atr2434 ATMEL Corporation, atr2434 Datasheet - Page 32

• Manufacturer Part Number: atr2434
• Description: Wirelessusb 2.4-ghz Dsss Radio Soc - Atmel Corporation
• Manufacturer: ATMEL Corporation

Radio Parameters (Continued)
Power Management Timing
32
Notes:
Parameter Description
RF power range control step size
Frequency deviation
Frequency deviation
Zero crossing eError
Occupied bandwidth
Initial frequency offset
In-band Spurious
Second channel power (±2 MHz)
≥ Third channel power (>3 MHz)
Non-Harmonically Related Spurs
30 MHz to 12.75 GHz
Harmonic Spurs
Second harmonic
Third harmonic
Fourth and greater harmonics
Notes:
Parameter
t
t
t
t
t
WAKE_INT
PWR_RST
PDN_X13
t
SPI_RDY
PWR_PD
t
t
STABLE
SLEEP
t
WAKE
t
RST
PD
2. When X13OUT is enabled.
3. Both the polarity and the drive method of the IRQ pin are programmable. See page 14 for more details.
4. A wake-up event is triggered when the PD pin is deasserted. Figure 14 illustrates a wake-up event configured to trigger an
1. The PD pin must be asserted at power up to ensure proper crystal start-up.
1. Subject to regulation.
2. Image frequency is +4 MHz from desired channel (2 MHz low IF, high side injection).
3. FO = Tuned Frequency, N = Integer.
4. Antenna matching network and antenna will attenuate the output signal at these frequencies to meet regulatory
ATR2434 [Preliminary]
Figure 14 illustrates default values for the Configuration register (Reg 0x05, bits 1:0).
IRQ pin event via the Wake Enable register (Reg 0x1C, bit 0 = 1).
requirements.
Description
Time from PD deassert to X13OUT
Time from oscillator stable to start of SPI transactions
Power On to RESET deasserted
Minimum RESET asserted pulse width
Power on to PD deasserted
PD deassert to clocks running
Minimum PD asserted pulse width
PD assert to low power mode
PD deassert to IRQ
PD deassert to clock stable
(3)
assert (wake interrupt)
(1)
(2)
(4)
Conditions
Seven steps, monotonic
PN code pattern 10101010
PN code pattern 11110000
100-kHz resolution
bandwidth, -6 dBc
to within ±10 ppm
V
Conditions
CC
at 2.7 V
Min.
500
1300
1300
Min.
10
1
1
±44.6
Typ.
276
317
±80
898
4.1
-41
-49
2000
2000
2000
2100
Typ
50
Max.
-30
-40
-57
-20
-30
-47
Max.
4822C–ISM–09/04
Unit
dBm
dBm
dBm
dBm
dBm
dBm
kHz
kHz
kHz
kHz
Unit
dB
ns
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs