ML2724
SYMBOL
f
FREF
V
FREF
RECEIVER
Z
IN
NF
DR
RX
S
BW
RX
P
IMAX
I
IP3
IRR
Receiver input impedance
Receiver noise figure
Data Rate
Input Sensitivity
Bandwidth
Maximum RX RF input
Receiver Input IP3
LO leakage at RXI
Mixer Image Rejection Ratio
Adjacent channel rejection
Measured at 3.5MHz offset
-80dBm wanted signal <10
-3
BER
Single 2GFSK modulated interferer
with a 1.5MHz –20dBc bandwidth
1 channel away
2 channels away
3 or more channels away
f
c=
2445MHz
f
c=
2445MHz
FSK modulation, f
dev
=+/-512KHz
<12.5% CER at 1.536Mchip/s
<10e-3 BER at 1.536Mbps
3dB Bandwidth
<12.5% CER at 1.536Mchip/s
<10e-3 BER at 1.536Mb/s
Test tones 2 and 4 channels away
+5
-4
-15
-60
35
-82
2.2+j0
16.5
1.536
-90
-81
770
Ω
dB
Mbps
dBm
dBm
kHz
dBm
dBm
dBm
dBm
dB
PARAMETER
Reference signal frequency
Reference signal input level
6.144MHz or 12.288MHz sine wave,
capacitively coupled
2.0
CONDITIONS
MIN
TYP
6.144
12.288
VCCA
MAX
UNITS
MHz
MHz
V
PP
6
31
36
dB
dB
dB
IF FILTERS
f
IFC
BW
IF
IF filter center frequency
IF filter 3dB bandwidth
After Automatic Filter Alignment
After Automatic Filter Alignment
1.024
1405
MHz
kHz
LIMITER, AGC, AND FM DEMODULATOR
t
OVLD
Recovery from overload
Eb/No
Co-Channel rejection, 10
-3
BER
From +15dBm at input
For 10
-3
BER
-80 dBm, modulated with
1.536Mbps GFSK, BT=0.5, PRBS
data
0.55
I
O
=100µA, TPC Mode
5
10.5
10.5
12
µs
dB
dB
V
ODC
V
OPK
V
OL
Quiescent voltage @ AOUT
Output voltage swing AOUT
AOUT open-drain voltage
1.1
1.1
0.4
V
V
PP
V
RSSI PERFORMANCE
t
RRSSI
t
FRSSI
G
RSMID
V
RSMX
V
RSMD
RSSI rise time No Signal to
-15dBm into the IF mixer
RSSI fall time, < -15dBm to
No Signal into the IF mixer
RSSI sensitivity
RSSI maximum voltage
RSSI midrange voltage
20 pF load, 20% to 80%
20 pF load, 20% to 80%
(V
-40dBm
– V
-60dBm
)/20dB
See Figure 3
-40 dBm into RXI
28
1.8
1.4
4.5
3.0
36
2.3
1.7
2.0
42
µs
µs
mV/dB
V
V
DS2724-F-01
FINAL DATASHEET
APRIL 2003
5
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
