sa8027 NXP Semiconductors, sa8027 Datasheet - Page 4

• Manufacturer Part Number: sa8027
• Description: 2.5 Ghz Low Voltage, Low Power Rf Fractional-n/if Integer Frequency Synthesizer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
HBCC24 PIN DESCRIPTION
2001 Aug 21
V
GND
GND
RFin+
RFin–
GND
PHP
PHI
GND
PHA
AUXin
N/C
N/C
SYMBOL
DDPre
2.5 GHz low voltage, low power
RF fractional-N/IF integer frequency synthesizer
Pre
CP
CP
RF/MAINin+
RF/MAINin–
STROBE
IF/AUXin
CLOCK
REFin+
REFin–
DATA
TEST
PIN
10
11
12
13
1
2
3
4
5
6
7
8
9
18
19
20
11
23
17
16
4
5
Prescaler supply voltage
Digital ground
Prescaler ground
RF input to main divider
RF input to main divider
Charge pump ground
Main normal charge pump
Main integral charge pump
Charge pump ground
Auxiliary charge pump output
Input to auxiliary divider
Not connected
Not connected
AMP
AMP
ADDRESS DECODER
LOAD SIGNALS
2–BIT SHIFT
REGISTER
DESCRIPTION
REFERENCE
LATCH
DIVIDER
MAIN DIVIDER
AUX DIVIDER
Figure 4. Block Diagram (HBCC24)
22–BIT SHIFT
LATCH
LATCH
REGISTER
CONTROL
LATCH
SM
SA
2 2 2 2
2
GND
4
V
R
REFin–
REFin+
CLOCK
DATA
STROBE
PON
LOCK
TEST
V
SYMBOL
DDCP
SET
DD
3
GND
pre
CURRENT
SETTING
PUMP
PUMP
BIAS
GND
V
24
6, 9
PIN
DETECTOR
DD
14
15
16
17
18
19
20
21
22
23
24
DETECTOR
PHASE
COMP
FRAC
CP
PHASE
V
1
Charge pump supply voltage
External resistor from this pin to ground
sets the charge pump current
Reference input
Reference input
Programming bus clock input
Programming bus data input
Programming bus enable input
Power down control
Lock detect output
Test (should be either grounded or
connected to V
Digital supply
DDpre
SELECT
LOCK
V
14
DDCP
DESCRIPTION
DD
15
22
10
21
7
8
)
SR02358
LOCK
R
PHP
PHA
PON
PHI
SET
SA8027
Product data