UMA1022M Datasheet, PDF (4/20 Pages) NXP Semiconductors – Low cost dual frequency synthesizer for radio telephones

Philips Semiconductors
Low cost dual frequency synthesizer for
radio telephones
Product specification
UMA1022M
PINNING
SYMBOL PIN
DESCRIPTION
XIN
1 inverting crystal reference input
XGND
2 ground for crystal oscillator circuits
XOUT
3 crystal oscillator buffer output
CP_B
V_CCB
IF_B
ON_B
4 IF synthesizer charge pump output
5 analog supply to IF synthesizer
6 IF VCO main divider input
7 IF power-on input; ON_B = HIGH
means IF synthesizer is active
DGND
8 digital circuits ground
E
9 programming bus enable input
DATA
10 programming bus data input
CLK
11 programming bus clock input
V_DD
ON_A
12 digital circuits supply voltage
13 RF power-on input; ON_A = HIGH
means RF synthesizer is active
AGND
14 analog circuits ground
RF_A
V_CCA
CP_A
XOUT
15 RF VCO main divider input
16 analog supply to RF synthesizer
17 RF synthesizer charge pump output
18 inverting oscillator buffer output
V_DDX
19 supply voltage to crystal oscillator
circuits
XIN
20 non-inverting crystal reference input
handbook, halfpage
XIN 1
20 XIN
XGND 2
19 VDDX
XOUT ³
18 XOUT
CPB 4
17 CPA
VCCB 5
16 VCCA
UMA1022M
IFB 6
15 RFA
ONB 7
14 AGND
DGND 8
13 ONA
E9
DATA 10
12 VDD
11 CLK
MGE626
Fig.2 Pin configuration.
1998 Dec 09
4