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MICRF010YM

P1-P3P4-P6P7-P9P10-P12P13-P14
MICRF010
QwikRadio
®
Low-Power UHF Receiver
QwikRadio is a registered trademark of Micrel, Inc. The QwikRadio Ics were developed under a partnership agreement with AIT of Orlando, Florida.
June 2005
M9999-063005
(408) 955-1690
General Description
The MICRF010 is a single chip, ASK/OOK (ON-OFF
Keyed) RF receiver IC recommended for new designs
replacing the MICRF007. It provides the same function with
sensitivity enhancement, typically 6dB better than the
MICRF007. Just like all other members of the QwikRadio
®
family, the MICRF010 achieves low power operation, a
very high level of integration, and it is particularly easy to
use.
All post-detection data filtering is provided on the
MICRF010, so no external baseband filters are required. In
fact, the entire receiver circuit is made of very few external
components and with the 8-pin SOIC package makes it
ideal for small printed circuit board area applications.
The MICRF010 works in fixed-mode (FIX) operation, which
functions as a conventional super-heterodyne receiver.
Fixed-mode provides better selectivity and sensitivity
performance in comparison with sweep mode used in other
Micrel receivers intended for lower cost applications.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
QwikRadio™
Features
• High sensitivity (–104dBm)
• 300MHz to 440MHz frequency range
• Data-rate up to 2.0kbps (Manchester encoding)
• Low power consumption
– 2.9mA fully operational (315MHz)
– 0.15µA in shutdown
– 290µA in polled mode (10:1 duty-cycle)
• Shutdown input
• Automatic tuning, no manual adjustment
• Very low RF re-radiation at the antenna
• Highly integrated with extremely low external part count
Applications
• Automotive remote keyless entry (RKE)
• Long range RF identification
• Remote fan and light control
• Garage door and gate openers
Ordering Information
Part Number
Standard Pb-Free
Operating Mode Shutdown Package
MICRF010BM MICRF010YM Fixed Yes 8-pin SOIC
Typical Application
17cm 22AWG MAGNET WIRE
433.92Mhz 1000 bps Manchester Encoded On-Off Keyed Receiver
Micrel MICRF010
June 2005
2
M9999-063005
(408) 955-1690
Pin Configuration
Standard 8-Pin SOIC (M)
Pin Description
Pin Number Pin Name Pin Function
1 VSS
Ground Return (input): ground return to the power supply. See “Applications Information” for bypass
capacitor details.
2 ANT
Antenna (Input): See “Applications Information” for information on input impedance. For optimal
performance the antenna impedance should be matched to the antenna pin impedance.
3 VDD
Power Supply (Input): Positive Supply input for the RF IC. Connect a low ESL, low ESR decoupling
capacitor from this to VSS, with lead length kept as short as possible.
4 CTH
[Data Slicing] Threshold Capacitor (External Component): Capacitor extracts the DC average value
from the demodulated waveform, which becomes the reference for the internal data slicing comparator.
See “Applications Information” for selection.
5 DO Digital Output (Output): CMOS level compatible data output signal.
6 SHUT
Shutdown (Input): Shutdown-mode logic-level control input. Pull low to enable the receiver. This input
is pulled-up internally to VDD.
7 CAGC
AGC Capacitor (External Component): Integrating capacitor for on-chip AGC (automatic gain control).
See “Applications Information” for capacitor selection.
8 REFOSC
Reference Oscillator (External Component or Input): Timing reference for on-chip tuning and
alignment.
Micrel MICRF010
June 2005
3
M9999-063005
(408) 955-1690
Absolute Maximum Ratings
(1)
Supply Voltage (V
DDRF
, V
DDBB
)................................... +7V
Input/Output Voltage (V
I/O
) ................ V
SS
–0.3 to V
DD
+0.3
Max Input Power ...................................................+20dBm
Junction Temperature (T
J
) ..................................... +150°C
Storage Temperature Range (T
S
)........... –65°C to +150°C
Lead Temperature (soldering, 10 sec.).................. +260°C
ESD Rating ............................................................. Note 3
Operating Ratings
(2)
Supply Voltage (V
DDRF
, V
DDBB
) ...............+4.75V to +5.5V
Max Input Power ....................................................... 0dBm
RF Frequency Range ............................300MHz to 440Hz
Data Duty-Cycle.............................................. 20% to 80%
Reference Oscillator Input Range........... 0.2V
PP
to 1.5V
PP
Ambient Temperature (T
A
)........................ –40°C to +85°C
Electrical Characteristics
(4)
4.75V ≤ V
DD
≤ 5.5V, V
SS
= 0V; C
AGC
= 4.7µF, C
TH
= 0.022µF; f
REFOSC
= 9.794MHz (equivalent to f
RF
= 315MHz); data rate = 600 bps
(Manchester encoded). T
A
= 25°C, bold values indicate –40°C ≤ T
A
≤ +85°C; current flow into device pins is positive, unless noted.
Symbol Parameter Condition Min Typ Max Units
I
OP
Operating Current continuous operation, f
RF
= 315MHz 2.9
4.5
mA
Polled with 10:1 duty cycle, f
RF
= 315MHz 290
µA
Continuous operation, f
RF
= 433.92MHz 4.7
7.5
µA
Polled with 10:1 duty cycle, f
RF
= 433.92MHz 470
µA
I
STBY
Standby Current V
SHUT
= 0.8VDD 0.15
0.5
µA
RF Section, IF Section
Receiver Sensitivity(4) f
RF
= 315MHz Note 4 –105 dBm
f
RF
= 433.92MHz Note 4 –103
f
IF
IF Center Frequency Note 5 0.86 MHz
f
BW
IF 3dB Bandwidth Note 5 0.6 MHz
Spurious Reverse Isolation
ANT pin, R
SC
= 50Ω
(6)
30
µVrms
AGC Attack to Decay Ratio t
ATTACK
÷ t
DECAY
0.1
AGC Leakage Current T
A
= +85° ±100 nA
Reference Oscillator
Z
REFOSC
Reference Oscillator
Input Impedance
Note 7 290
kΩ
Reference Oscillator Source Note 8 5.0
µA
Demodulator
Z
CTH
CTH Source Impedance Note 9 150 kΩ
I
ZCTH(leak)
CTH Leakage Current T
A
= +85°C ±100 nA
Demodulator Filter Bandwidth Note 5 2000
Hz
P1-P3P4-P6P7-P9P10-P12P13-P14

MICRF010YM

Mfr. #:
Buy MICRF010YM
Manufacturer:
Microchip Technology / Micrel
Description:
RF Receiver (Not Recommended for New Designs)Low Power 300-440MHz High Sensitivity Receiver
Lifecycle:
New from this manufacturer.
Delivery:
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