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T48C862-R8 数据表(PDF) 12 Page - ATMEL Corporation

部件名 T48C862-R8
功能描述  Microcontroller with UHF ASK/FSK Transmitter
PDF  107 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

T48C862-R8 数据表(HTML) 12 Page - ATMEL Corporation

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12
T48C862-R8
4590B–4BMCU–02/03
Output power variation for the full
temperature range
Tamb = -40°C to +125°C
V
S = 3.0 V
V
S = 2.0 V
P
Out = PRef + DPRef
DP
Ref
DP
Ref
-2.0
-4.5
dB
dB
Achievable output-power range
Selectable by load impedance
P
Out_typ
-3
+5.5
dBm
Spurious emission
f
CLK = f0/128
Load capacitance at Pin CLK = 10 pF
f
O ± 1´ fCLK
f
O ± 4 ´ fCLK
other spurious are lower
-52
-52
dBc
dBc
Oscillator frequency XTO
(= phase comparator frequency)
f
XTO = f0/32
f
XTAL = resonant frequency of the
XTAL, C
M £ 10 fF, load capacitance
selected accordingly
T
amb = -40°C to +85°C
T
amb = -40°C to +125°C
fXTO
-30
-40
f
XTAL
+30
+40
ppm
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
-80
-74
dBc/Hz
Phase noise VCO
at 1 MHz
at 36 MHz
-89
-120
-86
-117
dBc/Hz
dBc/Hz
Frequency range of VCO
f
VCO
868
928
MHz
Clock output frequency (CMOS
microcontroller compatible)
f
0/256
MHz
Voltage swing at Pin CLK
CLoad £ 10 pF
V0h
V
0l
VS ´ 0.8
V
S ´ 0.2
V
V
Series resonance R of the crystal
Rs
110
W
Capaictive load at Pin XT0
7pF
FSK modulation frequency rate
Duty cycle of the modulation signal =
50%
032
kHz
ASK modulation frequency rate
Duty cycle of the modulation signal =
50%
032
kHz
ENABLE input
Low level input voltage
High level input voltage
Input current high
V
Il
VIh
I
In
1.7
0.25
20
V
V
mA
PA_ENABLE input
Low level input voltage
High level input voltage
Input current high
V
Il
VIh
I
In
1.7
0.25
5
V
V
mA
Electrical Characteristics (Continued)
VS = 2.0 V to 4.0 V, 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 refered to GND (Pin 7).
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit



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