uaa3515a NXP Semiconductors, uaa3515a Datasheet - Page 33

• Manufacturer Part Number: uaa3515a
• Description: 900 Mhz Analog Cordless Telephone Ic
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2002 Sep 09
N
R
RDR
CDR
C
V
t
RF TX
f
R
R
Charge pump current
I
I
I
I
RX VCO
f
Q
N
-------------------------- -
sw(f1-f2)
RF
RXCPsink
RXCPsource
TXCPsink
TXCPsource
VCO
CLKOUT(p-p)
TUNE
EFERENCE AND CLOCK DIVIDER
L(CLKOUT)
PDR
MDR
VCO(RX)
900 MHz analog cordless telephone IC
L(VCO)(RX)
f
SYMBOL
VCO RX
V
RXLF
AND
RX
PRESCALER AND MAIN DIVIDERS
number of capacitance
tuning steps
reference divider ratio
clock divider ratio
clock output load
capacitance
CLKOUT voltage swing
(peak-to-peak value)
switching time from
frequency f1 to f2
RF input frequency
prescaler divider ratio
main divider ratio
RX charge pump sink
current
RX charge pump source
current
TX charge pump sink
current
TX charge pump source
current
oscillator free running
frequency
external inductor quality
factor
VCO gain
VCO RX phase noise;
(indicative: cannot be
measured directly)
PARAMETER
external to pin CLKOUT
CLKO level = 0
CLKO level = 1
RXCPI = 0
RXCPI = 1
RXCPI = 0
TXCPI = 0
TXCPI = 1
TXCPI = 0
note 1
f = 920 MHz; L = 3.9 nH
L
(3.9 nH for 935 MHz operation)
f
L
(3.9 nH for 935 MHz operation);
loop filter: see note 5
5 steps (2, 2.5, 4, 1 and 128)
RXCPI = 1
TXCPI = 1
carrier
ext
ext
V
V
f
f
f
offset
offset
offset
RXLF
RXLF
= 4.7 nH at 890 MHz
= 4.7 nH
= 892.3 MHz;
= 1 kHz
= 10 kHz
= 100 kHz
= 0.5 V
= 1.5 V
CONDITIONS
33
8
1
902
64
8
30
MIN.
16
1.4
1
903
400
800
400
800
910
55
30
---- -
f2
2
400
800
400
800
58
82
102
TYP.
Product specification
1023
128
20
928
127
1023
UAA3515A
MAX.
steps
pF
V
V
s
MHz
MHz
MHz/V
MHz/V
dBc/Hz
dBc/Hz
dBc/Hz
A
A
A
A
A
A
A
A
UNIT