Texas Instruments CDCLVP111EVM-CVAL, Руководство пользователя, Страница: 3 / 13

Supply 2 Supply 1
+ - + -
GND
3.3 V 2 V
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CDCLVP111-SP Setup and Quick Test
3 SCAU055 – November 2016
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CDCLVP111-SP Evaluation Module (CDCLVP111EVM-CVAL)
2.1 Power Supply Setup
Figure 2 illustrates the necessary power connections for 3.3-V VCC-to-VEE operation.
• With supply 1 disabled, program supply 1 to 3.3 V with 100-mA current limit
• With supply 2 disabled, program supply 2 to 2 V with 100-mA current limit
Figure 2. Power Supply Connections
(A) Connect supplies and board with banana cables as shown. This configuration is for nominal 3.3-V
testing. To configure other VCC-to-VEE voltages, program supply 1 to the proper range of 2.375 V to
3.8 V. Supply 2 remains fixed with 2-V offset from VCC to earth ground termination.
(B) With the signal generator disabled, program according to Table 1 based on the supply voltage used.
Note, that the amplitudes and offsets are based on a single-ended signal.
Table 1. Power Supply Configuration
Voltage VCC:VEE VCC-GND CLK[0:1] amplitude CLK[0:1] offset
MIN 2.375 V 2 V 500 mV 0.625 V
TYP 3.3 V 2 V 500 mV –0.3 V
MAX 3.8 V 2 V 500 mV –0.8 V