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19-1806; Rev 1; 8/03
ATION
EVALU
AVAILA
KIT
BLE
Broadband, Two-Output, Low-Noise
Amplifier for TV Tuner Applications
General Description
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
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 = 15k Ω )
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 = 15k Ω )
8.7dB Gain
4.2dB Noise Figure
+17dBm Input IP3
+29dBm Input IP2
-0.5dBm Input 1dB Compression Point
? Programmable Linearity vs. Supply Current
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
Pin Configuration appears at end of data sheet.
MAX2130EUA
*Exposed paddle
-40 ° C to +85 ° C
8 μMAX-EP*
Typical Application Circuit
V CC
CHOKE
MURATA
BLM11A221S
220pF
1000pF
V CC
10 μ F
1000pF
47pF
V CC
OUT1
0.1 μ F
LNA
OUTPUT
OPTIONAL: DYNAMIC
MAX2130
GND
LINEARITY ADJUSTMENT CIRCUIT
INPUT
IN
DAC
V ADJ
R ADJ
1.2V
R BIAS
15k Ω
0.1 μ F
BIAS
GND
GND
OUT2
LOOP-OUT
OUTPUT
0.1 μ F
________________________________________________________________ Maxim Integrated Products
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.
1
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MAX2135AETN/V+T 功能描述:调谐器 ISDB/DVB Tuner w/Diversity RoHS:否 制造商:NXP Semiconductors 功能: 噪声系数: 工作电源电压: 最小工作温度: 最大工作温度:
MAX2135AETN+ 功能描述:调谐器 ISDB/DVB Tuner w/Diversity RoHS:否 制造商:NXP Semiconductors 功能: 噪声系数: 工作电源电压: 最小工作温度: 最大工作温度:
MAX2135AETN+T 功能描述:调谐器 ISDB/DVB Tuner w/Diversity RoHS:否 制造商:NXP Semiconductors 功能: 噪声系数: 工作电源电压: 最小工作温度: 最大工作温度: