4

dc980abf

DEMO MANUAL

DC980A/DC980B

Quick start proceDure

The following procedure describes how to set up a DC980A, DC980B, and DC590 for demonstration purposes or to

evaluate the performance of the LTC2970.

1. Download and install LTpowerPlay: http://www.linear.com/ltpowerplay

2. The default locations of DC980A’s configuration jumpers are as follows:

JP1

ASEL0

JP2

ASEL1

JP3

GRIO_CFG

JP4

WRITE-

PROTECT

JP5

DAC1

TERMINATION

JP6

DAC0

TERMINATION

JP7

VDD

SOURCE

LO

LO

GND

ON

IOUT0

IOUT1

DC590

3. The default locations of DC980B’s configuration jumpers are as follows:

JP1

PHSMD

JP2

FSET

JP3

FCB

JP4

RUN1

JP5

RUN2

JP6

TRACK2

JP7

TRACK1

0

550kHz

CCM

ON

ON

EXT1

VOUT1

4. Connect the DC980A and DC980B boards using the 20-pin analog interface connector. Connect DC980A to the

5. Connect a power supply (8V to 15V) to the DC980B’s VIN and GND turrets. Refer to Figure 2 for the connections.

NOTE: Make sure that the input voltage does not exceed 15V. Be sure JP7 on the DC980A board is set to DC590.