19-1806; Rev 1; 8/03
IT
TION K
VALUA
E
BLE
AVAILA
Broadband, Two-Output, Low-Noise
Amplifier for TV Tuner Applications
General Description
Features
♦
+5V Single-Supply Operation
♦
44MHz to 878MHz Operating Frequency Range
♦
Guaranteed 7.4dB (min) Input Return Loss Over
Frequency Range
♦
LNA Performance at I
CC
= 93mA (R
BIAS
= 15kΩ)
15dB Gain
2.8dB Noise Figure
+17.5dBm Input IP3
+27dBm Input IP2
+2.7dBm Input 1dB Compression Point
♦
Loop-Out Amplifier Performance at I
CC
= 93mA
(R
BIAS
= 15kΩ)
8.7dB Gain
4.2dB Noise Figure
+17dBm Input IP3
+29dBm Input IP2
-0.5dBm Input 1dB Compression Point
♦
Programmable Linearity vs. Supply Current
MAX2130
The MAX2130 broadband, low-distortion, low-noise,
two-output amplifier performs preamp, loop-out, and
buffer functions in TV tuner applications. The device
integrates functions typically achieved with discrete
components into the space-saving 8-pin µMAX-EP
package. The MAX2130 provides a gain of +15dB with
a noise figure less than 3.2dB over the 44MHz to
878MHz frequency range. The MAX2130 features an
externally adjustable bias control, set with a single
resistor, that allows the user to meet minimum linearity
requirements while reducing current consumption. The
device operates from a +5V single supply and only
requires 93mA of supply current when nominally
biased.
________________________Applications
DVB-T Digital Broadcast Receivers
Digital/Terrestrial TV Tuners
Set-Top Boxes
Cable Modems
Analog TV Tuners
Ordering Information
PART
MAX2130EUA
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
8 µMAX-EP*
Pin Configuration appears at end of data sheet.
*Exposed paddle
Typical Application Circuit
V
CC
V
CC
10μF
OPTIONAL: DYNAMIC
LINEARITY ADJUSTMENT CIRCUIT
R
ADJ
DAC
V
ADJ
R
BIAS
15kΩ
1000pF
47pF
V
CC
CHOKE
MURATA
BLM11A221S
OUT1
220pF
1000pF
LNA
OUTPUT
0.1μF
MAX2130
INPUT
0.1μF
1.2V
BIAS
IN
GND
GND
GND
OUT2
0.1μF
LOOP-OUT
OUTPUT
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Broadband, Two-Output, Low-Noise
Amplifier for TV Tuner Applications
MAX2130
ABSOLUTE MAXIMUM RATINGS
V
CC
to GND ..............................................................-0.3V to +6V
BIAS, OUT2 to GND .....................................-0.3 to (V
CC
+ 0.3V)
IN Input Power................................................................+15dBm
OUT1 to GND ...........................................................-0.3V to +6V
OUT2 Short-Circuit Duration ......................................Continuous
Continuous Power Dissipation (T
A
= +70°C)
8-Pin µMAX-EP (derate 15.4mW/°C above +70°C) ........1.2W
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
CAUTION!
ESD SENSITIVE DEVICE
DC ELECTRICAL CHARACTERISTICS
(V
CC
= +4.75V to +5.25V, T
A
= -40°C to +85°C, R
BIAS
= 15kΩ
T
A
= +25°C, unless otherwise noted.)
