LTC2704-12 LINER [Linear Technology], LTC2704-12 Datasheet
LTC2704-12
Related parts for LTC2704-12
LTC2704-12 Summary of contents
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FEATURES Tiny 3mm × 3mm 8-Pin DFN Package ■ ■ Maximum 16-Bit INL Error: ±2LSB over Temperature ■ Low 120μA Supply Current ■ Guaranteed Monotonic over Temperature ■ Low 0.5nV•sec Glitch Impulse ■ 2.7V to 5.5V Single Supply Operation ■ ...
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LTC2641/LTC2642 ABSOLUTE MAXIMUM RATINGS V to GND .................................................. –0. ⎯ C ⎯ SCLK, DIN, ⎯ C ⎯ L ⎯ GND ........................ –0. REF INV to GND ........ –0.3V to ...
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ORDER INFORMATION LTC2641 LEAD FREE FINISH TAPE AND REEL LTC2641CDD-16#PBF LTC2641CDD-16#TRPBF LTC2641CDD-14#PBF LTC2641CDD-14#TRPBF LTC2641CDD-12#PBF LTC2641CDD-12#TRPBF LTC2641IDD-16#PBF LTC2641IDD-16#TRPBF LTC2641IDD-14#PBF LTC2641IDD-14#TRPBF LTC2641IDD-12#PBF LTC2641IDD-12#TRPBF LTC2641CMS8-16#PBF LTC2641CMS8-16#TRPBF LTC2641CMS8-14#PBF LTC2641CMS8-14#TRPBF LTC2641CMS8-12#PBF LTC2641CMS8-12#TRPBF LTC2641IMS8-16#PBF LTC2641IMS8-16#TRPBF LTC2641IMS8-14#PBF LTC2641IMS8-14#TRPBF LTC2641IMS8-12#PBF LTC2641IMS8-12#TRPBF LTC2642 LTC2642CDD-16#PBF LTC2642CDD-16#TRPBF LTC2642CDD-14#PBF LTC2642CDD-14#TRPBF LTC2642CDD-12#PBF LTC2642CDD-12#TRPBF ...
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LTC2641/LTC2642 ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T otherwise specified. SYMBOL PARAMETER CONDITIONS Static Peformance N Resolution Monotonicity DNL Differential Nonlinearity (Note 2) INL Integral Nonlinearity (Note 2) ZSE Zero Code Offset Error Code = 0 ZS ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T otherwise specified. SYMBOL PARAMETER I Digital Input Current IN C Digital Input Capacitance IN V Hysteresis Voltage H Power Supply V Supply Voltage DD I Supply Current ...
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LTC2641/LTC2642 TYPICAL PERFORMANCE CHARACTERISTICS Integral Nonlinearity (INL) 1.0 LTC2642-16 0 2.5V REF 0.6 DD 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 0 16384 32768 49152 65535 CODE 26412 G01 Differential Nonlinearity (DNL) 1.0 LTC2642-16 ...
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TYPICAL PERFORMANCE CHARACTERISTICS Bipolar Gain Error vs Temperature 2.5V REF –1 –2 –3 –4 –5 –40 – TEMPERATURE (°C) 26412 G10 14-Bit Integral Nonlinearity (INL) ...
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LTC2641/LTC2642 TYPICAL PERFORMANCE CHARACTERISTICS Supply Current ( Temperature 150 V = 2.5V REF 125 100 –40 – TEMPERATURE (°C) 26412 G19 Supply ...
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PIN FUNCTIONS LTC2641 REF (Pin 1): Reference Voltage Input. Apply an external reference at REF between 2V and V ⎯ C ⎯ S (Pin 2): Serial Interface Chip Select/Load Input. When ⎯ C ⎯ low, SCLK is enabled ...
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LTC2641/LTC2642 BLOCK DIAGRAMS LTC2641 REF DD LTC2641-16 LTC2641-14 LTC2641-12 POWER-ON 16-/14-/12-BIT DAC RESET CS 2 SCLK 3 CONTROL 16-BIT DATA LATCH DIN LOGIC 4 CLR 16-BIT SHIFT REGISTER 5 TIMING DIAGRAM SCK SDI ...
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OPERATION The digital-to-analog transfer function at the V is: ⎛ ⎞ ⎝ ⎜ ⎠ ⎟ OUT IDEAL ( ) REF N 2 where k is the decimal equivalent of the binary DAC input code ...
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LTC2641/LTC2642 OPERATION Power-On Reset The LTC2641/LTC2642 include a power-on reset circuit to ensure that the DAC ouput comes known state. When V is fi rst applied, the power-on reset circuit sets DD the output of the LTC2641 ...
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APPLICATIONS INFORMATION Bipolar Confi guration Figure 3 shows a typical bipolar DAC application for the LTC2642. The on-chip bipolar offset/gain resistors, R and R , are connected to an external amplifi produce INV a bipolar output swing from ...
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LTC2641/LTC2642 APPLICATIONS INFORMATION Unbuffered Operation and V Loading OUT The DAC output is available directly at the V swings from GND Unbuffered operation provides REF the lowest possible offset, full-scale and linearity errors, the fastest settling time ...
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APPLICATIONS INFORMATION such as the LTC6078 is suitable, if the application does not require linear operation very near to GND, or zero scale (Figure 2). The LTC6078 typically swings to within 1mV of GND not required to ...
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LTC2641/LTC2642 APPLICATIONS INFORMATION Op Amp Specifi cations and Bipolar DAC Accuracy The op amp contributions to unipolar DAC error discussed above apply equally to bipolar operation. The bipolar ap- plication circuit gains up the DAC span, and all errors, by ...
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APPLICATIONS INFORMATION Digital Inputs and Interface Logic All of the digital inputs include Schmitt-trigger buffers to accept slow transition interfaces. This means that op- tocuplers can interface directly to the LTC2641/LTC2642 without additional external logic. Digital input hysteresis is typically ...
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LTC2641/LTC2642 PACKAGE DESCRIPTION 3.5 ±0.05 1.65 ±0.05 2.15 ±0.05 (2 SIDES) 0.25 ± 0.05 0.50 BSC 2.38 ±0.05 (2 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS NOTE: 1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WEED-1) ...
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PACKAGE DESCRIPTION 0.889 ± 0.127 (.035 ± .005) 5.23 3.20 – 3.45 (.206) (.126 – .136) MIN 0.42 ± 0.038 0.65 (.0165 ± .0015) (.0256) TYP BSC RECOMMENDED SOLDER PAD LAYOUT NOTE: 1. DIMENSIONS IN MILLIMETER/(INCH) 2. DRAWING NOT TO ...
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