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ATA8402 Datasheet(PDF) 10 Page - ATMEL Corporation

Part # ATA8402
Description  UHF ASK/FSK Industrial Transmitter
Download  12 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATA8402 Datasheet(HTML) 10 Page - ATMEL Corporation

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10
4982A–IND–02/07
ATA8402
Output power variation for the full
temperature range
Tamb = 25°C,
V
S = 3.0V
VS = 2.0V
∆P
Ref
∆P
Ref
–1.5
–4.0
dB
dB
Output power variation for the full
temperature range
Tamb = 25°C,
V
S = 3.0V
V
S = 2.0V
POut = PRef + ∆PRef
∆P
Ref
∆P
Ref
–2.0
–4.5
dB
dB
Achievable output-power range
Selectable by load impedance
POut_typ
07.5
dBm
Spurious emission
fCLK = f0/128
Load capacitance at pin CLK = 10 pF
f
O ±1 × fCLK
fO ±4 × fCLK
Other spurious are lower
–55
–52
dBc
dBc
Oscillator frequency XTO
(= phase comparator frequency)
f
XTO = f0/32
f
XTAL = resonant frequency of the XTAL,
CM ≤ 10 fF, load capacitance selected
accordingly
T
amb = 25°C
fXTO
fXTAL
ppm
PLL loop bandwidth
250
kHz
Phase noise of phase comparator
Referred to f
PC = fXT0,
25 kHz distance to carrier
–116
–110
dBc/Hz
In-loop phase noise PLL
25 kHz distance to carrier
–86
–80
dBc/Hz
Phase noise VCO
At 1 MHz
At 36 MHz
–94
–125
–90
–121
dBc/Hz
dBc/Hz
Frequency range of VCO
f
VCO
429
439
MHz
Clock output frequency (CMOS
microcontroller compatible)
f0/128
MHz
Voltage swing at pin CLK
C
Load ≤10 pF
V0h
V0l
VS × 0.8
VS × 0.2
V
V
Series resonance R of the crystal
Rs
110
Capacitive load at pin XT0
7pF
FSK modulation frequency rate
Duty cycle of the modulation signal = 50%
0
32
kHz
ASK modulation frequency rate
Duty cycle of the modulation signal = 50%
0
50
kHz
ENABLE input
Low level input voltage
High level input voltage
Input current high
VIl
V
Ih
IIn
1.7
0.25
20
V
V
µA
PA_ENABLE input
Low level input voltage
High level input voltage
Input current high
VIl
VIh
I
In
1.7
0.25
VS
(1)
5
V
V
µA
7.
Electrical Characteristics (Continued)
VS = 2.0V to 4.0V, Tamb = 25°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
Note:
1. If V
S is higher than 3.6V, the maximum voltage will be reduced to 3.6V.


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