ATA8204_14 Datasheet, PDF (32/45 Pages) ATMEL Corporation – Industrial UHF ASK/FSK Receiver

17. Electrical Characteristics Atmel ATA8203
All parameters refer to GND, T_amb = 25°C, V_S = 5V, f₀ = 315MHz unless otherwise specified.
Test
No. Parameter Conditions
Symbol
f_RF = 315MHz
14.71875MHz Oscillator
Min. Typ. Max.
Min.
Typ.
Max.
Variable Oscillator
Min.
Typ.
Max.
Unit Type*
1 Basic Clock Cycle of the Digital Circuitry
1.1
Basic clock
cycle
T_Clk
2.0382
2.0382
30/f_XTO
30/f_XTO
µs
A
Extended
1.2 basic clock
cycle
BR_Range0
BR_Range1
BR_Range2
BR_Range3
2 Polling Mode
T_XClk
16.3057
8.1528
4.0764
2.0382
16.3057
8.1528
4.0764
2.0382
8 × T_Clk
4 × T_Clk
2 × T_Clk
1 × T_Clk
8 × T_Clk µs
4 × T_Clk
2 × T_Clk
µs
µs
A
1 × T_Clk µs
2.1
Sleep time
(see
Figure 8-1,
Figure 8-10
and
Figure 13-1)
Sleep and
XSleep are
defined in the
OPMODE
register
T_Sleep
Sleep ×
X_Sleep ×
1024 ×
2.0382
Sleep ×
X_Sleep ×
1024 ×
2.0382
Sleep ×
X_Sleep ×
1024 × T_Clk
Sleep ×
X_Sleep ×
ms
A
1024 × T_Clk
2.2
Start-up time
(see Figure
8-1 and
Figure 8-4)
BR_Range0
BR_Range1
BR_Range2
BR_Range3
T_Startup
Average bit-
check time
while polling,
2.3
Time for bit
check (see
Figure 8-1
no RF applied
(see Figure 8-5
and Figure 8-6)
BR_Range0
T_Bit-check
BR_Range1
BR_Range2
BR_Range3
1827
1044
1044
653
0.45
0.24
0.14
0.08
1827
1044
1044
653
896.5
512.5
512.5
320.5
× T_Clk
896.5
512.5
512.5
320.5
× T_Clk
µs
µs
µs A
µs
µs
C
0.45
ms
0.24
ms
0.14
ms
0.08
ms
Bit-check time
for a valid input
2.4
Time for bit
check (see
Figure 8-1
signal f_Sig (see
Figure 8-5)
N_Bit-check = 0
N_Bit-check = 3
N_Bit-check = 6
N_Bit-check = 9
3 Receiving Mode
T_Bit-check
1 × T_XClk
3/f_Sig
6/f_Sig
9/f_Sig
1 × T_XClk
3.5/f_Sig
6.5/f_Sig
9.5/f_Sig
1 × T_XClk
3/f_Sig
6/f_Sig
9/f_Sig
C
1 × T_Clk ms
3.5/f_Sig ms
6.5/f_Sig ms
9.5/f_Sig ms
3.1
Intermediate
frequency
f_IF
987
f_IF = f_LO/318
kHz A
BR_Range0
1.0
1.8
3.2
Baud-rate
range
BR_Range1
BR_Range2
BR_Rang
e
1.8
3.2
3.2
5.6
BR_Range3
5.6
10.0
BR_Range0 × 2 µs/T_Clk
BR_Range1 × 2 µs/T_Clk
BR_Range2 × 2 µs/T_Clk
BR_Range3 × 2 µs/T_Clk
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Kbit/s
Kbit/s
Kbit/s
A
Kbit/s
32 ATA8203/ATA8204/ATA8205 [DATASHEET]
9121D–INDCO–09/14