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Part Number: LMX1600
Description: The LMX1600/01/02 is part of a family of monolithic integrated dual frequency synthesizers designed to...
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LMX1600
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DataSheet
General Description
LMX1600 General Description
The LMX1600/01/02 is part of a family of monolithic integrated dual frequency synthesizers designed to be used in a local oscillator subsystem for a radio transceiver. It is fabricated using National's 0.5u ABiC V silicon BiCMOS process.
The LMX1600/01/02 contains two dual modulus prescalers, four programmable counters, two phase detectors and two selectable gain charge pumps necessary to provide the control voltage for two external loop filters and VCO loops. Digital filtered lock detects for both PLLs are included. Data is transferred into the LMX1600/01/02 via a MICROWIRE™ serial interface (Data, Clock, LE). VCC supply voltage can range from 2.7V to 3.6V.
The LMX1600/01/02 features very low current consumption - typically 4.0 mA at 3V for LMX1601, 5.0 mA at 3V for LMX1600 or LMX1602. Powerdown for the PLL is hardware controlled.
The LMX1600/01/02 is available in a 16 pin TSSOP surface mount plastic package.
LMX1600 Maximum Ratings
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.
|
Parameter |
Symbol |
Value |
Unit | ||
|
Min |
Typical |
Max | |||
| Power Supply Voltage |
VCCMAIN |
-0.3 |
6.5 |
V | |
|
VCCAUX |
-0.3 |
6.5 |
V | ||
| Voltage on any pin with GND=0V |
VI |
-0.3 |
VCC + 0.3 |
V | |
| Storage Temperature Range |
TS |
-65 |
+150 |
||
| Lead Temp. (solder 4 sec) |
TL |
+260 |
|||
| ESD-Human Body Model (Note 2) |
2000 |
eV | |||
LMX1600 Features
`VCC = 2.7V to 3.6V operation
`Low current consumption: 4 mA @ 3V (typ) for LMX1601 5 mA @ 3V (typ) for LMX1600 or LMX1602
`PLL Powerdown mode: ICC = 1 µA typical
`Dual modulus prescaler:
- 2 GHz/500 MHz option: (Main) 32/33 (Aux) 8/9
- 1.1 GHz/500 MHz option: (Main) 16/17 (Aux) 8/9
- 1.1 GHz/1.1 GHz option: (Main) 16/17 (Aux) 16/17
`Digital Filtered Lock Detects
`Low current consumption: 4 mA @ 3V (typ) for LMX1601 5 mA @ 3V (typ) for LMX1600 or LMX1602
`PLL Powerdown mode: ICC = 1 µA typical
`Dual modulus prescaler:
- 2 GHz/500 MHz option: (Main) 32/33 (Aux) 8/9
- 1.1 GHz/500 MHz option: (Main) 16/17 (Aux) 8/9
- 1.1 GHz/1.1 GHz option: (Main) 16/17 (Aux) 16/17
`Digital Filtered Lock Detects
LMX1600 Typical Application
·Cordless / Cellular / PCS phones
·Other digital mobile phones
·Other digital mobile phones
LMX1600 Connection Diagram
LMX1600
PDF/DataSheet Download
- Datasheet: LMX1600
- File Size: 201393 KB
- Manufacturer: NSC [National Semiconductor]
- Click here to Download
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