RX5000 RFM, RX5000 Datasheet - Page 7

• Manufacturer Part Number: RX5000
• Description: ASH RX 115.2 KBPS 433.92 MHZ
• Manufacturer: RFM
• Type: Receiverr

Specifications of RX5000

• Frequency: 433.92MHz
• Sensitivity: -109dBm
• Data Rate - Maximum: 115.2kbps
• Modulation Or Protocol: ASK, OOK
• Applications: General Data Transfer
• Current - Receiving: 3.8mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.2 V ~ 3.7 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: SM-20L
• Operating Frequency: 434.12 MHz
• Operating Supply Voltage: 2.5 V or 3.3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Supply Current: 3 mA
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS compliant by exemption
• Features: -
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 583-1074-2

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©2008 by RF Monolithics, Inc.
AGC Timing
The maximum AGC engage time t
a -30 dBm RF signal with a 1 µs envelope rise time.
The minimum AGC hold-in time is set by the value of the capacitor
at the AGCCAP pin. The hold-in time t
t
Peak Detector Timing
The Peak Detector attack time constant is set by the value of the
capacitor at the PKDET pin. The attack time t
where t
time constant t
Pulse Generator Timing
In the low data rate mode, the interval t
of an ON pulse to the first RF amplifier and the rising edge of the
next ON pulse to the first RF amplifier is set by a resistor R
between the PRATE pin and ground. The interval can be adjusted
between 0.1 and 5 µs with a resistor in the range of 51 K to 2000
K. The value of the R
R
In the high data rate mode (selected at the PWIDTH pin) the
receiver RF amplifiers operate at a nominal 50%-50% duty cycle.
In this case, the period t
first RF amplifier to the start of the next ON pulse to the first RF
amplifier is controlled by the PRATE resistor over a range of 0.1 to
1.1 µs using a resistor of 11 K to 220 K. In this case R
by:
R
Receiver Event Timing, 3.0 Vdc, -40 to +85 °C
Turn On to Receive
Sleep to RX
RX to Sleep
AGC Engage
AGE Hold-In
PKDET Attack Time Constant
PKDET Decay Time Constant
PRATE Interval
PWIDTH RFA1
PWIDTH RFA2
PRATE Cycle
PWIDTH High (RFA1 & RFA2)
LPF Group Delay
LPF 3 dB Bandwidth
BBOUT-CMPIN Time Constant
AGH
PR
PR
= 404* t
= 198* t
is in µs and C
PKA
PRI
PRC
Event
is in µs and C
+ 10.5, where t
E-mail: [e-mail]
PKD
- 8.51, where t
AGC
= 1000*t
PR
is in pF.
PRC
is given by:
PKD
PKA
PRI
PRC
from the start of an ON pulse to the
is in pF. The Peak Detector decay
Symbol
is in µs, and R
.
t
t
t
t
t
t
t
t
t
t
is in µs and R
f
t
PWH
AGC
AGH
PW1
PW2
t
t
t
PKA
PKD
PRC
FGD
BBC
LPF
PRI
PR
SR
RS
AGC
PRI
is 5 µs after the reception of
AGH
3*t
0.05 to 0.55 µs
between the falling edge
0.1 to 1.1 µs
0.55 to 1 µs
0.064*C
C
C
0.1 to 5 µs
1445/R
1000*t
= C
BBC
1750/f
1.1*t
PKD
PR
AGC
3*t
PR
Time
10 µs
5 µs
PKA
AGC
is in kilohms
+ 15 ms
BBC
/4167
is in kilohms
/19.1
PW1
PKA
LPF
LPF
BBO
= C
/19.1, where
PKD
PR
/4167,
is given
range
range
range
range
range
Min/
Max
max
max
max
max
max
min
min
min
min
min
PR
Table 1
1 µs CNTRL0/CNTROL 1 fall times time until receiver is in power-down mode
10 ms supply voltage rise time
1 µs CNTRL0/CNTROL 1 rise
1 µs rise time, -30 dBm signal
f
LPF
In the low data rate mode, the PWIDTH pin sets the width of the
ON pulse to the first RF amplifier t
ground (the ON pulse width to the second RF amplifier t
at 1.1 times the pulse width to the first RF amplifier in the low data
rate mode). The ON pulse width t
0.55 and 1 µs with a resistor value in the range of 200 K to 390 K.
The value of R
R
However, when the PWIDTH pin is connected to Vcc through a 1
M resistor, the RF amplifiers operate at a nominal 50%-50% duty
cycle, facilitating high data rate operation. In this case, the RF
amplifiers are controlled by the PRATE resistor as described
above.
LPF Group Delay
The low-pass filter group delay is a function of the filter 3 dB
bandwidth, which is set by a resistor R
pin. The minimum 3 dB bandwidth f
in kHz, and R
The maximum group delay t
t
CAGC in pF, t
FGD
t
C
t
PW
FGD
BBC
high data rate mode
high data rate mode
Test Conditions
t
low data rate mode
low data rate mode
low data rate mode
PKD
in kHz, R
PKD
= 404* t
is in µs, f
in µs, C
in µs, f
in pF, t
and t
times
LPF
PKA
PW1
LPF
BBO
PKA
AGH
LPF
LPF
in kilohms
PW
in µs
in kHz
- 18.6, where t
in µs
in pF
in µs
is in kilohms.
in kHz, and R
is given by:
FGD
PW1
RFA1 switches from 35 to 5 dB gain
LPF
= 1750/f
is in µs and R
user selected; longer than t
PW1
time until receiver operational
time until receiver operational
PW1
LPF
in kilohms.
LPF
slaved to attack time
user selected mode
user selected mode
user selected mode
user selected mode
user selected mode
can be adjusted between
with a resistor R
= 1445/R
user selected
user selected
user selected
user selected
LPF
to ground at the LPFADJ
Notes
= 1.21*R
PW
is in kilohms
LPF
, where f
LPF
RX5000 - 4/7/08
PW
PW2
Page 7 of 10
, where
PKD
to
LPF
is set
is