u3741bm ATMEL Corporation, u3741bm Datasheet - Page 25

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

Electrical Characteristics (Continued)
All parameters refer to GND, T
(V
Electrical Characteristics
All parameters refer to GND, T
(V
4662B–RKE–10/04
Parameters
Current consumption
LNA Mixer
Third-order intercept point
LO spurious emission at RF
Noise figure LNA and mixer (DSB)
LNA_IN input impedance
1 dB compression point (LNA, mixer, IF
amplifier)
Parameter
Delay until the
program
window starts
(Figure 17,
Figure 20)
Programming
window
(Figure 17,
Figure 20)
Time frame
of a bit
(Figure 20)
Programming
pulse (Figure
17, Figure 20)
Equivalent
acknowledge
pulse: E_Ack
(Figure 20)
Equivalent
time window
(Figure 20)
OFF-bit
programming
window
(Figure 17)
S
S
= 5 V, T
= 5 V, T
amb
amb
Test Condition
= 25°C)
= 25°C)
In
amb
amb
= -40°C to +105°C, V
= -40°C to +105°C, V
Symbol
t10
t4
t5
t6
t7
t8
t9
Test Conditions
Sleep mode
(XTO and polling logic active)
IC active
(startup-, bit check-, receiving mode)
pin DATA = H
LNA/mixer/IF amplifier
input matched according to Figure 4
Input matched according to Figure 4,
required according to I-ETS 300220
Input matching according to Figure 4
at 433.92 MHz
at 315 MHz
Input matched according to Figure 4,
referred to RF
Min.
133
6.76438-Mhz Osc.
(Mode 1)
in
S
S
Typ.
= 4.5 V to 5.5 V, f
1060
= 4.5 V to 5.5 V, f
131
530
265
534
930
Max.
529
Min.
131
0
0
= 433.92 MHz and f
= 433.92 MHz and f
4.90625-Mhz Osc.
(Mode 0)
Typ.
1044
129
522
261
526
916
Symbol
Zi
IS
IP
IIP3
IS
IS
LNA_IN
NF
LORF
1db
off
on
Max.
521
0
0
= 315 MHz, unless otherwise specified.
= 315 MHz, unless otherwise specified.
Min.
Min.
64 ×
T
Clk
Variable Oscillator
1.0 || 1.56
1.3 || 1.0
Typ.
190
449.5 × T
-28
-73
-40
7.0
63.5 × T
256 × T
512 × T
128 × T
258 × T
7
Typ.
U3741BM
Clk
Clk
Clk
Clk
Clk
Clk
Max.
350
8.6
-57
Max.
256 ×
T
Clk
kΩ || pF
kΩ || pF
dBm
dBm
dBm
Unit
mA
µA
dB
Unit
µs
µs
µs
µs
µs
µs
µs
25