PARAMETER
Supply Voltage
T
A
= +25°C
Supply Current
R
BIAS
= 30kΩ
BIAS = unconnected
±
1%;
no input signals applied. Typical values are at V
CC
= +5V,
MIN
4.75
93
49
10
TYP
MAX
5.25
104
mA
UNITS
V
CONDITIONS
AC ELECTRICAL CHARACTERISTICS
(MAX2130 EV kit, V
CC
= +4.75V to +5.25V, R
BIAS
= 15kΩ
T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER
LOW-NOISE AMPLIFIER (LNA)
Operating Frequency Range
Gain
Gain Flatness
Noise Figure
Input 1dB Compression Point
Input Third-Order Intercept Point
Input Second-Order Intercept
Point
IN Return Loss
OUT1 Return Loss
Maximum Load for Stable
Operation
OUT1 to IN Isolation
(Note 2)
18
V
CC
= +3.5V (Note 3)
(Note 4)
(Note 5)
(Notes 2, 6)
f
IN
= 44MHz to 878MHz
7.4
(Note 2)
T
A
= -40°C to +85°C (Note 2)
2.8
2.7
2.1
17.5
27
8.6
8.7
Any load
21
dB
44
13.4
15
878
16.6
0.8
3.2
MHz
dB
dB
dB
dBm
dBm
dBm
dB
dB
±
1%,
f
IN
= 500MHz, Z
O
= 75Ω. Typical values are at V
CC
= +5V,
MIN
TYP
MAX
UNITS
CONDITIONS
2
_______________________________________________________________________________________
Broadband, Two-Output, Low-Noise
Amplifier for TV Tuner Applications
MAX2130
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2130 EV kit, V
CC
= +4.75V to +5.25V, R
BIAS
= 15kΩ
T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER
LOOP-OUT AMPLIFIER
Operating Frequency Range
Gain
Noise Figure
Input 1dB Compression
Point
Input Third-Order Intercept
Point
Input Second-Order Intercept
Point
OUT2 Return Loss
Maximum Load for Stable
Operation
OUT2 to IN Isolation
OUT2 to OUT1 Isolation
(Note 2)
(Note 2)
24.5
11.0
V
CC
= +3.5V (Note 3)
(Note 4)
(Note 5)
f
IN
= 44MHz to 878MHz
(Note 2)
44
7.1
8.7
4.2
-0.5
-3.7
17
29
16.6
Any load
27
12.5
dB
dB
878
10.2
4.6
MHz
dB
dB
dBm
dBm
dBm
dB
±
1%,
f
IN
= 500MHz, Z
O
= 75Ω. Typical values are at V
CC
= +5V,
MIN
TYP
MAX
UNITS
CONDITIONS
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Specifications are guaranteed by design and characterization, except for gain which is production tested.
Specifications are guaranteed over the operating frequency range.
Operation possible with V
CC
= +3.5V. See
Typical Operating Characteristics.
Two tones at 500MHz and 506MHz, -20dBm per tone.
Two tones at 500MHz and 550MHz, -20dBm per tone.
Output load has worst-case 6dB return loss.
Typical Operating Characteristics
(MAX2130 EV kit, V
CC
= +5V, R
BIAS
= 15kΩ ±1%, T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. TEMPERATURE
MAX2130 toc01
SUPPLY CURRENT vs. R
BIAS
MAX2130 toc02
GAIN vs. FREQUENCY
R
BIAS
= 10kΩ
16
15
14
GAIN (dB)
13
12
11
10
9
8
7
LOOP-OUT AMPLIFIER
0
200
400
600
800
1000
LNA
MAX2130 toc03
98
97
96
SUPPLY CURRENT (mA)
95
94
93
92
91
90
89
88
-40
-15
10
35
60
130
120
SUPPLY CURRENT (mA)
110
100
90
80
70
60
50
10.0
12.5
15.0
17.5
R
BIAS
(kΩ)
20.0
22.5
17
85
25.0
TEMPERATURE (°C)
FREQUENCY (MHz)
_______________________________________________________________________________________
3
Broadband, Two-Output, Low-Noise
Amplifier for TV Tuner Applications
MAX2130
Typical Operating Characteristics (continued)
(MAX2130 EV kit, V
CC
= +5V, R
BIAS
= 15kΩ ±1%, T
A
= +25°C, unless otherwise noted.)
