SNAU210B March   2020  – July 2021

 

  1.   Trademarks
  2. 1Evaluation Board Setup
  3. 2EVM Description
    1. 2.1 Installing the Software
  4. 3Bringing LMX2594 to a Lock State
  5. 4Loop Filter Configuration
  6. 5Key Results to Expect
  7.   A Schematic
  8.   B Bill of Materials
  9.   C Board Layers Stack-Up
  10.   D Changing Reference Oscillator and Setup
  11.   E Connecting Reference Pro
  12.   F Ramping Feature
  13.   G SYSREF Feature
  14.   H Enabling Onboard DC-DC Buck Converter (TPS62150)
  15.   Revision History

2 EVM Description

The LMX2594 is populated on a 4-layer PCB. This brief description should help you use the EVM:

GUID-BEA3CC8B-B0EF-46EF-85CF-03445B5A3E33-low.gif Figure 2-1 LMX2594EVM Description

The serial interface pin description is shown in Table 2-1.

Table 2-1 Serial Interface Connector Description
NO. NAME
1 RAMPDIR and CE (Choose with Resistors on Board)
2 CSB
3 MUXout
4 SDI
5 Not Used
6 GND
7 RampCLK
8 SCK
9 SysRefReq
10 SYNC