12 dBm output power per tone, with 14 dB gain reduction.
PRELIMINARY DATA SHEET - Rev 1.4
4
01/2006
ACA2601
+5V
+5V
0.01 uF
680 nH
0.01 uF
270 nH
180 pF
470 pF
470 pF
18 nH
18 nH
RF Input
1:1
Balun
4:1
Balun
Atten
RF Output
180 pF
680 nH
0.01 uF
270 nH
0.01 uF
+5V
V
+5V
AGC
Figure 3: Test Circuit
PRELIMINARY DATA SHEET - Rev 1.4
5
01/2006
ACA2601
PERFORMANCE DATA
All performance data measured using application circuit with input photodiode, as shown in Figure 16.
Figure 4: Gain vs. Frequency
(TA = +25 oC, VCC = + 5 V)
40
35
Vagc=3.0V
30
25
20
15
10
5
Vagc=2.5V
Vagc=2.0V
Vagc=1.9V
Vagc=1.8V
Vagc=1.7V
Vagc=1.6V
Vagc=1.5V
Vagc=1.3V
Vagc=1.0V
Vagc=0.5V
Vagc=0.0V
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
Figure 5: Output Return Loss vs. Frequency
(TA = +25 oC, VCC = + 5 V)
-5
-10
-15
-20
-25
-30
-35
-40
Vagc=3.0V
Vagc=2.5V
Vagc=2.0V
Vagc=1.9V
Vagc=1.8V
Vagc=1.5V
Vagc=1.0V
Vagc=0.0V
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
PRELIMINARY DATA SHEET - Rev 1.4
6
01/2006
ACA2601
All performance data measured using application circuit with input photodiode, as shown in Figure 16.
Figure 6: Gain Flatness To Best Fit Line over Temperature
(VCC = + 5 V, VAGC = +3.0 V)
2
1.5
1
Temperature
0.5
0
+115C
+100C
+60C
+40C
+15C
-5C
-0.5
-1
-25C
-35C
-1.5
-2
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
Table 5: Gain Flatness to Best Fit Line
(VAGC = +3.0 V)
The best fit line is calculated
using the least mean squares
method:
Temp (oC)
Tilt (dB)
3.5
Flatness (dB)
115
100
60
2
3.8
1.8
1.5
1.4
1.3
1.2
1.2
1.3
y = m⋅ x + b
4.4
x⋅
y
− ∑ ∑
40
4.7
(
x⋅ y
)
∑
n
15
5
m =
2
( )
x
∑
x2 −
-5
5.2
∑
y
n
-25
-35
5.4
5.6
x
∑
∑
b =
− m⋅
n
n
n = number of points
PRELIMINARY DATA SHEET - Rev 1.4
7
01/2006
ACA2601
All performance data measured using application circuit with input photodiode, as shown in Figure 16.
Figure 7: Output Return Loss over Temperature
(VCC = + 5 V, VAGC = +3.0V)
0
-5
-10
-15
-20
-25
-30
-35
-40
+115C
+100C
+60C
+40C
+15C
-5C
-25C
-35C
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
PRELIMINARY DATA SHEET - Rev 1.4
8
01/2006
ACA2601
All performance data measured using application circuit with input photodiode, as shown in Figure 16.
Figure 8: Gain Flatness To Best Fit Line over Temperature
(VCC = + 5 V, VAGC = +1.6 V)
2
1.5
1
+115C
+100C
+60C
+40C
+15C
-5C
0.5
0
-25C
-0.5
-1
-35C
-1.5
-2
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
Table 6: Gain Flatness to Best Fit Line
(VAGC = +1.6 V)
The best fit line is calculated
using the least mean squares
method:
Temp (oC)
Tilt (dB)
3.8
4.1
4.7
5.1
5.5
5.8
6
Flatness (dB)
115
100
60
2.3
1.9
0.9
1.2
1.6
1.9
1.9
1.6
y = m⋅ x + b
x⋅
y
40
− ∑ ∑
(
x⋅ y
)
∑
n
15
m =
2
( )
x
-5
∑
x2 −
∑
y
n
-25
-35
6
x
∑
∑
b =
− m⋅
n
n
n = number of points
PRELIMINARY DATA SHEET - Rev 1.4
9
01/2006
ACA2601
All performance data measured using application circuit with input photodiode, as shown in Figure 16.
