ATA5746-PXQW Atmel, ATA5746-PXQW Datasheet - Page 35

• 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”.
4596B–RKE–06/07
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note:
4.10 DC voltage after startup
No. Parameters
5.1 Spurs in Active mode
5.2
5.3
6.1
6.2
5
6
Synthesizer
Phase noise at 3 MHz
Active mode
Phase noise at 20 MHz
Active mode
Microcontroller Interface
CLK_OUT output rise and
fall time
Internal equivalent
capacitance
1. Pin numbers in parenthesis were measured with RF_IN matched to 50 according to
nent values as in
VS3V_AVCC
Table 2-2 on page 6
Test Conditions
f
CLK_OUT division ratio
= 3
= 6
= 12
CLK_OUT has nominal
50% duty cycle
f
CLK_OUT division ratio
= 3
= 6
= 12
CLK_OUT has nominal
50% duty cycle
V
XTO running (Standby
mode, Active mode)
At ±f
CLK_OUT enabled
(division ratio = 3)
f
f
at ±f
f
f
f
f
Noise floor
f
C
C
pin CLK_OUT
2.7V V
4.5V V
20% to 80% V
Used for current
calculation
RF
RF
RF
RF
RF
RF
RF
RF
CLK_OUT
DC
L
L
= 10 pF
= Load capacitance on
= 433.92 MHz
= 315 MHz
= 315 MHz
= 433.92 MHz
= 315 MHz
= 433.92 MHz
= 315 MHz
= 433.92 MHz
= V
(XTAL1, XTAL2)
XTO
CLK_OUT
VS5V
VS5V
VS5V
< 4.5 MHz
,
amb
= 3V, T
VS5V
3.3V or
5.5V
= –40°C to +105°C, V
amb
(RF
= 25°C, and f
IN
).
Pin
7,8
3
3
3
3
(1)
ATA5745/ATA5746 [Preliminary]
RF
VS3V_AVCC
= 315 MHz unless otherwise specified. Details about current
C
Symbol
f
f
V
CLK_OUT
CLK_OUT
L
L
CLK_OUT
SP
SP
RX20M
DCXTO
RX3M
t
t
rise
fall
RX
RX
= V
VS5V
–250
Min.
= 2.7V to 3.3V, and V
Figure 2-1 on page 6
4.52458
2.26229
1.13114
4.3811
1.0952
2.190
–130
–135
Typ.
–45
–75
–75
20
20
8
VS5V
Max.
–127
–132
–70
–70
30
30
= 4.5V to 5.5V.
dBC/Hz
dBC/Hz
MHz
MHz
Unit
dBC
dBC
mV
with compo-
pF
ns
ns
Type*
D
D
C
C
A
A
B
B
B
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