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Zarlink Semiconductor |
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Features
• 3.45V Single Supply Operation
• Low Power Dissipation: 190mW typ
• Broadband: DC to 6GHz
• SSB Phase Noise (–153dBc/Hz @ 10KHz)
• Pout 3dBm
Prescaler Modulus
• ZL40800 – Divide by 8
• ZL40802 – Divide by 16
Applications
• DC to 6 GHz PLL applications
• HyperLan
• LMDS
• Instrumentation
• Satellite Communications
• Fibre Optic Communications; OC48, OC192
• Ultra Low Jitter Clock Systems
ZL40800 and ZL40802
6 GHz Fixed Modulus Prescalers
÷ 8 and ÷ 16
Data Sheet
July 2003
Ordering Information
ZL40800/DCA (tubes)
8 pin SOIC
ZL40800/DCB (tape and reel) 8 pin SOIC
ZL40802/DCA (tubes)
8 pin SOIC
ZL40802/DCB (tape and reel) 8 pin SOIC
-40°C to 85°C
Description
The ZL40800 and ZL40802 are Bipolar 3.45V supply,
very low power prescalers for professional applications
with a fixed modulus of 8 or 16. The ultra low close in
(1KHz offset) SSB phase noise performance is ideal for
narrow band communications systems or systems with
ultra low jitter budgets such as next generation fibre
optic communications. The devices are broadband from
DC to 6GHz.
See Figure 1 and Application Note for RF Prescalers for
more details.
VCC IN
1
Vref
200 Ohm
Div N
VCC OUT
8
OUTPUT
OUTPUT B
7
6
INPUT
2
INPUT B
3
400 Ohm
GND
4
•
10mA
GND
5
Figure 1 - Block Diagram
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2003, Zarlink Semiconductor Inc. All Rights Reserved.
ZL40800 and ZL40802
Data Sheet
Vcc IN
INPUT
INPUT Bar
GND
1
2
3
4
8 Vcc OUT
7 OUTPUT
6 OUTPUT Bar
5 GND
SOIC (N)
Figure 2 - Pin Connections - Top View
Application Configuration
Figure 3 shows a recommended application configuration. This example shows the device set up for single ended
operation.
Application Diagram
C1: 1nF
Rfilter
C2: 10nF
C3: 100pF
C4: 100pF
Rsource:
1
2
3
4
8 C5: 10nF
7
6
5 C6: 10nF Rload
Note: Dotted Components Optional
Figure 3 - Recommended circuit configuration
This represents the circuit used to complete characterisation. The tabulated Electrical performance is guaranteed
using this application circuit.
Unpopulated evaluation boards are available, type No. ZLE40008. Fully populated evaluation boards are also
available, type Nos. ZLE40800 and ZLE40802.
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Zarlink Semiconductor Inc.
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