SP8855E Просмотр технического описания (PDF) - Unspecified
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SP8855E Datasheet PDF : 14 Pages
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SP8855E
_____________________________________________________________________________
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
Supply current15, 26
RF input sensitivity
RF division ratio
Reference division ratio
Comparison frequency
Reference input frequency
Reference input voltage
Fref/Fpd output voltage
high
Fred/Fpd output voltage
low
Lock detect output voltage
Charge pump current at
multiplication factor = 1
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
Input bus low logic level
Input bus current source
Input bys current sink
Up down current matching
Charge pump reference
voltage
Charge pump reference
voltage
Rset current
Rset Voltage 19
Pin
Min
180
13, 14
-5.0
13,14,24
56
28, 25
1
28,24,25
28
10
28
630
24, 25
24, 25
17
19,20,21
±1.4
19,20,21
±2.0
19,20,21
±3.4
19,20,21
±5.4
1-11, 22
23, 29-44
3.5
1-11, 22
23,29-44
1-11,22
23,29-44
-200
1-11, 22
23,29-44
20
21
21
VCC-1.6
19
0.5
1.6
Value
Typ
240
1200
- 0.8
- 1.4
300
±1.5
±2.3
±3.8
±6.1
Max
mA
+7.0
16383
1023
50
100
2000
500
±1.7
±2.5
±4.6
±6.5
1
10
±5
VCC-
0.5
2
V
Units Conditions
dBm 100MHz to 2.8/2.7GHz See Fig. 3
MHz
MHz
mV p-p
Vwrt
VCC
Vwrt
VCC
mV
mA
mA
mA
mA
V
Reference division ratio ≥ 2 at
frequencies >50MHz also see Note 1.
Sine Wave 10-100MHz
2.2K to 0V
2.2K to 0V
IOUT = 3mA
Vpin 20 = Vpin 21,
Ipin 19 = 1.6mA
Vpin 20 = Vpin 21,
Ipin 19 = 1.6mA
Vpin 20 = Vpin 21,
Ipin 19 = 1.6mA
Vpin 20 = Vpin 21,
Ipin 19 = 1.6mA
V
µA VIN = 0V
µA VIN = VCC
%
Vpin 20 = Vpin 21,
Ipin 19 = 1.6mA
V
Ipin 19 =1.6mA
current multiplication factor = 1
V
Ipin 19 =1.6mA
current multiplication factor = 4
mA See Note 2
Ipin 19 = 1.6mA
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.
Data Sheet 291297 issue 3
4
Plessey Semiconductors Ltd.
Design & Technology Centre, Delta 500, Delta Business Park, Great Western Way, Swindon, UK SN5 7XE
Tel: +44 1793 518000
Fax: +44 1793 518030
Web: www.plesseysemi.com
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