Datasheet Linear Technology LTC2630CSC6-HZ10#TRPBF — 数据表

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LTC2630-10 LTC2630-12 LTC2630-8

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• 下载
  12-bit DAC in TSOT-23 Includes Bidirectional REF Pin for Connection to Op Amp or External High Precision Reference &mdash DN448
  PDF, 87 Kb, 档案已发布: Aug 25, 2008
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  12-bit DAC in TSOT-23 Includes Bidirectional REF Pin for
  Connection to Op Amp or External High Precision Reference
  Design Note 448
  Kevin Wrenner, Troy Seman and Mark Thoren
  Introduction
  The LTC®2630’s combination of a 12-bit DAC and low-drift
  integrated reference in a tiny SC-70 package has proven
  popular for a wide variety of applications. Two new DACs,
  the LTC2631 and LTC2640, take this winning formula and
  further expand its reach by adding a bidirectional REF pin
  and an optional I2C interface in a tiny TSOT-23. The LT1991 precision op amp is a superb choice for
  amplifying or attenuating the DAC output to achieve a
  desired output range because it requires no precision
  external resistors. Its integrated, precision resistors are
  matched to 0.04%, allowing gain to be set by simple pin
  strapping (see the data sheet for a large variety of gain
  options). Figure 1 shows the configuration for a difference
  gain of 4, resulting in a В±5V output with 12-bit programmability under I2C control. Integral nonlinearity, seen in
  Figure 2, is better than 1LSB. Like their predecessor, these parts feature 1-bit INL and
  DNL, offer excellent load regulation driving up to 10mA
  loads, and can operate rail-to-rail. See Table 1 for a list
  of options. Figure 3 shows a negative output system using a similar
  setup, this time with the LT1991 conп¬Ѓgured as an inverting …

文章

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  12-,10-, and 8-Bit DACs with Integrated 10ppm/°C Reference in 2mm x 2.1mm SC70 &mdash LT Journal
  PDF, 315 Kb, 档案已发布: Jun 14, 2007
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  DESIGN FEATURES L 12-,10-, and 8-Bit DACs with
  Integrated 10ppm/В°C Reference
  in 2mm Г— 2.1mm SC70
  by Kevin Wrenner, Troy Seman and Mark Thoren Introduction
  Because the output voltage range
  of a DAC is directly proportional to
  its reference voltage, the accuracy
  of the reference directly impacts the
  accuracy of the output. Despite the
  critical nature of the reference voltage,
  it is often overlooked, and simply tied
  to a power supply rail. This makes
  the DAC output track the power supply—including its inaccuracies and
  noise, which may be unspecified and
  quite large.
  In the LTC2630 family of smallfootprint DACs, a high performance
  voltage reference is built in (Figure 1),
  eliminating the need for an external
  reference. The LTC2630 provides an
  unprecedented combination of accuracy, small size, integrated reference
  and ease of use, making it ideal for
  applications from general-purpose
  voltage adjustment in analog signal …

模型线

制造商分类

• Data Conversion > Digital-to-Analog Converters (DAC) > Voltage Output DACs | Unipolar Digital-to-Analog Converters (DAC)
• Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) DACs

其他名称:

LTC2630CSC6-HZ10TRPBF, LTC2630CSC6-HZ10 TRPBF, LTC2630CSC6HZ10#TRPBF, LTC2630CSC6 HZ10#TRPBF