u3742bm ATMEL Corporation, u3742bm Datasheet - Page 25

• Manufacturer Part Number: u3742bm
• Description: Uhf Ask/fsk Receiver
• Manufacturer: ATMEL Corporation

Electrical Characteristics
All parameters refer to GND, T
wise specified. (V
4735A–RKE–11/03
Parameter
Basic clock
cycle
Start-up time
Basic Clock Cycle of the Digital Circuitry
Extended
basic clock
cycle
Polling Mode
Sleep time
Time for Bit
Check
Receiving Mode
Intermediate
frequency
Baud rate
range
Minimum time
period
between
edges at
pin DATA
(Figure 19 on
page 17)
Test Condition
MODE = 0 (USA)
MODE = 1 (Europe)
BR_Range0
BR_Range1
BR_Range2
BR_Range3
Sleep and XSleep
are defined in the
OPMODE register
BR_Range0
BR_Range1
BR_Range2
BR_Range3
Average bit check
time while polling
BR_Range0
BR_Range1
BR_Range2
BR_Range3
Bit check time for a
valid input signal f
N
N
N
N
MODE=0 (USA)
MODE=1 (Europe)
BR_Range0
BR_Range1
BR_Range2
BR_Range3
BR_Range0
BR_Range1
BR_Range2
BR_Range3
Bitcheck
Bitcheck
Bitcheck
Bitcheck
S
= 5 V, T
= 0
= 3
= 6
= 9
amb
Sig
amb
= 25 ° C)
BR_Range
T
Symbol
T
T
T
T
DATA_min
T
tmin1
tmin2
tmin1
tmin2
tmin1
tmin2
tmin1
tmin2
Bitcheck
Bitcheck
Startup
T
= -40 ° C to +105 ° C, V
Sleep
XClk
f
Clk
IF
6.76438 Mhz Oscillator
Min.
3/f
6/f
9/f
1.0
1.8
3.2
5.6
Sig
Sig
Sig
(Mode 1)
Sleep
X
2.0697
1024
2.0697
1855
1061
1061
Typ.
16.6
Sleep
0.45
0.24
0.14
0.14
37.3
45.5
18.6
22.8
663
149
182
8.3
4.1
2.1
1.0
75
91
´
´
´
S
= 4.5 V to 5.5 V, f
3.5/f
6.5/f
9.5/f
Max.
10.0
1.8
3.2
5.6
Sig
Sig
Sig
Min.
3/f
6/f
9/f
4.90625 Mhz Oscillator
1.0
1.8
3.2
5.6
Sig
Sig
Sig
(Mode 0)
Sleep
X
2.0383
1024
2.0383
1827
1045
1045
Typ.
16.3
Sleep
0.47
0.26
0.16
0.15
36.7
44.8
18.3
22.4
653
147
179
8.2
4.1
2.0
1.0
0
73
90
= 433.92 MHz and f
´
´
´
3.5/f
6.5/f
9.5/f
Max.
10.0
1.8
3.2
5.6
Sig
Sig
Sig
T
3/f
6/f
9/f
Min.
XClk
Sig
Sig
Sig
BR_Range0 ´ 2 µs/T
BR_Range1 ´ 2 µs/T
BR_Range2 ´ 2 µs/T
BR_Range3 ´ 2 µs/T
Variable Oscillator
f
0
XTO
f
= 315 MHz, unless other-
XTO
1/(f
1/(f
11 ´ T
11 ´ T
11 ´ T
11 ´ T
9 ´ T
9 ´ T
9 ´ T
9 ´ T
´ 64/432.92
8
4
1
Sleep
X
2
1024
´
896.5
512.5
512.5
320.5
´ 64/314
Typ.
Sleep
XTO
XTO
´
´
´
T
´
T
Clk
T
T
T
T
Clk
XClk
XClk
XClk
XClk
Clk
/10)
/14)
Clk
Clk
Clk
XClk
XClk
XClk
XCl
´
U3742BM
´
´
3.5/f
6.5/f
9.5/f
Clk
Clk
Clk
Clk
Max.
T
XClk
Sig
Sig
Sig
kBaud
kBaud
kBaud
kBaud
MHz
MHz
Unit
ms
ms
ms
ms
ms
ms
ms
ms
ms
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
25