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UMA1022M

Low cost dual frequency synthesizer for radio telephones

Philips Electronics 

Philips Semiconductors

Low cost dual frequency synthesizer for

radio telephones

Product specification

UMA1022M

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP. MAX.

UNIT

Interface logic input signal levels; pins 7, 9, 10, 11 and 13

VIH

HIGH-level input voltage

VIL

LOW-level input voltage

Ibias

input bias current

Ci

input capacitance

logic 1 or logic 0

0.7VDD

−0.3

−5

−

Low noise crystal oscillator amplifier output signals; pins 3 and 18

Zo

differential output impedance

fxtal = 10 MHz

−

(real part)

VXOUT,

VXOUTN

Gv(diff)

Vo(p-p)

DC output voltage

−

small signal differential voltage gain

limiting differential output voltage

swing (peak-to-peak value)

XON = 1; fxtal = 10 MHz 18

XON = 1

−

∆f/f(VDDX)

frequency stability as a function of VDDX = 3 V ±5%; note 2 −

supply voltage change (referenced to

initial frequency)

−

VDD + 0.3

−

0.3VDD

−

+5

2

−

2

−

2.29 −

20 22

2

−

±0.25 −

V

V

µA

pF

kΩ

V

dB

V

ppm

System specification

FTRFIF

RF frequency and close harmonics

feedthrough to IF frequency

FTIFRF

IF frequency and close harmonics

feedthrough to RF frequency

note 3

note 3

−

70 −

dBc

−

50 −

dBc

Notes

1. Conditions: 0.4 < VCPA < (VCCA − 0.4) and 0.4 < VCPB < (VCCB − 0.4).

2. This value is directly dependent on the external resonator quality factor. Only guaranteed for the application circuit

which is given in Fig.5.

3. Only guaranteed on the Philips application board.

1998 Dec 09

11

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