UMA1015AM Datasheet, PDF (12/24 Pages) NXP Semiconductors – Low-power dual frequency synthesizer for radio communications

Philips Semiconductors
Low-power dual frequency synthesizer
for radio communications
Product specification
UMA1015AM
handbook, full pagewidth
4
ICPA
(nA)
2
(1)
0
(2)
(3)
−2
MGK782
−4
0
1
V_CC = V_DD = 6 V;
R_SET = 15 kΩ;
CRA = 1.
2
3
4
(1) T_amb = +25 °C.
(2) T_amb = −35 °C.
(3) T_amb = +90 °C.
5
VCPA (V)
6
Fig.6 Typical charge pump 3-state current as a function of CPA voltage.
10
handbook, full pagewidth
VXTALIN
+7
(dBm)
0
−7
−10
guaranteed area
MGK779
−20
−30
(1)
(2)
−40
−50
0
5
10
15
20
25
30
35
fXTALIN (MHz)
f_XTALIN externally terminated by 50 Ω load; AC-coupled.
(1) V_DD = 5.5 V.
(2) V_DD = 2.7 V.
Fig.7 Typical crystal input sensitivity as a function of input frequency with T_amb = 25 °C.
1997 Sep 03
12