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MAX7034 Datasheet(PDF) 1 Page - Maxim Integrated Products

Part No. MAX7034
Description  315MHz/434MHz ASK Superheterodyne Receiver
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX7034 Datasheet(HTML) 1 Page - Maxim Integrated Products

 
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General Description
The MAX7034 fully integrated low-power CMOS super-
heterodyne receiver is ideal for receiving amplitude-
shift-keyed (ASK) data in the 300MHz to 450MHz
frequency range (including the popular 315MHz and
433.92MHz frequencies). The receiver has an RF sensi-
tivity of -114dBm. With few external components and a
low-current power-down mode, it is ideal for cost-sensi-
tive and power-sensitive applications typical in the
automotive and consumer markets. The MAX7034 con-
sists of a low-noise amplifier (LNA), a fully differential
image-rejection mixer, an on-chip phase-locked loop
(PLL) with integrated voltage-controlled oscillator
(VCO), a 10.7MHz IF limiting amplifier stage with
received-signal-strength indicator (RSSI), and analog
baseband data-recovery circuitry.
The MAX7034 is available in a 28-pin (9.7mm x 4.4mm)
TSSOP package and is specified over the automotive
(-40°C to +125°C) temperature range.
Features
♦ Optimized for 315MHz or 433.92MHz Band
♦ Operates from Single +5.0V Supply
♦ Selectable Image-Rejection Center Frequency
♦ Selectable x64 or x32 fLO/fXTAL Ratio
♦ Low (< 6.7mA) Operating Supply Current
♦ < 3.0µA Low-Current Power-Down Mode for
Efficient Power Cycling
♦ 250µs Startup Time
♦ Built-In 44dB RF Image Rejection
♦ Excellent Receive Sensitivity Over Temperature
♦ -40°C to +125°C Operation
315MHz/434MHz ASK Superheterodyne
Receiver
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
XTAL2
SHDN
PDOUT
DATAOUT
DSP
EN_REG
DFFB
OPP
DSN
DFO
IFIN2
IFIN1
XTALSEL
DVDD
DGND
MIXOUT
IRSEL
AGND
MIXIN2
MIXIN1
AVDD
LNAOUT
AGND
LNASRC
LNAIN
AVDD
VDD5
XTAL1
TSSOP
TOP VIEW
MAX7034
+
Pin Configuration
Ordering Information
Applications
19-3109; Rev 3; 6/12
1
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.
/V denotes an automotive qualified part.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
Typical Application Circuit appears at end of data sheet.
PART
TEMP RANGE
PIN-PACKAGE
MAX7034AUI/V+T
-40
°C to +125°C
28 TSSOP
Automotive Remote
Keyless Entry
Security Systems
Garage Door Openers
Home Automation
Remote Controls
Local Telemetry
Wireless Sensors


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