UMA1005 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
UMA1005 Datasheet PDF : 24 Pages
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Philips Semiconductors
Dual low-power frequency synthesizer
Preliminary specification
UMA1005T
PINNING
SYMBOL PIN
DESCRIPTION
VDDD
INM1
1 digital supply voltage
2 main divider positive input; rising edge
active
INM2
3 main divider negative input; falling
edge active
DATA
4 serial data input line
CLOCK 5 serial clock input line
STROBE 6 serial strobe input line
INR
7 reference divider input line; rising edge
active
INA
8 auxiliary divider input line; rising edge
active
RA
PHA
9 auxiliary current setting; resistor to VSS
10 auxiliary phase detector output
PHI
11 integral phase detector output
VSSA
PHP
12 analog ground; internally connected to
VSS
13 proportional phase detector output
VDDA
RN
RF
LOCK
14 analog supply voltage
15 main current setting input; resistor to
VSS
16 fractional compensation current setting
input; resistor to VSS
17 lock detector output
FB1
18 feedback output 1 for prescaler
modulus control
FB2
19 feedback output 2 for prescaler
modulus control
VSS
20 common ground connection
1/2 page (Datasheet)
VDDD 1
20 V SS
INM1 2
19 FB2
INM2 3
18 FB1
DATA 4
17 LOCK
CLOCK 5
STROBE 6
16 RF
UMA1005T
15 RN
INR 7
14 V DDA
INA 8
13 PHP
RA 9
PHA 10
12 V SSA
11 PHI
MEA667
Fig.2 Pin configuration.
22 mm
November 1994
4
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