ATR2406_06 Datasheet, PDF (8/25 Pages) ATMEL Corporation – Low-IF 2.4-GHz ISM Transceiver

6. Electrical Characteristics (Continued)
V_S = 3.6V with AUX regulator, T_amb = 25°C, unless otherwise specified
No. Parameters
Test Conditions
Symbol
Min.
Typ. Max. Unit
8 Synthesizer
8.1
External reference input
frequency
D7 = 0
D7 = 1
REF_CLK
10.368
13.824
MHz
MHz
8.2
Sinusoidal input signal level
(peak-to-peak value)
AC-coupled sine wave
REF_CLK
500
1000 mV_PP
8.3 Scaling factor prescaler
8.4 Scaling factor main counter
8.5 Scaling factor swallow counter
9 Phase Detector
S_PSC
S_MC
S_SC
32/33
-
86/87/88/89
-
0
31
-
9.1
Phase detector comparison
frequency
f_PD
1728
kHz
10 Charge-pump Output
10.1 Charge-pump output current
10.2 Leakage current
11 Timing Conditions⁽¹⁾⁽²⁾
V_CP = 1/2 V_CC
V_CP = 1/2 V_CC
I_CP
±2
mA
I_L
±100 1000
pA
11.1 Transmit to receive time
Reference clock stable
TX → RX time
200
µs
11.2 Receive to transmit time
Reference clock stable
RX → TX time
200
µs
11.3 Channel switch time
Reference clock stable
CS time
200
µs
11.4 Power down to transmit
Reference clock stable
PD → TR time
250
µs
11.5 Power down to receive
Reference clock stable
PD → RX time
200
µs
11.6 Programming register
Reference clock stable
PRR time
3
µs
11.7 PLL settling time
Reference clock stable
PLL set time
200
µs
12 Interface Logic Input and Output Signal Levels, Pin DATA, CLOCK, ENABLE
12.1 HIGH-level input voltage
Logic 1
V_IH
1.4
3.1
V
12.2 LOW-level input voltage
Logic 0
V_IL
–0.3
+0.4
V
12.3 HIGH-level output voltage
Logic 1
V_OH
3.1
V
12.4 LOW-level output voltage
Logic 0
V_OL
0
V
12.5 Input bias current
Logic 1 or logic 0
I_bias
–5
+5
µA
12.6 3-wire bus clock frequency
f_CLKmax
10
MHz
Notes: 1. Measured and guaranteed only on the Atmel^® evaluation board, including microstrip filter, balun, and Smart Radio Fre-
quency (Smart RF) firmware. Conducted measured.
2. Timing is determined by external loop filter characteristics. Faster timing can be achieved by modification of the loop filter.
For further information refer to the application notes.
3. The Gaussian filter control setting (GFCS) is used to compensate production tolerances by tuning the modulation deviation
in production to the nominal value of 400 kHz.
4. Burst mode with 0.9% duty cycle
8 ATR2406
4779L–ISM–09/06