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MAX2165 数据表(PDF) 1 Page - Maxim Integrated Products

部件名 MAX2165
功能描述  Single-Conversion DVB-H Tuner
Download  24 Pages
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制造商  MAXIM [Maxim Integrated Products]
网页  https://www.maximintegrated.com/en.html
标志 MAXIM - Maxim Integrated Products

MAX2165 数据表(HTML) 1 Page - Maxim Integrated Products

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General Description
The MAX2165 direct-conversion tuner IC is designed for
handheld digital video broadcast (DVB-H) applications.
The tuner covers a 470MHz to 780MHz input frequency
range and features an I/Q baseband interface.
The MAX2165’s direct-conversion architecture elimi-
nates the need for an IF-SAW filter, allowing for
reduced bill of materials cost. The design integrates a
variable-gain, low-noise amplifier (LNA); a notch filter;
an RF tracking filter; a quadrature mixer; a power
detector; programmable baseband lowpass channel-
selection filters; baseband variable-gain amplifiers
(VGA); DC offset correction circuitry; and a complete
fractional-N frequency synthesizer. The part is program-
mable through a 2-wire I2C-compatible serial interface.
The MAX2165 integrates a tuneable notch filter. This fil-
ter is designed to notch out interfering signals in the
830MHz to 950MHz frequency range to allow for opera-
tion in the presence of large cellular signals.
Programmable baseband channel-selection filters allow
for operation with 7MHz and 8MHz channels. Digital DC
offset correction circuitry supports time-sliced operation
by minimizing power-up time delay. The fractional-N
synthesizer reduces VCO lock time and minimizes
close-in phase noise, eliminating the need for power-
hungry, phase-noise reduction algorithms.
The MAX2165 is available in a tiny, 5mm x 5mm x
0.8mm, 28-pin thin QFN package with an exposed pad-
dle. It is specified for operation over the -40°C to +85°C
extended temperature range.
Applications
DVB-H Handheld Receivers
DVB-T Portable Devices
DMB-T/H Portable Devices
ISDB-T Receivers (13 Segment)
Features
o 93mA (typ) Current Consumption from a Single
+2.85V Supply Voltage
o 21mW (typ) Average Power Consumption at 8%
Duty Cycle
o Direct-Conversion Architecture Eliminates IF-
SAW Filter
o Integrated RF Tuneable Notch Filter for Operation
in the Presence of Cellular Blockers
o Integrated DC Offset Correction Circuitry
o Integrated RF Notch Filter for Operation in the
Presence of Up to -7dBm Cellular Blockers
o Extended UHF Band Operation
o 5mm x 5mm x 0.8mm, 28-Pin Thin QFN Package
Single-Conversion DVB-H Tuner
________________________________________________________________
Maxim Integrated Products
1
MAX2165
1
8
9
10
11
12
13
14
28
27
26
25
24
23
22
2
3
4
5
6
7
21
20
19
18
17
16
15
LDO
VTUNE
BBI+
BBI-
VCC_VCO
BB_AGC
GND_TUNE
N.C.
RFIN
ADDR
VCC_RF
LEXT
SCL
SDA
EP
SERIAL INTERFACE, CONTROL,
AND SYNTHESIZER
CHARGE
PUMP
0
°
90
°
PWRDET
DAC
TO
CONTROL
BLOCK
THIN QFN
5mm x 5mm
+
Pin Configuration/
Functional Diagram
Ordering Information
19-0646; Rev 1; 3/09
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
*
EP = Exposed paddle.
EVALUATION
KIT
AVAILABLE
PART
TEMP RANGE
PIN-PACKAGE
MAX2165ETI+
-40°C to +85°C
28 TQFN-EP*


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