ML2721DH View Datasheet(PDF) - Micro Linear Corporation
Part Name
Description
Manufacturer
ML2721DH Datasheet PDF : 27 Pages
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PRELIMINARY
ELECTRICAL TABLES (continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
RECEIVE CHAIN (Continued)
Receive conducted emissions from RF
input
Receive RF input impedance
900 to 930MHz
Receive RF mixer image rejection
Measured at 3.5MHz offset
Receive adjacent channels rejection @
2.048MHz channel spacing
–80dBm
1 channel
2 channels
3 or more channels
IF FILTERS
IF filter type, 3dB point
6th order Gaussian to 12dB
IF filter center frequency
After 300µs of realignment
IF filter attenuation at 320kHz
Within 10ms of alignment,
referenced to 1024kHz
IF filter attenuation at 1725kHz
Within 10ms of alignment
referenced to 1024kHz
LIMITER, AGC AND FM DEMODULATOR
Recovery from overload
From 0dBm at input
Eb/No
For 12.5% CER
Co-channel rejection,12.5% CER
–80dBm, modulated with 1.536
Mb/s GFSK, BT = 0.5, PRBS data
AM tolerance, 12.5% CER
–80dBm, AM modulated at 100kHz
RSSI Performance
RSSI rise time: <–100dBm to –15dBm into 20pf load, 20% to 80%
the IF mixer
RSSI fall time: <–15dBm to –100dBm into 20pf load, 20% to 80%
the IF mixer
RSSI maximum voltage
–15dBm in
RSSI minimum voltage
No signal
RSSI sensitivity, mid range
RSSI maximum signal
Sensitivity >50%
RSSI minimum signal
Sensitivity >50%
RSSI accuracy
Receiver Settling Time
From PLLEN low to valid data
Receive Data Filter (Note 2)
Bandwidth
3dB
Attenuation
>10MHz
TRANSMIT RF DRIVER
Driver amplifier output power
Into 50W
Driver amplifier output return loss
900 to 930MHz
TYP
–50
TBD
35
15
40
45
1.024
3
3
<20
3
4
90
5
5
2.8
0.05
35
–15
–95
3
<50
768
60
0
14
ML2721
MAX UNITS
dBm
W
dB
dB
MHz
dB
dB
µs
dB
dB
%
µs
µs
V
V
mV/dB
dBm
dBm
dB
µs
kHz
dB
dBm
dB
January, 2000 PRELIMINARY DATASHEET
25
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