2

SP5748 Advance Information

Figure 2 SP5748 block diagram

ELECTRICAL CHARACTERISTICS

These characteristics are guaranteed by either production test or design. They apply within the specified

ambient temperature and supply voltage unless otherwise stated.

T

Characteristic

Pin

Value

Units

Conditions

Min

Typ

Max

Supply current

10

13

mA

RF input frequency range 11,12

80

2400

MHz

RF input voltage

11,12

30

300

mV rms

RF input impedance

11,12

See Figure 3

Data, clock & enable

5,6,4

input high voltage

3

Vcc

V

input low voltage

0

0.7

V

input current

-10

10

µA

All input conditions

hysterysis

0.8

V

PP

PORT P1/OC

RF INPUT

16/17

13 BIT

COUNT

4 BIT

COUNT

REFERENCE

DIVIDER

REF

CRYSTAL

PUMP

DRIVE

17 BIT LATCH

6 BIT LATCH

DATA

CLOCK

ENABLE

DATA

INTERFACE

3 BIT

LATCH & PORT/

TEST MODE

INTERFACE

PORT P0/OP