U3745BM-MFL ATMEL [ATMEL Corporation], U3745BM-MFL Datasheet - Page 26

• Manufacturer Part Number: U3745BM-MFL
• Description: UHF ASK RECEIVER IC
• Manufacturer: ATMEL [ATMEL Corporation]

Electrical Characteristics
All parameters refer to GND, V
possible operating range refer to different circuit conditions: V
26
Receiving Mode
Configuration of the Receiver
Minimum time
Frequency of
Maximum low
Intermediate
Pin ENABLE
command at
(Figure 18)
Parameter
Time for Bit
(Figure 14)
(Figure 15)
(Figure 17)
frequency
Baud rate
the reset
Pin DATA
edges at
period at
between
marker
period
check
range
DATA
OFF
U3745BM
Bit check time for a
MODE=1 (Europe)
Average bit check
time while polling
valid input signal
Test Condition
MODE=0 (USA)
BR_Range0
BR_Range1
BR_Range2
BR_Range3
BR_Range0
BR_Range1
BR_Range2
BR_Range3
BR_Range0
BR_Range1
BR_Range2
BR_Range3
BR_Range0
BR_Range1
BR_Range2
BR_Range3
N
N
N
N
Bitcheck
Bitcheck
Bitcheck
Bitcheck
f
Sig
= 0
= 3
= 6
= 9
BR_Range
S
T
Symbol
T
DATA_L_max
T
T
= 5 V, T
DATA_min
tmin1
tmin2
tmin1
tmin2
tmin1
tmin2
tmin1
tmin2
Bitcheck
Bitcheck
t
f
Doze
RM
f
IF
amb
Min.
3/f
6/f
9/f
1.0
1.8
3.2
5.6
3.1
Sig
Sig
Sig
6.76438-Mhz Osc.
= 25 ° C, f
(Mode 1)
117.9
2169
1085
Typ.
0.45
0.24
0.14
0.14
37.3
45.5
18.6
22.8
149
182
542
271
1.0
75
91
0
= 433.92 MHz and f
3.5/f
6.5/f
9.5/f
Max.
10.0
1.8
3.2
5.6
S
Sig
Sig
Sig
= 4.5 V to 5.5 V, T
3/f
6/f
9/f
Min.
3.05
1.0
1.8
3.2
5.6
Sig
Sig
Sig
4.90625-Mhz Osc.
(Mode 0)
119.8
2136
1068
Typ.
0.47
0.26
0.16
0.15
36.7
44.8
18.3
22.4
147
179
534
267
1.0
73
90
0
= 315 MHz, unless otherwise specified. The
3.5/f
6.5/f
9.5/f
Max.
10.0
amb
1.8
3.2
5.6
Sig
Sig
Sig
= -40 ° C to +85 ° C
1.5
Min.
T
Clk
BR_Range0
BR_Range1
BR_Range2
BR_Range3
´
Variable Oscillator
f
XTO
f
XTO
------------------------------- -
4096 T
131
131
131
131
´ 64 / 432.92
11
11
11
11
9
9
9
9
´ 64 / 314
T
´
´
´
´
Typ.
´
´
´
´
´
´
´
´
XClk
1
T
T
T
T
´
´
´
´
´
T
T
T
T
XClk
XClk
XClk
XClk
T
T
T
T
XClk
XClk
XClk
2 ms / T
2 ms / T
2 ms / T
2 ms / T
XCl
XClk
XClk
XClk
XClk
CLK
4663A–RKE–06/03
3.5/f
6.5/f
9.5/f
Max.
Clk
Clk
Clk
Clk
Sig
Sig
Sig
kBaud
kBaud
kBaud
kBaud
Unit
MHz
MHz
ms
ms
ms
ms
ms
ms
ms
ms
Hz
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs