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ATA5771 Datasheet(PDF) 49 Page - ATMEL Corporation

Part # ATA5771
Description  Microcontroller with UHF ASK/FSK Transmitter
PDF  287 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATA5771 Datasheet(HTML) 49 Page - ATMEL Corporation

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9
4511I–RKE–02/07
T5754
Figure 4-5.
ESD Protection Circuit
CLK
VS
GND
PA_ENABLE
XTAL
ANT2
ENABLE
ANT1
5.
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.
Parameters
Symbol
Minimum
Maximum
Unit
Supply voltage
V
S
5V
Power dissipation
P
tot
100
mW
Junction temperature
T
j
150
°C
Storage temperature
T
stg
–55
125
°C
Ambient temperature
T
amb
–55
125
°C
Input voltage
VmaxPA_ENABLE
–0.3
(VS + 0.3)
(1)
V
Note:
1. If VS + 0.3 is higher than 3.7V, the maximum voltage will be reduced to 3.7V.
6.
Thermal Resistance
Parameters
Symbol
Value
Unit
Junction ambient
RthJA
170
K/W
7.
Electrical Characteristics
VS = 2.0V to 4.0V, Tamb = –40°C to 125°C unless otherwise specified.
Typical values are given at VS = 3.0 V and Tamb = 25°C. All parameters are referred to GND (pin 7).
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit
Supply current
Power down
V
ENABLE < 0.25V, –40°C to 85°C
VPA-ENABLE < 0.25V, –40°C to +125°C
VPA-ENABLE < 0.25V, 25°C
(100% correlation tested)
IS_Off
< 10
350
7
nA
µA
nA
Supply current
Power up, PA off, V
S = 3V,
VENABLE >1.7V, VPA-ENABLE < 0.25V
IS
3.7
4.8
mA
Supply current
Power up, VS = 3.0V,
V
ENABLE >1.7V, VPA-ENABLE >1.7V
I
S_Transmit
911.6
mA
Output power
V
S = 3.0V, Tamb =25°C,
f = 433.92 MHz, Z
Load = (166 + j233)Ω
PRef
5.5
7.5
10
dBm
Note:
1. If V
S is higher than 3.6V, the maximum voltage will be reduced to 3.6V.



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