ATA5811 ATMEL Corporation, ATA5811 Datasheet - Page 72

• Manufacturer Part Number: ATA5811
• Description: Ata5811 Uhf Ask/fsk Transceiver
• Manufacturer: ATMEL Corporation

14. Electrical Characteristics: General (Continued)
All parameters refer to GND and are valid for T
6.6V (2-battery application) and V
T
pin properties can be found in the specific sections of the “Electrical Characteristics”.
72
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note:
amb
4.10
4.11 External CLK frequency
4.12 DC voltage after start-up
No. Parameters
4.7
4.8
4.9
= 25°C, f
Amplitude XTAL after
start-up
Maximum series
resistance R
start-up
Maximum series
resistance R
after start-up
Nominal XTAL load
resonant frequency
1. Pin numbers in brackets mean they were measured with RF_IN matched to 50
ATA5811/ATA5812
component values according to
with component values according to
RF
= 433.92 MHz (1-battery application) unless otherwise specified. Details about current consumption, timing and digital
m
m
of XTAL at
of XTAL
VS2
Test Conditions
C
R
V(XTAL1, XTAL2)
peak-to-peak value
V(XTAL1)
peak-to-peak value
C
may take longer under
these conditions
C
C
R
FREQ = 3,928
f
f
f
FREQ = 3,928
f
CLK division ratio = 3
CLK has nominal 50%
duty cycle
f
CLK division ratio = 3
CLK has nominal 50%
duty cycle
f
CLK division ratio = 3
CLK has nominal 50%
duty cycle
V
XTO running
(Idle mode, RX mode
and TX mode)
RF
RF
RF
RF
RF
RF
DC
m
m
0
0
m
m
= V
= 868.3 MHz
= 433.92 MHz
= 315 MHz
= 868.3 MHz
= 433.92 MHz
= 315 MHz
= 5 fF, C
= 4.0 fF to 7.0 fF
(XTAL1, XTAL2)
15
2.2 pF, start-up
2.2 pF
120
VAUX
Table 5-2 on page 10
= 4.75V to 5.25V (car application). Typical values are given at V
0
amb
= 1.8 pF
Table 5-7 on page
= –40°C to +105°C, V
24, 25
24, 25
24, 25
24, 25
24, 25
24, 25
Pin
30
30
30
30
(1)
and RF_OUT matched to 50
20.
Z
XTAL12_START
Symbol
VS1
V
V
R
V
PPXTAL
PPXTAL
f
DCXTO
m_max
f
f
f
f
XTAL
CLK
CLK
CLK
CLK
= V
VS2
= 2.4V to 3.6V (1-battery application), V
–1,500
–150
Min.
f
CLK
according to
13.41191
13.25311
12.73193
=
–2,000
according to
4.471
4.418
4.244
Typ.
700
350
–30
15
f
---------- -
XTO
3
Figure 5-1 on page 10
VS1
Max.
Figure 5-10 on page 19
120
= V
VS2
= 3V and
mVpp
mVpp
MHz
MHz
MHz
MHz
MHz
MHz
4689F–RKE–08/06
Unit
VS2
= 4.4V to
Type*
with
mV
C
C
B
B
D
D
D
D
D