Revision 1.0

Page 32 of 44

nRF24AP2-USB Product Specification

7

Operating conditions

Table 15. Operating conditions

Table 16. External circuitry specification

Symbol

Parameter (condition)

Notes Min.

Typ.

Max. Units

VBUS

Supply voltage

4.0

5

5.25

V

VDD

Alternative supply voltage

3.05

3.27

3.5

V

TEMP

Operating Temperature

-40

+27

+85

ºC

Symbol

Parameter (condition)

Notes

Min.

Typ.

Max.

Unit

16 MHz crystal

Nominal frequency (parallel resonant)

16.000

MHz

Frequency tolerance

a

a. Includes initial accuracy, stability over temperature, aging and frequency pulling due to incorrect load

capacitance

±50

ppm

Load capacitance

9

16

pF

Shunt capacitance

3

7

pF

ESR

Equivalent series resistance

50

100

Ω

Drive level

100

µW

Bias resistor (IREF pin to GND)

Resistance

22

kΩ

Tolerance

1

%