UMA1015AM Datasheet, PDF (11/24 Pages) NXP Semiconductors – Low-power dual frequency synthesizer for radio communications

Philips Semiconductors
Low-power dual frequency synthesizer
for radio communications
TYPICAL PERFORMANCE CHARACTERISTICS
12
handbook, full pagewidth
IDD
(mA)
10
(1)
(2)
8
(3)
6
Product specification
UMA1015AM
MGK784
4
2
2.5
3
3.5
4
4.5
5
VDD (V)
5.5
(1) T_amb = +90 °C.
(2) T_amb = +25 °C.
(3) T_amb = −35 °C.
Fig.4 Typical I_DD as a function of V_DD with both synthesizers on and voltage doubler disabled.
2.0
handbook, full pagewidth
ICPA ^1.6
(1)
(mA)
1.2
MGK783
(2)
0.8
0.4
0
−0.4
−0.8
−1.2
−1.6
−2.0
0
R_SET = 15 kΩ;
CRA = 1.
(1)
1
2
3
(1) V_CC = 2.7 V.
(2) V_CC = 6.0 V.
(2)
4
5
VCPA (V)
6
Fig.5 Typical charge pump current as a function of CPA voltage with T_amb = 25 °C.
1997 Sep 03
11