Figure 9: Output Return Loss over Temperature
(VCC = + 5 V, VAGC = +1.6 V)
0
-5
-10
-15
-20
-25
-30
-35
-40
+115C
+100C
+60C
+40C
+15C
-5C
-25C
-35C
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
PRELIMINARY DATA SHEET - Rev 1.4
10
01/2006
ACA2601
All performance data measured using application circuit with input photodiode, as shown in Figure 16.
Figure 10: Gain Flatness To Best Fit Line vs. Frequency over Temperature
(VCC = + 5 V, VAGC = 0 V)
2
1.5
1
+115C
0.5
0
+100C
+60C
+40C
+15C
-5C
-25C
-35C
-0.5
-1
-1.5
-2
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
Table 7: Gain Flatness to Best Fit Line
(VAGC = 0 V)
The best fit line is calculated
using the least mean squares
method:
Temp (oC)
Tilt (dB)
5.4
Flatness (dB)
115
100
60
1.2
1.2
1.1
1.1
1.1
1.2
1.3
1.5
5.7
y = m⋅ x + b
6.1
x⋅
y
40
6.3
− ∑ ∑
(
x⋅ y
)
∑
n
15
6.6
m =
2
( )
x
∑
-5
6.8
x2 −
∑
y
n
-25
-35
6.9
7
x
∑
∑
b =
− m⋅
n
n
n = number of points
PRELIMINARY DATA SHEET - Rev 1.4
11
01/2006
ACA2601
All performance data measured using application circuit with input photodiode, as shown in Figure 16.
Figure 11: Output Return Loss over Temperature
(VCC = + 5 V, VAGC = 0 V)
0
-5
-10
-15
-20
-25
-30
-35
-40
+115C
+100C
+60C
+40C
+15C
-5C
-25C
-35C
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
PRELIMINARY DATA SHEET - Rev 1.4
12
01/2006
ACA2601
All performance data measured using application circuit with input photodiode, as shown in Figure 16.
Figure 12: CTB vs. Frequency
(TA = +25 oC, VCC = + 5 V, 132 Analog Channel Loading,
Optical Input Power = 0 dBm, RF Output Power = +18 dBmV)
-50
-55
-60
-65
-70
-75
-80
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
Figure 13: CSO vs. Frequency
(TA = +25 oC, VCC = + 5 V, 132 Analog Channel Loading,
Optical Input Power = 0 dBm, RF Output Power = +18 dBmV)
-50
-55
-60
-65
-70
-75
-80
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
PRELIMINARY DATA SHEET - Rev 1.4
13
01/2006
ACA2601
All performance data measured using application circuit with input photodiode, as shown in Figure 16.
Figure 14: Equivalent Input Noise vs. Frequency
(TA = +25 oC, VCC = + 5 V, VAGC = +3.0)
6
5
4
3
2
1
0
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
Figure 15: Equivalent Input Noise over Temperature
(VCC = + 5 V, VAGC = +3.0)
7
6
5
4
3
2
1
0
+115 degC
+100 degC
+60 degC
+40 degC
+15 degC
-5 degC
-25 degC
0
100
200
300
400
500
600
700
800
900
Frequency (MHz)
PRELIMINARY DATA SHEET - Rev 1.4
14
01/2006
ACA2601
APPLICATION INFORMATION
G N D
N C
A G C C C V _
G N D
G N D
1 4
2 2
2 3
2 4
2 5
2 6
2 7
2 8
G N D
1 3
N C
1 2
G N D
1 1
C
A G V
N I _ A I D J
1 0
N C
G N D
9
I N 1 C C V _
I N 2 C C V _
8
Figure 16: Application Circuit with Input Photodiode
PRELIMINARY DATA SHEET - Rev 1.4
15
01/2006
ACA2601
Table 8: Evaluation Board Parts List
DESCRIPTION QTY VENDOR
REF
C11
VENDOR PART NO.
