U3741BM Datasheet, PDF (24/32 Pages) ATMEL Corporation – UHF ASK RECEIVER IC

Electrical Characteristics (Continued)
All parameters refer to GND, T_amb = -40°C to +105°C, V_S = 4.5 V to 5.5 V, f₀ = 433.92 MHz and f₀ = 315 MHz, unless otherwise specified.
(V_S = 5 V, T_amb = 25°C)
6.76438-Mhz Osc.
(Mode 1)
4.90625-Mhz Osc.
(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
1.0
1.0
1.8 1.0
3.2 1.8
5.6 3.2
10.0 5.6
1.8
3.2
5.6
10.0
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
MHz
MHz
kBaud
kBaud
kBaud
kBaud
Minimum time BR_Range0
period
between
BR_Range1
edges at
pin DATA
BR_Range2
(Figure 15)
BR_Range3
Maximum low
period at DATA
(Figure 16)
BR_Range0
BR_Range1
BR_Range2
BR_Range3
OFF
command at
pin ENABLE
(Figure 18)
Configuration of the Receiver
Frequency of
the reset
marker
(Figure 19)
BR_Range0
Programming
start pulse
(Figure 17,
Figure 20)
BR_Range1
BR_Range2
BR_Range3
after POR
Programming
delay period
(Figure 17,
Figure 20)
Synchroni-
zation pulse
(Figure 17,
Figure 20)
T_{DATA_min}
tmin1
tmin2
tmin1
tmin2
tmin1
tmin2
tmin1
tmin2
T_{DATA_L_max}
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
9 × T_XClk
µs
11 × T_XCl
µs
9 × T_XClk
µs
11 × T_XClk
µs
9 × T_XClk
µs
11 × T_XClk
µs
9 × T_XClk
µs
11 × T_XClk
µs
131 × T_XClk
µs
131 × T_XClk
µs
131 × T_XClk
µs
131 × T_XClk
µs
t_Doze
3.1
3.05
1.5 ¥
T_Clk
µs
f_RM
117.9
119.8
----------------¹-----------------
4096 × T_CLK
Hz
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
t3
265
261
128 × T_Clk
µs
24 U3741BM
4662B–RKE–10/04