ATAM862P-TNSY4D Atmel, ATAM862P-TNSY4D Datasheet - Page 8

• Manufacturer Part Number: ATAM862P-TNSY4D
• Description: IC MCU FLASH 4K TX 433MHZ 24SSOP
• Manufacturer: Atmel

Specifications of ATAM862P-TNSY4D

• Applications: UHF ASK/FSK
• Core Processor: MARC4
• Program Memory Type: FLASH (4 kB)
• Controller Series: MARC4 4-Bit
• Ram Size: 256 x 4
• Interface: SSI
• Number Of I /o: 11
• Voltage - Supply: 1.8 V ~ 4 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 24-SSOP
• Processor Series: ATAM862x
• Core: MARC4
• Data Bus Width: 4 bit
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.4
8
Application Circuit
ATAM862-4
Figure 7-2.
For the supply-voltage blocking capacitor C
7-3 on page 9
power amplifier where C
for C
the possibility to realize the Z
C
nance loop that suppresses the 1
Normally the best suppression is achieved when C
ANT1 and ANT2.
The loop antenna should not exceed a width of 1.5 mm, otherwise the Q-factor of the loop
antenna is too high.
L
load resonance frequency of the crystal. Normally, a value of 12 pF results for a 15 pF
load-capacitance crystal.
1
1
(≈50 nH to 100 nH) can be printed on PCB. C
forms together with the pins of PLL transmitter block and the PCB board wires a series reso-
2
two capacitors in series should be used to achieve a better tolerance value and to have
and
Output Power Measurement
Figure 7-4 on page
ANT1
ANT2
1
typically is 8.2 pF/NP0 and C
~
Load,opt
Z
Lopt
st
by using standard valued capacitors.
harmonic, thus, the position of C
C
C
L
V
2
10). C
1
1
S
= 2.2p
= 33n
= 1n
3
, a value of 68 nF/X7R is recommended (see
1
and C
4
should be selected so the XTO runs on the
Z = 50
1
2
is placed as close as possible to the pins
are used to match the loop antenna to the
2
is 6 pF/NP0 (10 pF + 15 pF in series);
Power
meter
50
R in
1
on the PCB is important.
4551G–4BMCU–07/07
Figure