0.5 pF; 0603 Cap
1 pF; 0603 Cap
1
1
2
2
1
Murata Electronics
GRM1885C1HR50CZ01D
GRM1885C1H1R0CZ01D
C1608C0G1H181J
C1
Murata Electronics
TDK Corporation
Murata Electronics
Murata Electronics
C9, C10
C2, C3
C5
180 pF; 0603 Cap
470 pF; 0603 Cap
1000 pF; 0603 Cap
GRM155R71H471KA01D
GRM1885C1H102JA01D
C6, C7, C12, C13,
C15, C16
0.01 µF; 0603 Cap
6
Murata Electronics
GRM1885C1HR50CZ01D
C4
0.1 µF; 0603 Cap
1 µF; 0603 Cap
47 µF; Elect. Cap 25 V
27 nH; 0603 Ind
1
1
1
4
2
2
1
2
Murata Electronics
Murata Electronics
Panasonic-ECG
Coilcraft
GRM188F51C104ZA01D
GRM188R61C105KA93D
ECA-1EM470B
C14
C8
L1, L2, L3, L4
L5, L8
L6, L7
L9
0603CS-27NXJB
0603CS-R18XJB
0603CS-R27XJB
ELJ-NCR82JF
180 nH; 0603 Ind
270 nH; 0603 Ind
820 nH; 1008 Ind
1 kΩ; 0603 Res
Coilcraft
Coilcraft
Panasonic
R1, R2
Panasonic-ECG
ERJ-3EKF1001V
1:1 Balun Transformer;
0603 Cap
T1
1
1
1
M/A-COM
MABAES0029
PD070-HL1-300 or
PD070-HL2-300
D1
Analog Photodiode
ANADIGICS
75 Ω N Male Panel
Mount
Pasternack
Enterprises
Connector
PE4504
PRELIMINARY DATA SHEET - Rev 1.4
16
01/2006
ACA2601
PACKAGE OUTLINE
Figure 17: S29 Package Outline - 28 Pin 5 mm x 5 mm x 1 mm QFN
PRELIMINARY DATA SHEET - Rev 1.4
17
01/2006
ACA2601
NOTES
PRELIMINARY DATA SHEET - Rev 1.4
18
01/2006
ACA2601
NOTES
PRELIMINARY DATA SHEET - Rev 1.4
19
01/2006
ACA2601
ORDERING INFORMATION
TEMPERATURE
PACKAGE
ORDER NUMBER
COMPONENT PACKAGING
RANGE
DESCRIPTION
RoHS-Compliant
28 Pin QFN
ACA2601RS29P8
-40 °C to +110 °C
Tape and Reel, 2500 pieces per Reel
5 mm x 5 mm x 1 mm
ANADIGICS, Inc.
141 Mount Bethel Road
Warren, New Jersey 07059, U.S.A.
Tel: +1 (908) 668-5000
Fax: +1 (908) 668-5132
URL: http://www.anadigics.com
E-mail: Mktg@anadigics.com
IMPORTANT NOTICE
ANADIGICS, Inc. reserves the right to make changes to its products or to discontinue any product at any time without
notice. The product specifications contained in Advanced Product Information sheets and Preliminary Data Sheets are
subject to change prior to a product’s formal introduction. Information in Data Sheets have been carefully checked and are
assumed to be reliable; however, ANADIGICS assumes no responsibilities for inaccuracies. ANADIGICS strongly urges
customers to verify that the information they are using is current before placing orders.
WARNING
ANADIGICS products are not intended for use in life support appliances, devices or systems. Use of an ANADIGICS
product in any such application without written consent is prohibited.
PRELIMINARY DATA SHEET - Rev 1.4
20
01/2006
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