Rainbow-electronics MAX7036 Instrukcja Użytkownika

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General Description
The MAX7036 low-cost receiver is designed to receive
amplitude-shift-keyed (ASK) and on-off-keyed (OOK)
data in the 300MHz to 450MHz frequency range. The
receiver has an RF input signal range of -109dBm to
0dBm.
The MAX7036 requires few external components and
has a power-down pin to put it in a low-current sleep
mode, making it ideal for cost- and power-sensitive
applications. The low-noise amplifier (LNA), phase-
locked loop (PLL), mixer, IF filter, received-signal-
strength indicator (RSSI), and baseband sections are
all on-chip. The MAX7036 uses a very-low intermediate
frequency (VLIF) architecture. The MAX7036 integrates
the IF filter on-chip and therefore eliminates an external
ceramic filter, reducing the bill-of-materials cost. The
device also contains an on-chip automatic gain control
(AGC) that reduces the LNA gain by 30dB when the
input signal power is large. The MAX7036 operates
from either a 5V or a 3.3V power supply and draws
5.5mA (typ) of current.
The MAX7036 is available in a 20-pin thin QFN pack-
age with an exposed pad and is specified over the
AEC-Q100 Level 2 (-40°C to +105°C) temperature
range.
Applications
Low-Cost RKE
Garage Door Openers
Remote Controls
Home Automation
Sensor Networks
Security Systems
Features
o ASK/OOK Modulation
o < 250µs Enable Turn-On Time
o On-Chip PLL, VCO, Mixer, IF, Baseband
o Low IF (200kHz Nominal)
o 5.5mA DC Current
o 1µA Standby Current
o 3.3V/5V Operation
o Small 20-Pin Thin QFN Package with an Exposed
Pad
MAX7036
300MHz to 450MHz ASK Receiver
with Internal IF Filter
________________________________________________________________
Maxim Integrated Products
1
MAX7036
THIN QFN
5mm x 5mm
TOP VIEW
19
20
EP*
+
18
17
7
6
8
XTAL2
AVDD
LNAIN
9
ENABLE
OPP
DVDD
IFC3
DFFB
12
PDOUT
45
15 14 12 11
V
DD
DATAOUT
IFC2
MIXIN1
MIXIN2
LNAOUT
XTAL1
DCOC
3
13
DSN
16
10
IFC1
DSP
Pin Configuration
Ordering Information
19-4386; Rev 0; 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.
EVALUATION KIT
AVAILABLE
PART TEMP RANGE PIN-PACKAGE
MAX7036GTP/V+
-40°C to +105°C
20 Thin QFN-EP*
/V
Denotes an automative qualified part.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
*
EP = Exposed pad.
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Podsumowanie treści

Strona 1 - Ordering Information

General DescriptionThe MAX7036 low-cost receiver is designed to receiveamplitude-shift-keyed (ASK) and on-off-keyed (OOK)data in the 300MHz to 450MHz

Strona 2 - ABSOLUTE MAXIMUM RATINGS

MAX7036 For example, to choose a Butterworth filter responsewith a corner frequency of 6kHz:Choosing standard capacitor values changes C5 to390pF a

Strona 3 - AC ELECTRICAL CHARACTERISTICS

times larger than the resistor in the RC smoothing cir-cuit between DSP and DSN. This circuit will provide aninstantaneous jump of one-half of the DSP

Strona 4

MAX7036300MHz to 450MHz ASK Receiver with Internal IF FilterMaxim cannot assume responsibility for use of any circuitry other than circuitry entirely

Strona 5

MAX7036300MHz to 450MHz ASK Receiver with Internal IF Filter2 _______________________________________________________________________________________A

Strona 6 - Pin Description

MAX7036300MHz to 450MHz ASK Receiver with Internal IF Filter_______________________________________________________________________________________ 3P

Strona 7 - Pin Description (continued)

MAX7036300MHz to 450MHz ASK Receiver with Internal IF Filter4 _______________________________________________________________________________________A

Strona 8 - Applications Information

MAX7036300MHz to 450MHz ASK Receiver with Internal IF Filter_______________________________________________________________________________________ 5S

Strona 9 - Data Filter

MAX7036300MHz to 450MHz ASK Receiver with Internal IF Filter6 _______________________________________________________________________________________P

Strona 10 - MAX7036

MAX7036300MHz to 450MHz ASK Receiver with Internal IF Filter_______________________________________________________________________________________ 7F

Strona 11 - Table 2. Component Values

MAX7036Detailed DescriptionThe MAX7036 CMOS RF receiver, and a few externalcomponents, provide the complete receiver chain fromthe antenna to the digi

Strona 12 - Typical Application Circuit

an error in the reference frequency. A crystal designedto operate at a higher load capacitance than the valuespecified for the oscillator is always pu

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