ATA5428-PLQW Atmel, ATA5428-PLQW Datasheet - Page 61

• Manufacturer Part Number: ATA5428-PLQW
• Description: IC TXRX WIDEBND 433/868MHZ 48QFN
• Manufacturer: Atmel

Specifications of ATA5428-PLQW

• Frequency: 433MHz, 868MHz
• Data Rate - Maximum: 20kbps
• Modulation Or Protocol: ASK, FSK
• Applications: Alarm and Security Systems, RKE
• Power - Output: 10dBm
• Sensitivity: -112.5dBm
• Voltage - Supply: 2.4 V ~ 3.6 V or 4.4 V ~ 6.6 V
• Current - Receiving: 10.5mA
• Current - Transmitting: 10mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 7mm
• Product Height (mm): 0.9mm
• Product Length (mm): 7mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Compliant
• Other names: ATA5428-PLQHCT; ATA5428-PLQHCT; ATA5428-PLQWCT

Figure 9-10. Bit Error (TMODE = 0)
9.1.8
Table 9-3.
4841D–WIRE–10/07
(12.73193)
(13.94447)
(13.25311)
(13.41191)
(14.13324)
f
RF
433.92
868.3
MHz
315
345
915
(f
XTAL
)/
Recommended Lim_min and Lim_max for Maximum Sensitivity
Demod_Out
Lim_max = 38 (744 µs)
Lim_max = 38 (679 µs)
Lim_max = 38 (715 µs)
Lim_max = 38 (706 µs)
Lim_max = 38 (670 µs)
Lim_min = 13 (261 µs)
Lim_min = 13 (239 µs)
Lim_min = 13 (251 µs)
Lim_min = 13 (248 µs)
Lim_min = 13 (235 µs)
Recommended Lim_min and Lim_max Values for Different Bit Rates
BR_Range_0
1.0 Kbit/s
XLim = 1
Table 9-2.
The sensitivity measurements in the section “Low-IF Receiver” in
Table 3-4 on page 12
9-3. These values are optimized for maximum sensitivity. Note that since these limits are opti-
mized for sensitivity, the number of checked bits, N
circuit from waking up to often in polling mode due to noise.
Mode
RX
Receiving mode
Lim_max = 34 (332 µs)
Lim_max = 34 (303 µs)
Lim_max = 34 (319 µs)
Lim_max = 34 (315 µs)
Lim_max = 34 (299 µs)
Lim_min = 12 (121 µs)
Lim_min = 12 (110 µs)
Lim_min = 12 (116 µs)
Lim_min = 12 (115 µs)
Lim_min = 12 (109 µs)
ASK/_NFSK
BR_Range_0
2.4 Kbit/s
XLim = 0
RX Modulation Scheme
0
1
have been done with the Lim_min and Lim_max values according to
ATA5423/ATA5425/ATA5428/ATA5429
T_MODE
Lim_max = 32 (156 µs)
Lim_max = 32 (142 µs)
Lim_max = 32 (150 µs)
Lim_max = 32 (148 µs)
Lim_max = 32 (140 µs)
Start-up mode Bit-check mode
0
0
1
1
0
0
1
1
Lim_min = 11 (55 µs)
Lim_min = 11 (50 µs)
Lim_min = 11 (53 µs)
Lim_min = 11 (52 µs)
Lim_min = 11 (50 µs)
BR_Range_1
XLim = 0
5 Kbit/s
f
f
ASK
ASK
f
f
FSK_L
FSK_H
off
on
f
f
f
ASK
ASK
f
RF
FSK_H
FSK_L
IN
on
off
f
f
f
f
FSK_H
ASK
ASK
FSK_L
Bit-check
Lim_max = 32 (78 µs)
Lim_max = 32 (71 µs)
Lim_max = 32 (75 µs)
Lim_max = 32 (74 µs)
Lim_max = 32 (70 µs)
Lim_min = 11 (28 µs)
Lim_min = 11 (25 µs)
Lim_min = 11 (27 µs)
Lim_min = 11 (26 µs)
Lim_min = 11 (25 µs)
on
off
BR_Range_2
10 Kbit/s
XLim = 0
, has to be at least 6 to prevent the
Bit in TX/RX Data
Receiving mode
Buffer
1
0
–
–
1
0
–
–
Table 3-3 on page 12
Lim_max = 31 (38 µs)
Lim_max = 31 (34 µs)
Lim_max = 32 (37 µs)
Lim_max = 32 (37 µs)
Lim_max = 32 (35 µs)
Lim_min = 11 (14 µs)
Lim_min = 11 (13 µs)
Lim_min = 11 (13 µs)
Lim_min = 11 (13 µs)
Lim_min = 11 (12 µs)
BR_Range_3
20 Kbit/s
XLim = 0
Level on Pin
SD0_TMDO
X
X
X
X
1
0
1
0
Table
and
61