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SP5768

Features: • Complete 3.0GHz single chip system• Optimised for low phase noise, with comparison frequencies up to 4 MHz• No RF prescaler• Selectable reference division ratio• Reference frequency output• Selectable charge pump current• Integrated loop amplif...

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SeekIC No. : 004500509 Detail

SP5768: Features: • Complete 3.0GHz single chip system• Optimised for low phase noise, with comparison frequencies up to 4 MHz• No RF prescaler• Selectable reference division ratio&#...

SP5768 Data Sheet

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Part Number:
SP5768
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Complete 3.0GHz single chip system
• Optimised for low phase noise, with comparison frequencies up to 4 MHz
• No RF prescaler
• Selectable reference division ratio
• Reference frequency output
• Selectable charge pump current
• Integrated loop amplifier
• Four switching ports
• Low power replacement for SP5658 and 5668
• Downwards software compatible with SP5658
• ESD protection, (Normal ESD handling procedures should be observed)




Application

• TV, VCR and Cable tuning systems
• Communications systems


Pinout

Connection Diagram


Specifications

Characteristic
Pin
Min
Typ
Max
Units
Conditions
Supply voltage, Vcc
RF input voltage
RF input DC offset
Port voltage
Charge pump DC offset
Varactor drive DC offset
Crystal DC offset
Buffered ref output
Data, clock & enable
DC offset
Storage temperature
Junction temperature
MP16 thermal resistance,
chip to ambient
chip to case
Power consumption at
Vcc=5.5V
ESD protection
12
13,14
13,14
7,8,9,10
1
16
2,3
11
5,6,4
-0.3

-0.3
-0.3
-0.3
-0.3
-0.3
-0.3
-0.3

-55






2

 
7
2.5
Vcc+0.3
Vcc+0.3
Vcc+0.3
Vcc+0.3
Vcc+0.3
Vcc+0.3
Vcc+0.3

+125
+150

80
20

138
V
Vp-p
V
V
V
V
V
V
V

°C
°C

°C/W
°C/W
mW

kV

Differential













All ports off

Mil-std 883B latest revision
method 3015 cat.1.



Description

The SP5768 is a single chip frequency synthesiser designed for tuning systems up to 3.0GHz and is optimized for low phase noise with comparison
frequencies up to 4 MHz.

The RF programmable divider contains a front end dual modulus 16/17 functioning over the full operating range and allows for coarse tuning in the upconverter application and fine tuning in the downconverter.

Comparison frequencies are obtained either from a crystal controlled on-chip oscillator or from an external source. A buffered reference frequency output is also available to drive a second SP5768.

The device also contains 4 switching ports.




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