11
9129AS–DAB–04/08
ATR2732N3
7. Electrical Characteristics
Test conditions (if not otherwise specified): V
CC
= +3.3V, T
amb
= +25°C, 50Ω input match
No. Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit Type*
1Power Supply
1.1
Supply voltage of front
end ATR2732N3
V
CC
3.0 3.5 V A
1.2
Supply voltage of
baseband processor
V
Di
1.65 V
CC
VA
1.3 Leakage current, all off I
leak
325µAA
2Power Control
2.1 Power on/off delay 1 µs C
2.2 Power off/on delay 5 ms C
2.3
Supply current L-band
off
Reception only VHF 150 mA A
2.4 Supply current L-band 185 mA A
2.5
Power-off tuning
voltage generation
Tuning generation not
active
140 mA B
2.6
Average current
consumption
80 mA B
3 SPI Bus Interface
3.1 BUS voltage high V
BUSH
V
Di
– 0.36 V
Di
+ 0.3 V A
3.2 BUS voltage low V
BUSL
–0.3 +0.25 V A
3.3 Clock frequency 1 / t
per
2MHzA
3.4 Clock high time (SCK) t
ch
0.4 × t
per
3.5 Clock low time (SCK) t
cl
0.4 × t
per
3.6 Clock enable time t
cet
5µs
3.7 Data set-up time t
sud
0.4 × t
per
3.8 Hold time MOSI t
hda
0.4 × t
per
4 Reference Crystal Oscillator
4.1 Operating frequency 16 24.576 32 MHz C
4.2 Tuning range 120 210 ppm A
4.3
Reference clock output
voltage
Sine wave output 0.5 V
pp
A
5 VHF Fractional PLL
5.1 LO frequency 200 290 MHz A
6L-band PLL
6.1 LO frequency 1.26 1.27 GHz A
7IF Interface
7.1 IF frequency range 30 38.91 50 MHz D
7.2
Output impedance
(differential)
46, 47 56 100 Ω D
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
