ATA3742 Datasheet, PDF (27/34 Pages) ATMEL Corporation – UHF ASK/FSK Receiver

ATA3742
8. Electrical Characteristics (Continued)
All parameters refer to GND, T_amb = –40°C to +105°C, V_S = 4.5V to 5.5V, f₀ = 433.92 MHz and f₀ = 315 MHz, unless otherwise specified.
(V_S = 5V, T_amb = 25°C)
6.76438 Mhz Oscillator
(Mode 1)
4.90625 Mhz Oscillator
(Mode 0)
Variable Oscillator
Parameter Test Condition
Symbol Min. Typ. Max. Min. Typ. Max. Min.
Typ.
Max. Unit
Receiving Mode
Intermediate MODE=0 (USA)
frequency
MODE=1 (Europe)
f_IF
Baud-rate
range
BR_Range0
BR_Range1
BR_Range2
BR_Range3
1.0
BR_Range
1.8
3.2
5.6
Minimum time BR_Range0
period
between
BR_Range1
edges at
pin DATA
BR_Range2
(Figure 5-9 on
page 18)
BR_Range3
T_{DATA_min}
tmin1
tmin2
tmin1
tmin2
tmin1
tmin2
tmin1
tmin2
Maximum low ^BR_Range0
period at DATA BR_Range1
(Figure 5-10 BR_Range2
on page 18) _{BR_Range3}
T_{DATA_L_max}
1.0
1.0
1.8
1.0
1.8
3.2
1.8
3.2
5.6
3.2
5.6
10.0 5.6
10.0
149
182
75
91
37.3
45.5
18.6
22.8
2169
1085
542
271
147
179
73
90
36.7
44.8
18.3
22.4
2136
1068
534
267
f_XTO × 64 / 314
f_XTO × 64 / 432.92
BR_Range0 × 2 µs / T_Clk
BR_Range1 × 2 µs / T_Clk
BR_Range2 × 2 µs / T_Clk
BR_Range3 × 2 µs / T_Clk
9 × T_XClk
11 × T_XClk
9 × T_XClk
11 × T_XClk
9 × T_XClk
11 × T_XClk
9 × T_XClk
11 × T_XClk
131 × T_XClk
131 × T_XClk
131 × T_XClk
131 × T_XClk
MHz
MHz
kBaud
kBaud
kBaud
kBaud
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
OFF
command at
pin ENABLE
(Figure 5-12
t_Doze
3.1
3.05
1.5 ×
T_Clk
µs
on page 20)
Configuration of the Receiver
Frequency of
the reset
marker
(Figure 5-13
on page 24)
f_RM
117.9
119.8
----------------1------------------
4096 × T_CLK
Hz
BR_Range0
Programming BR_Range1
start pulse
(Figure 5-11 BR_Range2
on page 19,
Figure 5-14 on BR_Range3
page 24)
after POR
Programming
delay period
(Figure 5-11
on page 19,
Figure 5-14 on
page 24)
2188
1104
t₁
561
290
11656
t₂
795
3176 2155
3176 1087
3176 553
3176 286
11479
798 783
3128
3128
3128
3128
1057 ×
T_Clk
533 ×
T_Clk
271 ×
T_Clk
140 ×
T_Clk
5632 ×
T_Clk
786
384.5 ×
T_Clk
1535 ×
T_Clk
1535 ×
T_Clk
1535 ×
T_Clk
µs
1535 ×
T_Clk
385.5 ×
T_Clk
µs
27
4900A–RKE–11/05