LTC2636-HMI12 [Linear]
QUICK START GUIDE FOR DEMONSTRATION CIRCUIT DC1466; 快速入门指南演示电路DC1466
| 型号： | LTC2636-HMI12 |
| 厂家： | 
Linear |
| 描述： | QUICK START GUIDE FOR DEMONSTRATION CIRCUIT DC1466 |
| 文件： | 总4页 (文件大小：262K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
QUICK START GUIDE FOR DEMONSTRATION CIRCUIT DC1466
OCTAL 12-BIT DAC WITH INTERNAL REFERENCE
LTC2636
DESCRIPTION
Demonstration circuit DC1466 features the nicates through the simple SPI/MICROWIRE
LTC2636 Octal 12-bit DAC. This device has an compatible interface.
integrated, high accuracy, low-drift refer-
Design files for this circuit board are
ence. It has a rail-to-rail output buffer
available. Call the LTC factory.
and is guaranteed monotonic. This DAC commu-
Analog
To DC590
Outputs
Demoboard LTC2636 Variation Power Up
Type
Full Scale
A
B
C
D
LZ
Zero
2.5V
LMI
HZ
Midscale
Zero
2.5V
4.096V
4.096
HMI
Midscale
1
QUICK START GUIDE FOR DEMONSTRATION CIRCUIT DC1466
OCTAL 12-BIT DAC WITH INTERNAL REFERENCE
QUICK START PROCEDURE
Connect DC1466 to a DC590 USB serial con-
troller using the supplied 14 conductor
ribbon cable. Connect DC590 to a host PC
with a standard USB A/B cable. Run the
evaluation software supplied with DC590 or
download it from www.linear.com. The cor-
rect control panel will be loaded automati-
cally. Click the COLLECT button to begin
outputting codes to the DACs and reading
back the resulting output voltage for each
DAC.
Complete software documentation is avail-
able from the Help menu item, as features
may be added periodically.
2
QUICK START GUIDE FOR DEMONSTRATION CIRCUIT DC1466
OCTAL 12-BIT DAC WITH INTERNAL REFERENCE
HARDWARE SET-UP
may also be applied to this turret after
changing the setting in the QuickEval soft-
ware.
ANALOG CONNECTIONS
DAC outputs – The eight DAC outputs from
the LTC2636 are brought out to turrets la-
beled VOUTA through VOUTH. These may be
connected to external instruments or other
circuitry.
GROUNDING AND POWER CONNECTIONS
Power (Vcc) – Normally DC1466 is powered by
the DC590 controller. Vcc can be supplied
to this turret, however the power supply on
DC590 must be disabled! Refer to DC590
Quick Start Guide for more details on this
mode of operation.
DAC outputs are not in alphabetical
order on the circuit board.
Vref – The Ref turret is connected directly
to the reference terminals of the LTC2636
When the integrated reference is being
used, the reference voltage may be moni-
tored at this point. An external reference
Grounding – Ground turrets as well as 2
grounding strips are provided.
3
QUICK START GUIDE FOR DEMONSTRATION CIRCUIT DC1466
OCTAL 12-BIT DAC WITH INTERNAL REFERENCE
4
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