ATA8401 ATMEL Corporation, ATA8401 Datasheet - Page 10

• Manufacturer Part Number: ATA8401
• Manufacturer: ATMEL Corporation

7. Electrical Characteristics (Continued)
V
Typical values are given at V
10
Parameters
Output power
Output power variation for the full
temperature range
Output power variation for the full
temperature range
Achievable output-power range
Spurious emission
Oscillator frequency XTO
(= phase comparator frequency)
PLL loop bandwidth
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
ATA8401
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
V
f = 315 MHz, Z
T
V
V
T
V
V
P
Selectable by load impedance
f
Load capacitance at pin CLK = 10 pF
f
f
Other spurious are lower
f
f
C
accordingly
T
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
CLK
O
O
XTO
XTAL
amb
amb
amb
S
S
S
S
S
Out
M
Load
±1
±4
= 3.0V, T
= 3.0V
= 2.0V
= 3.0V
= 2.0V,
= f
= f
= P
= 25°C,
= 25°C,
= 25°C
= resonant frequency of the XTAL,
10 fF, load capacitance selected
amb
0
0
10 pF
/128
f
f
/32
Ref
CLK
CLK
= 25°C. All parameters are referred to GND (pin 7).
+ P
amb
PC
Load
= f
= 25°C,
Ref
XT0,
= (255 + j192)W
Symbol
P
P
Out_typ
f
f
V
VCO
Rs
V
V
P
P
P
P
XTO
V
V
V
I
I
Ref
In
In
0h
Ih
Ih
Ref
Ref
Ref
Ref
0l
Il
Il
V
S
Min.
310
6.0
1.7
1.7
0
0
0
0.8
f
–116
–125
0
Typ.
f
–55
–52
250
–86
–94
8.0
XTAL
/128
V
S
Max.
–110
–121
10.5
–1.5
–4.0
–2.0
–4.5
0.25
0.25
V
–80
–90
350
110
8.0
32
50
20
7
S
5
(1)
4984A–IND–02/07
0.2
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Unit
dBm
dBm
MHz
MHz
ppm
dBc
dBc
kHz
kHz
kHz
dB
dB
dB
dB
pF
µA
µA
V
V
V
V
V
V