UMA1022M Datasheet, PDF (11/20 Pages) NXP Semiconductors – Low cost dual frequency synthesizer for radio telephones

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
V_IH
HIGH-level input voltage
V_IL
LOW-level input voltage
I_bias
input bias current
C_i
input capacitance
logic 1 or logic 0
0.7V_DD
−0.3
−5
−
Low noise crystal oscillator amplifier output signals; pins 3 and 18
Z_o
differential output impedance
f_xtal = 10 MHz
−
(real part)
V_XOUT,
V_XOUTN
G_v(diff)
V_o(p-p)
DC output voltage
−
small signal differential voltage gain
limiting differential output voltage
swing (peak-to-peak value)
XON = 1; f_xtal = 10 MHz 18
XON = 1
−
∆f/f(V_DDX)
frequency stability as a function of V_DDX = 3 V ±5%; note 2 −
supply voltage change (referenced to
initial frequency)
−
V_DD + 0.3
−
0.3V_DD
−
+5
2
−
2
−
2.29 −
20 22
2
−
±0.25 −
V
V
µA
pF
kΩ
V
dB
V
ppm
System specification
FTRF_IF
RF frequency and close harmonics
feedthrough to IF frequency
FTIF_RF
IF frequency and close harmonics
feedthrough to RF frequency
note 3
note 3
−
70 −
dBc
−
50 −
dBc
Notes
1. Conditions: 0.4 < V_CPA < (V_CCA − 0.4) and 0.4 < V_CPB < (V_CCB − 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