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Si4840/44-A10
1. Electrical Specifications
Table 1. Recommended Operating Conditions 1,2
Parameter
Supply Voltage 3
Power Supply Powerup Rise Time
Symbol
V DD
V DDRISE
Test Condition
Min
2
10
Typ
—
—
Max
3.6
—
Unit
V
μs
Notes:
1. Typical values in the data sheet apply at V DD = 3.3 V and 25 °C unless otherwise stated.
2. All minimum and maximum specifications in the data sheet apply across the recommended operating conditions for
minimum V DD = 2.7 V.
3. Operation at minimum V DD is guaranteed by characterization when V DD voltage is ramped down to 2.0 V. Part
initialization may become unresponsive below 2.3 V.
Table 2. DC Characteristics
(V DD = 2.7 to 3.6 V, TA = –15 to 85 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
FM Mode
Supply Current 1
I FM
—
21.0
—
mA
Supply
Current 2
I FM
Low SNR level
—
21.5
—
mA
AM/SW Mode
Supply Current 1
I AM
—
17.0
—
mA
Supplies and Interface
V DD Powerdown
Current
I DDPD
—
10
—
μA
Notes:
1. Specifications are guaranteed by characterization.
2. LNA is automatically switched to higher current mode for optimum sensitivity in weak signal conditions.
4
Rev.1.0
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