SP8855D Просмотр технического описания (PDF) - Zarlink Semiconductor Inc
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SP8855D Datasheet PDF : 14 Pages
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SP8855D
ELECTRICAL CHARACTERISTICS
Guaranteed over the full temperature and supply voltage range (unless otherwise stated)
Temperature Tamb for KG parts –55°C and +100 °C
Temperature Tamb for IG parts –40°C and +85°
Supply Voltage = 4.75V and 5.25V
Characteristics
Value
Pin
Units
Min
Typ
Max
Supply current
15, 26
180
240
mA
Conditions
RF input sensitivity
13, 14
–5.0
+7.0
dBm 100MHz to 1.7GHz See Fig. 3
RF division ratio
Reference division ratio
13,14,24
56
28, 25
1
16383
1023
Comparison frequency
28,24,25
50
MHz
Reference input frequency
28
10
100
MHz Reference division ratio ≥ 2 See
Note 1
Reference input voltage
28
0
+6
+10
dBm
Fref/Fpd output voltage high
Fref/Fpd output voltage low
Lock detect output voltage
Charge pump current at
multiplication factor =1
24, 25
24, 25
17
19,20,21
Charge pump current at
multiplication factor =1.5
Charge pump current at
multiplication factor = 2.5
Charge pump current at
multiplication factor = 4.0
Input bus high logic level
19,20,21
19,20,21
19,20,21
1–11,22
23,29–44
"1.4
"2.0
"3.4
"5.4
3.5
–0.8
–1.4
300
"1.5
"2.3
"3.8
"6.1
500
"1.7
"2.5
"4.6
"6.5
Vwrt VCC 2.2K to 0V
Vwrt VCC 2.2K to 0V
mV
IOUT = 3mA
mA
Vpin 20 = Vpin 21,
Ipin 19 = 1.6mA
mA
Vpin 20 = Vpin 21,
Ipin 19 = 1.6mA
mA
Vpin 20 = Vpin 21,
Ipin 19 = 1.6mA
mA
Vpin 20 = Vpin 21,
Ipin 19 = 1.6mA
V
Input bus low logic level
1–11,22,
23,29–44
1
V
Input bus current source
Input bus current sink
Up down current matching
1–11,22,
23,29–44
1–11,22,
23,29–44
20
–200
mA
VIN = 0V
10
mA
VIN = VCC
"5
%
Vpin 20 = Vpin 21,
Ipin 19 = 1.6mA
Charge pump reference
21
voltage
VCC – 0.5
V
Ipin 19 = 1.6mA current
multiplication factor = 1
Charge pump reference
voltage
21
VCC–1.6
V
Ipin 19 = 1.6mA current
multiplication factor = 4
Rset current
19
0.5
2
mA See Note 2
Rset Voltage
19
1.6
V
Ipin 19 = 1.6 mA
Notes: 1. Lower reference frequencies may be used if slew rates are maintained.
2. Pin 19 current x multiplication factor must be less than 5mA if charge pump accuracy is to be maintained.
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