參數(shù)資料
型號(hào): T5750
廠商: Atmel Corp.
英文描述: UHF ASK/FSK TRANSMITTER
中文描述: 超高頻ASK / FSK發(fā)射器
文件頁(yè)數(shù): 9/12頁(yè)
文件大小: 212K
代理商: T5750
9
T5750 [Preliminary]
4546B–RKE–07/04
Output power variation for the full
temperature range
T
amb
= -40°C to +85
°
C,
V
S
= 3.0 V
V
S
= 2.0 V
T
amb
= -40°C to +125
°
C,
V
S
= 3.0 V
V
S
= 2.0 V,
P
Out
= P
Ref
+
P
Ref
Selectable by load impedance
f
CLK
= f
0
/128
Load capacitance at Pin CLK = 10 pF
f
O
±1
×
f
CLK
f
O
± 4
×
f
CLK
other spurious are lower
f
XTO
= f
0
/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
P
Ref
P
Ref
-1.5
-4.0
dB
dB
Output power variation for the full
temperature range
P
Ref
P
Ref
-2.0
-4.5
dB
dB
Achievable output-power range
P
Out_typ
-3
+5.5
dBm
Spurious emission
-52
-52
dBc
dBc
Oscillator frequency XTO
(= phase comparator frequency)
f
XTO
-30
-40
f
XTAL
+30
+40
ppm
ppm
kHz
PLL loop bandwidth
Phase noise of phase
comparator
In loop phase noise PLL
250
Referred to f
PC
= f
XT0,
25 kHz distance to carrier
25 kHz distance to carrier
at 1 MHz
at 36 MHz
-116
-110
dBc/Hz
-80
-89
-120
-74
-86
-117
928
dBc/Hz
dBc/Hz
dBc/Hz
MHz
Phase noise VCO
Frequency range of VCO
Clock output frequency (CMOS
microcontroller compatible)
f
VCO
868
f
0
/256
MHz
Voltage swing at Pin CLK
C
Load
10 pF
V
0h
V
0l
V
S
×
0.
8
V
S
×
0.
2
110
7
V
V
Series resonance R of the crystal
Capacitive load at Pin XT0
Rs
pF
FSK modulation frequency rate
Duty cycle of the modulation signal =
50%
Duty cycle of the modulation signal =
50%
Low level input voltage
High level input voltage
Input current high
Low level input voltage
High level input voltage
Input current high
0
32
kHz
ASK modulation frequency rate
0
32
kHz
ENABLE input
V
Il
V
Ih
I
In
V
Il
V
Ih
I
In
1.7
0.25
20
0.25
V
S
5
V
V
μ
A
V
V
μA
PA_ENABLE input
1.7
(1)
Electrical Characteristics (Continued)
V
S
= 2.0 V to 4.0 V, T
amb
= -40°C to 125°C unless otherwise specified.
Typical values are given at V
S
= 3.0 V and T
amb
= 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 3.6 V, the maximum voltage will be reduced to 3.6 V.
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