ATA8201 ATMEL Corporation, ATA8201 Datasheet - Page 35
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ATA8201
Manufacturer Part Number
ATA8201
Description
Manufacturer
ATMEL Corporation
Datasheet
1.ATA8201.pdf
(44 pages)
13. Electrical Characteristics: General (Continued)
All parameters refer to GND and are valid for T
f
specific sections of the “Electrical Characteristics”.
4971B–INDCO–10/07
RF
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note:
No. Parameters
4.1
4.2 XTO start-up time
4.3 Maximum C
4.4
4.5
4.6
4.7
4.8
4.9
4
= 315 MHz unless otherwise specified. Details about current consumption, timing, and digital pin properties can be found in the
XTO
Transconductance XTO at
start
Pulling of LO frequency
f
C
and supply changes
Amplitude XTAL after
startup
Maximum series
resistance R
startup
Maximum series
resistance R
after startup
Nominal XTAL load
resonant frequency
External CLK_OUT
frequency
LO
L2
1. Pin numbers in parenthesis were measured with RF_IN matched to 50 according to
due to XTO, C
versus temperature
values as in
0
m
m
of XTAL
of XTAL at
of XTAL
L1
Table 2-2 on page 7
and
Test Conditions
At startup; after startup
the amplitude is regulated
to V
C
C
R
1.0 pF
C
R
C
R
V(XTAL1, XTAL2)
peak-to-peak value
V(XTAL1)
peak-to-peak value
C
start impedance, this
value is important for
crystal oscillator startup
C
C
f
f
CLK_OUT_CRTL1 = 0
CLK_OUT_CTRL0 = 0
--> CLK_OUT disabled
CLK_OUT_CRTL1 = 0
CLK_OUT_CTRL0 = 1
--> division ratio = 3
CLK_OUT_CRTL1 = 1
CLK_OUT_CTRL0 = 0
--> division ratio = 6
CLK_OUT_CRTL1 = 1
CLK_OUT_CTRL0 = 1
--> division ratio = 12
RF
RF
0
m
m
m
m
m
m
0
0
m
= 433.92 MHz
= 315 MHz
< 14 fF
= 4.0 fF to 7.0 fF
= 5 fF, C
< 14 fF
PPXTAL
2.2 pF
2.2 pF
2.2 pF, small signal
120
120
15
C
0
0
amb
(RF
= 1.8 pF
2.2 pF
= 25°C, V
IN
).
VS3V_AVCC
Pin
7,8
7,8
7,8
7,8
7,8
7,8
7,8
7,8
3
3
(1)
= V
Z
T
XTAL12_START
VS5V
Symbol
XTO_Startup
f
V
V
g
R
CLK_OUT
C
PPXTAL
PPXTAL
f
m, XTO
m_max
XTAL
f
0max
XTO
= 3V, and V
–1400
f
Min.
CLK
–5
VS5V
disabled (low level on pin
= 5V. Typical values are given at
ATA8201/ATA8202
f
f
f
CLK_OUT)
CLK
CLK
CLK
Figure 2-1 on page 7
13.57375
13.1433
–2000
Typ.
300
700
350
=
=
=
20
15
f
---------- -
f
---------- -
f
---------- -
XTO
XTO
XTO
12
3
6
Max.
120
3.8
+5
with component
mVpp
mVpp
MHz
MHz
Unit
ppm
mS
pF
µs
Type*
D
C
C
C
D
B
A
B
B
A
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