Linear Technology LTC2636 Demo Manual

Octal 12-bit spi vout dacs with 10ppm/degrees c internal reference

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Description
Demonstration circuit 1466B features the
12-bit DAC. This device has an integrated, high accuracy,
low-drift reference. It has a rail-to-rail output buffer and is
guaranteed monotonic. This DAC communicates through
the simple SPI compatible interface.
To DC590
Table 1.
DEMO BOARD TYPE
A
B
C
D
Octal 12-Bit SPI V
10ppm/°C Internal Reference
LTC
2636
Octal
®
Figure 1
LTC2636 VARIATION (SUFFIX)
LZ
LMI
HZ
HMI
DEMO MANUAL DC1466B
Design files for this circuit board are available at
http://www.linear.com/demo/DC1466B
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.
POWER-UP OUTPUT
FULL-SCALE OUTPUT VOLTAGE
Zero
Mid-Scale
Zero
Mid-Scale
LTC2636
DACs with
OUT
Analog
Outputs
2.5V
2.5V
4.096V
4.096V
dc1466bf
1

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Summary of Contents for Linear Technology LTC2636

  • Page 1 It has a rail-to-rail output buffer and is L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and guaranteed monotonic. This DAC communicates through QuikEval is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners.
  • Page 2: Quick Start Procedure

    DEMO MANUAL DC1466B Quick start proceDure Connect DC1466B to a DC590 USB serial controller using update immediately. Values may be entered in voltage, the supplied 14 conductor ribbon cable. Connect DC590 hexadecimal counts, or decimal counts by selecting the to a host PC with a standard USB A/B cable. Run the appropriate radio button.
  • Page 3: Hardware Setup

    DEMO MANUAL DC1466B HarDware setup Analog Connections Digital Connections DAC Outputs – The eight DAC outputs from the LTC2636 LDAC – Load pin, active low, pulled to V by a 10k resistor. are brought out to turrets labeled VOUTA through VOUTH.
  • Page 4: Parts List

    DEMO MANUAL DC1466B parts List ITEM REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER Parts List – All Assembly Types C1, C3 CAP., X5R, 0.1µF, 16V, 10%, 0402 AVX, 0402YD104KAT CAP., X7R, 0.1µF, 16V, 10%, 0603 AVX, 0603YC104KAT CAP., X5R, 10µF, 16V, 10%, 0805 AVX, 0805YD106KAT E1–E13 TESTPOINT, TURRET, 0.065"...
  • Page 5: Schematic Diagram

    Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
  • Page 6 Linear Technology Corporation (LTC) provides the enclosed product(s) under the following AS IS conditions: This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety measures typically found in finished commercial goods.

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