SP5769 Datasheet, PDF (5/11 Pages) Mitel Networks Corporation – 3GHz I2C Bus Synthesiser

SP5769
Address
Status byte
MSB
1
1
0
0
0
MA1 MA0
POR FL
0
0
0
0
0
Table 3 Read data format (MSB transmitted first)
A
MA1, MA0
POR
FL
Acknowledge bit
Variable address bits (see Table 4)
Power On Reset indicator
Phase lock flag
LSB
1
0
A Byte 1
A Byte 2
MA1 MA0 Address input voltage level
0
0
0 to 0·1V_CC
0
1 Open circuit
1
0
0·4V_CC to 0·6V_CC *
1
1
0·9V_CC to V_CC
* Programmed by connecting a 15kΩ resistor from pin 10 to V_CC
Table 4 Address selection
C1 C0
00
01
10
11
Current (µA)
Min.
Typ.
Max.
6116
6247
6517
61087
6155
6330
6690
61450
6194
6412
6862
61812
Table 6 Charge pump current
T2 T1 T0
Test mode description
0
X
X Normal operation
1
0
0 Charge pump sink
Status byte FL = logic ‘0’
1
0
1 Charge pump source
Status byte FL = logic ‘0’
1
1
0 Charge pump disable
Status byte FL = logic ‘1’
1
1
1 P0 = f_PD/2
Table 5 Test modes
RE
RS
REF/COMP output
0
X High impedance
1
0
f_REF selected
1
1
f_COMP selected
Table 7 REF/COMP output
300
100
OPERATING WINDOW
40
100 200
1000
2000
FREQUENCY (MHz)
3000
Figure 3 Typical RF input sensitivity
4000
5