GAIN vs. FREQUENCY
R
BIAS
= 15kΩ
MAX2130 toc04
GAIN vs. FREQUENCY
R
BIAS
= 25kΩ
MAX2130 toc05
LNA NOISE FIGURE vs. FREQUENCY
MAX2130 toc06
17
16
15
14
GAIN (dB)
13
12
11
10
9
8
7
0
200
400
600
LOOP-OUT AMPLIFIER
T
A
= +85°C
T
A
= +25°C
T
A
= +25°C
LNA
T
A
= -40°C
17
16
15
14
GAIN (dB)
13
12
11
10
9
8
7
LOOP-OUT AMPLIFIER
LNA
5
4
NOISE FIGURE (dB)
T
A
= +85°C
T
A
= +85°C
3
T
A
= -40°C
2
T
A
= +25°C
T
A
= -40°C
1
0
0
200
400
600
800
1000
0
200
400
600
800
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
800
1000
FREQUENCY (MHz)
LOOP-OUT AMPLIFIER
NOISE FIGURE vs. FREQUENCY
MAX2130 toc07
NOISE FIGURE vs. R
BIAS
MAX2130 toc08
INPUT P1dB vs. TEMPERATURE
4
3
INPUT P1dB (dBm)
2
1
0
-1
-2
-3
-4
-5
LOOP-OUT AMPLIFIER
LNA
MAX2130 toc09
6
T
A
= +85°C
5
NOISE FIGURE (dB)
4
3
2
1
0
0
200
400
600
800
T
A
= +25°C
T
A
= -40°C
5.0
4.5
4.0
NOISE FIGURE (dB)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
LNA
LOOP-OUT AMPLIFIER
5
1000
10.0
12.5
15.0
17.5
R
BIAS
(kΩ)
20.0
22.5
25.0
-40
-15
10
35
60
85
FREQUENCY (MHz)
TEMPERATURE (°C)
INPUT P1dB vs. R
BIAS
MAX2130 toc10
INPUT IP2 vs. TEMPERATURE
MAX2130 toc11
LNA
INPUT IP2 vs. R
BIAS
MAX2130 toc12
4
3
2
INPUT P1dB (dBm)
1
0
-1
-2
-3
LOOP-OUT AMPLIFIER
-4
-5
10.0
12.5
15.0
17.5
R
BIAS
(kΩ)
20.0
22.5
LNA
35
34
33
INPUT IP2 (dBm)
32
31
30
29
28
27
26
25
LNA
LOOP-OUT AMPLIFIER
45
40
100MHz
INPUT IP2 (dBm)
35
30
25
20
800MHz
15
600MHz
25.0
-40
-15
10
35
60
85
10
15
R
BIAS
(kΩ)
20
25
TEMPERATURE (°C)
4
_______________________________________________________________________________________
Broadband, Two-Output, Low-Noise
Amplifier for TV Tuner Applications
MAX2130
Typical Operating Characteristics (continued)
(MAX2130 EV kit, V
CC
= +5V, R
BIAS
= 15kΩ ±1%, T
A
= +25°C, unless otherwise noted.)
LOOP-OUT AMPLIFIER
INPUT IP2 vs. R
BIAS
MAX2130 toc13
INPUT IP3 vs. TEMPERATURE
MAX2130-14
LNA
INPUT IP3 vs. R
BIAS
600MHz
18
INPUT IP3 (dBm)
MAX2130 toc15
45
100MHz
40
INPUT IP2 (dBm)
19.0
18.5
18.0
INPUT IP3 (dBm)
17.5
17.0
16.5
LOOP-OUT AMPLIFIER
16.0
LNA
20
35
600MHz
30
16
100MHz
14
800MHz
12
25
800MHz
20
10
15
R
BIAS
(kΩ)
20
25
15.5
15.0
-40
-15
10
35
60
85
TEMPERATURE (°C)
10
10
15
R
BIAS
(kΩ)
20
25
LOOP-OUT AMPLIFIER
INPUT IP3 vs. R
BIAS
MAX2130 toc16
ISOLATION vs. FREQUENCY
MAX2130 toc17
IN PORT
RETURN LOSS vs. FREQUENCY
Z
O
= 75Ω
35
RETURN LOSS (dB)
30
25
20
15
10
MAX2130 toc18
20
600MHz
18
INPUT IP3 (dBm)
0
OUT2 TO OUT1
-10
ISOLATION (dB)
-20
-30
OUT2 TO IN
-40
-50
OUT1 TO IN
40
16
14
100MHz
12
800MHz
10
10
15
R
BIAS
(kΩ)
20
25
5
0
0
200
400
600
800
1000
0
200
400
600
800
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
-60
OUT1 PORT
RETURN LOSS vs. FREQUENCY
MAX2130 toc19
OUT2 PORT
RETURN LOSS vs. FREQUENCY
45
40
RETURN LOSS (dB)
35
30
25
20
15
10
5
Z
O
= 75Ω
MAX2130 toc20
20
Z
O
= 75Ω
15
RETURN LOSS (dB)
50
10
5
0
0
200
400
600
800
1000
FREQUENCY (MHz)
0
0
200
400
600
800
1000
FREQUENCY (MHz)
_______________________________________________________________________________________
5
FPGA/CPLD
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
