ATA5746-PXQW Atmel, ATA5746-PXQW Datasheet - Page 34

• Manufacturer Part Number: ATA5746-PXQW
• Description: IC RCVR ASK/FSK UHF 24-QFN
• Manufacturer: Atmel

Specifications of ATA5746-PXQW

• Frequency: 315MHz
• Sensitivity: -114dBm
• Data Rate - Maximum: 10 kbps
• Modulation Or Protocol: ASK, FSK
• Applications: Alarm and Security Systems, RKE, TPMS
• Current - Receiving: 6.7mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.7 V ~ 3.3 V, 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 24-VQFN Exposed Pad, 24-HVQFN, 24-SQFN, 24-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -

13. Electrical Characteristics: General (Continued)
All parameters refer to GND and are valid for T
Typical values are given at V
consumption, timing, and digital pin properties can be found in the specific sections of the “Electrical Characteristics”.
34
*) 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
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
ATA5745/ATA5746 [Preliminary]
versus temperature
nent values as in
0
m
m
of XTAL
of XTAL at
of XTAL
L1
and
VS3V_AVCC
Table 2-2 on page 6
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
= V
PPXTAL
2.2 pF
2.2 pF
2.2 pF, small signal
120
120
15
VS5V
C
0
0
amb
= 3V, T
= 1.8 pF
2.2 pF
= –40°C to +105°C, V
amb
(RF
= 25°C, and f
IN
).
Pin
7,8
7,8
7,8
7,8
7,8
7,8
7,8
7,8
3
3
(1)
RF
Z
VS3V_AVCC
T
XTAL12_START
= 315 MHz unless otherwise specified. Details about current
Symbol
f
XTO_Startup
V
V
R
g
CLK_OUT
C
PPXTAL
PPXTAL
f
m, XTO
m_max
XTAL
f
0max
XTO
= V
VS5V
–1400
f
Min.
CLK
–5
= 2.7V to 3.3V, and V
disabled (low level on pin
f
f
f
CLK_OUT)
CLK
CLK
CLK
13.57375
Figure 2-1 on page 6
13.1433
–2000
Typ.
300
700
350
20
15
=
=
=
f
---------- -
f
---------- -
f
---------- -
XTO
XTO
XTO
12
3
6
VS5V
Max.
800
120
3.8
+5
= 4.5V to 5.5V.
4596B–RKE–06/07
mVpp
mVpp
MHz
MHz
Unit
ppm
mS
with compo-
pF
µs
Type*
D
C
C
C
D
B
A
B
B
A