ATA5429 ATMEL Corporation, ATA5429 Datasheet - Page 77
ATA5429
Manufacturer Part Number
ATA5429
Description
(ATA5423 - ATA5429) UHF ASK/FSK Transceiver
Manufacturer
ATMEL Corporation
Datasheet
1.ATA5429.pdf
(97 pages)
- Current page: 77 of 97
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12. Electrical Characteristics: General (Continued)
All parameters refer to GND and are valid for T
and V
about current consumption, timing and digital pin properties can be found in the specific sections of the “Electrical Characteristics”.
4841A–RKE–02/05
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note:
4.10
No. Parameters
4.6
4.7
4.8
4.9
VS2
Pulling of radio frequency
f
C
and supply changes
Amplitude XTAL after
start
Real part of XTO
impedance at start
Maximum series
resistance R
after start
Nominal XTAL load
resonant frequency
RF
L2
= V
1. Pin numbers in brackets mean they were measured with RF_IN matched to 50
due to XTO, C
versus temperature
–
VAUX
up
component values according to
with component values according to
–
= 5.0 V (base
up
m
of XTAL
L1
–
and
up
–
station application). Typical values are given at f
Test Conditions
1.0 pF
C
R
PLL adjusted with
FREQ at nominal
temperature and supply
voltage
C
R
V(XTAL1, XTAL2)
peak
V(XTAL1)
peak
C
start impedance, this
value is important for
crystal oscillator startup
C
C
f
f
f
f
f
RF
RF
RF
RF
RF
m
m
m
m
0
0
m
= 315 MHz
= 345 MHz
= 433.92 MHz
= 868.3 MHz
= 915 MHz
= 5 fF, C
120
2.2 pF, small signal
15
2.2 pF
–
–
14 fF
14.0 fF
to
to
–
–
C
peak value
peak value
0
Table 3-2 on page 12
amb
0
= 1.8 pF
2.2 pF
= 25°C, V
Table 3-7 on page
VS1
24, 25
24, 25
24, 25
24, 25
24, 25
Pin
4, 10
= V
(1)
VS2
and RF_OUT matched to 50
22.
ATA5423/25/28/29 [Preliminary]
= 3.0 V (1
Symbol
V
V
R
Re
PPXTAL
PPXTAL
f
f
m_max
XTAL
XTO2
XTO
–
RF
battery application), V
= 433.92 MHz unless otherwise specified. Details
Min.
–
2
according to
12.73193
13.94447
13.25311
13.41191
14.13324
–
according to
Typ.
2,000
700
350
15
VS2
= 6.0 V (2-battery application)
Figure 3-1 on page 11
–
Max.
Figure 3-10 on page 21
1,500
120
+2
mVpp
mVpp
MHz
MHz
MHz
MHz
MHz
Unit
ppm
Type*
with
C
C
C
B
B
D
77
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