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dc1332bfa
DEMO MANUAL DC1332B
Description
LTC2631
Single 12-/10-/8-Bit I
2
C
V
OUT
DACs with Integrated
10ppm/°C Reference
Demonstration circuit 1332B features the
LTC
®
2631
, a
12-bit I
2
C DAC with 1LSB (max) INL error. This device
establishes a new benchmark for size and integration of
12-bit DACs and onboard reference.
The DC1332B may be connected directly to the target
application’s analog signals while using the DC590 USB
serial controller board and supplied software to measure
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
QuikEval is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners.
BoarD photo
performance. After evaluating with Linear Technology’s
software, the digital signals can be connected to the end
application’s processor/controller for development of the
serial interface.
Design files for this circuit board are available at
http://www.linear.com/demo
Figure 1. DC1332B Connection Diagram
DAC
CONNECTIONS
I
2
C ADDRESS JUMPERS
RIBBON CABLE
TO DC590
CONTROLLER
dc1332b F01
Demo BoarD Variations
DEMO BOARD TYPE
LTC2631 VARIATION
RESOLUTION (BITS)
POWER-UP
FULL-SCALE
DC1332B-A
LTC2631ACTS8-LM12
12
Mid-Scale
2.5V
DC1332B-B
LTC2631ACTS8-LZ12
12
Zero
2.5V
DC1332B-C
LTC2631ACTS8-HM12
12
Mid-Scale
4.096V
DC1332B-D
LTC2631ACTS8-HZ12
12
Zero
4.096V
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