u3741bm ATMEL Corporation, u3741bm Datasheet - Page 23

• Manufacturer Part Number: u3741bm
• Description: Uhf Ask Receiver Ic
• Manufacturer: ATMEL Corporation

Absolute Maximum Ratings
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating
only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this
specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Thermal Resistance
Electrical Characteristics
All parameters refer to GND, T
(V
4662B–RKE–10/04
Basic clock
cycle
Start-up time
Time for Bit
Check
Parameter
Basic Clock Cycle of the Digital Circuitry
Extended
basic clock
cycle
Polling Mode
Sleep time
Parameters
Supply voltage
Power dissipation
Junction temperature
Storage temperature
Ambient temperature
Maximum input level, input matched to 50 W
Parameters
Junction ambient
S
= 5 V, T
amb
Test Condition
MODE = 0 (USA)
MODE = 1 (Europe)
BR_Range0
BR_Range1
BR_Range2
BR_Range3
Sleep and X
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
= 25°C)
Bitcheck
Bitcheck
Bitcheck
Bitcheck
= 0
= 3
= 6
= 9
Sleep
are
amb
Sig
= -40°C to +105°C, V
Symbol
T
T
T
T
T
Bitcheck
Bitcheck
T
Startup
Sleep
XClk
Clk
Min.
3/f
6/f
9/f
6.76438-Mhz Osc.
Sig
Sig
Sig
(Mode 1)
S
Sleep
X
1024
2.0697
2.0697
Typ.
= 4.5 V to 5.5 V, f
Sleep
1855
1061
1061
16.6
0.45
0.24
0.14
0.14
Symbol
Symbol
663
8.3
4.1
2.1
P
R
T
T
in_max
P
V
T
amb
thJA
×
×
×
stg
tot
S
j
3.5/f
6.5/f
9.5/f
Max.
Sig
Sig
Sig
Min.
3/f
6/f
9/f
0
= 433.92 MHz and f
Sig
Sig
Sig
4.90625-Mhz Osc.
(Mode 0)
Sleep
Min.
X
1024
2.0383
2.0383
-55
-40
Typ.
Sleep
1827
1045
1045
16.3
0.47
0.26
0.16
0.15
653
8.2
4.1
2.0
×
×
×
3.5/f
6.5/f
9.5/f
Max.
Value
100
Sig
Sig
Sig
0
= 315 MHz, unless otherwise specified.
Min.
Max.
+125
+105
450
150
10
6
Variable Oscillator
320.5
1024
1/(f
1/(f
Sleep
8
4
1
X
2
Typ.
896.5
512.5
512.5
Sleep
×
×
×
XTO
XTO
×
×
T
×
T
T
T
/10)
/14)
Clk
Clk
Clk
Clk
×
×
T
U3741BM
T
Clk
Clk
3.5/f
6.5/f
9.5/f
Max.
T
dBm
Unit
Unit
K/W
mW
XClk
°C
°C
°C
V
Sig
Sig
Sig
Unit
ms
ms
ms
ms
ms
ms
ms
ms
ms
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
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