at86rf401 ATMEL Corporation, at86rf401 Datasheet - Page 3

• Manufacturer Part Number: at86rf401
• Description: Smart Rf Wireless Data Microtransmitter
• Manufacturer: ATMEL Corporation

Figure 3. Sample Circuit
Table 1. Recommended Parts List
1424F–RKE–12/03
Part Number
SPI Programming Interface
B1
C1
C2
C3
C4
C5
R1
S1
S2
S3
U1
Y1
L1
RESET
EXTERNAL LOOP FILTER (OPTIONAL)
SDI
AT86RF401
(Common)
C4
0.01 F
100 pF
Switch
Switch
Switch
Value
3.6V
SDO
R1
SCLK
L1
Antenna Dependent
13.125 MHz
(315 MHz)
Not req’d
Not req’d
Not req’d
S1
Value
82 nH
C5
S2
10
1
2
3
4
5
6
7
8
9
ANTB
LOOPFIL
L1
L2
RESETB
NC
IO0/SDI
IO1/SDO
IO2/SCLK
XTAL/CLK
Antenna Dependent
(433.92 MHz)
18.08 MHz
Not req’d
Not req’d
Not req’d
39 nH
Value
V+
C3
U1
Y1
C2
XTALB
DGND
AGND
DVDD
AVDD
ANT
IO5
IO4
IO3
NC
Frequency Dependent
Frequency Dependent
Frequency Dependent
Frequency Dependent
Frequency Dependent
20
19
18
17
16
15
14
13
12
11
Antenna Dependent
(Ext. Loop Filter)
Value
S
3
C1
AT86RF401
0603, COG, ± 0.25 pF
Crystek
0603, COG, ± 0.1 pF
Crystek P/N 016758
CR2032, Li Battery
0603, X7R, ± 10%
0603, COG, ± 5%
0603, COG, ± 5%
20-lead TSSOP
Specification
13.125 MHz:
18.080 MHz:
1608, ± 5%
0603, ± 5%
™
SPST
SPST
SPST
V+
P/N 016757
B1
3