UMA1022M Datasheet, PDF (3/20 Pages) NXP Semiconductors – Low cost dual frequency synthesizer for radio telephones

Philips Semiconductors
Low cost dual frequency synthesizer for
radio telephones
Product specification
UMA1022M
ORDERING INFORMATION
TYPE NUMBER
UMA1022M
NAME
SSOP20
PACKAGE
DESCRIPTION
plastic shrink small outline package; 20 leads; body width 4.4 mm
BLOCK DIAGRAM
VERSION
SOT266-1
handbook, full pagewidth
CPA VCCA
17
16
RF CHARGE PUMP
RFA
15
AGND
14
ONA
13
RF PRESCALER AND DIVIDER
VDD
12
UMA1022M
RF PHASE DETECTOR
18
XOUT
VDDX ¹⁹
20
XIN
1
XIN
XGND ²
3
XOUT
COMMON
REFERENCE
DIVIDER
MUX
REFERENCE
SUBDIVIDER
IF PHASE DETECTOR
RF DIVIDER LATCH
MUX
REFERENCE
DIVIDER
LATCH
SERIAL
BUS
11
CLK
10
DATA
9
E
IF DIVIDER LATCH
IF CHARGE PUMP
4
CPB
5
VCCB
IF PRESCALER AND DIVIDER
6
7
IFB
ONB
8
DGND
MGE627
Fig.1 Block diagram.
1998 Dec 09
3