ATA5423 ATMEL Corporation, ATA5423 Datasheet - Page 69

• Manufacturer Part Number: ATA5423
• Manufacturer: ATMEL Corporation

12. Electrical Characteristics: General (Continued)
All parameters refer to GND and are valid for T
and V
about current consumption, timing and digital pin properties can be found in the specific sections of the “Electrical Characteristics”.
4841A–RKE–02/05
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note:
2.10 System bandwidth
2.11
No. Parameters
2.6
2.7
2.8 System noise figure
2.9 Intermediate frequency
VS2
Maximum frequency
offset in FSK mode (TBD)
Supported FSK frequency
deviation (TBD)
System outband
2nd
point with respect to f
= V
1. Pin numbers in brackets mean they were measured with RF_IN matched to 50
–
order input intercept
VAUX
component values according to
with component values according to
= 5.0 V (base
IF
–
station application). Typical values are given at f
Test Conditions
Maximum frequency
difference of f
between receiver and
transmitter in FSK
mode (f
frequency of the FSK
signal with
f
With up to 2 dB
loss of sensitivity.
Note that the tolerable
frequency offset is for
f
lower than for
f
f
f
f
f
f
f
f
f
f
f
This value is for
information only!
Note that for crystal and
system frequency offset
calculations, f
must be used.
f
DEV
DEV
DEV
RF
RF
RF
RF
RF
RF
RF
RF
RF
RF
IF
f
f
f
OFFSET
meas1
meas2
= f
= 315 MHz
= 345 MHz
= 433.92 MHz
= 868.3 MHz
= 915 MHz
= 315 MHz
= 345 MHz
= 433.92 MHz
= 868.3 MHz
= 915 MHz
= ±22 kHz, 6 kHz
= ±16 kHz hence
= ±16 kHz) (TBD)
meas2
= 1,800 MHz
= 2,026 MHz
RF
is the center
±52 kHz
Table 3-2 on page 12
amb
–
RF
OFFSET
= 25°C, V
f
Table 3-7 on page
meas1
VS1
Pin
(4)
(4)
(4)
(4)
(4)
(4)
(4)
(4)
(4)
= V
(1)
VS2
and RF_OUT matched to 50
22.
ATA5423/25/28/29 [Preliminary]
= 3.0 V (1
Symbol
f
SBW
OFFSET
IIP2
f
NF
NF
NF
NF
NF
DEV
f
f
f
f
f
IF
IF
IF
IF
IF
–
RF
battery application), V
= 433.92 MHz unless otherwise specified. Details
Min.
–
±14
58
according to
according to
Typ.
TBD
TBD
+50
±16
227
235
223
226
238
185
6.0
7.0
9.7
VS2
= 6.0 V (2-battery application)
Figure 3-1 on page 11
Max.
Figure 3-10 on page 21
+58
±22
dBm
Unit
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
dB
dB
dB
dB
dB
Type*
with
B
B
B
B
B
B
B
A
A
A
A
A
A
C
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