ATA8743 ATMEL Corporation, ATA8743 Datasheet - Page 11
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ATA8743
Manufacturer Part Number
ATA8743
Description
Manufacturer
ATMEL Corporation
Datasheet
1.ATA8743.pdf
(238 pages)
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7. Electrical Characteristics (Continued)
V
Typical values are given at V
9152A–INDCO–07/09
Parameters
Phase noise of phase comparator
In-loop phase noise PLL
Phase noise VCO
Frequency range of VCO
Clock output frequency (CMOS
microcontroller compatible)
Voltage swing at pin CLK
Series resonance R of the crystal
Capacitive load at pin XT0
FSK modulation frequency rate
ASK modulation frequency rate
ENABLE input
PA_ENABLE input
Note:
S
= 2.0V to 4.0V, T
1. If V
S
is higher than 3.6V, the maximum voltage will be reduced to 3.6V.
amb
= 25°C unless otherwise specified.
S
= 3.0V and T
Test Conditions
Referred to f
25 kHz distance to carrier
25 kHz distance to carrier
at 1 MHz
at 36 MHz
C
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
Load
amb
10 pF
= 25°C. All parameters are referred to GND (pin 7).
PC
= f
XT0,
Symbol
f
V
VCO
Rs
V
V
V
V
V
I
I
In
In
0h
Ih
Ih
0l
Il
Il
V
S
Min.
868
1.7
1.7
0
0
0.8
f
–116
–120
Typ.
0
–80
–89
/256
V
ATA8743
S
Max.
–110
–117
0.25
0.25
V
–74
–86
928
110
32
32
20
S
7
5
(1)
0.2
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
MHz
MHz
Unit
kHz
kHz
µA
µA
pF
V
V
V
V
V
V
11
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