LTC2754BIUKG-16#PBF Linear Technology, LTC2754BIUKG-16#PBF Datasheet
LTC2754BIUKG-16#PBF
Specifications of LTC2754BIUKG-16#PBF
Related parts for LTC2754BIUKG-16#PBF
LTC2754BIUKG-16#PBF Summary of contents
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... CLR pin both reset the DAC outputs to 0V regardless of output range. L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. SoftSpan is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. ...
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... TAPE AND REEL LTC2754CUKG-12#PBF LTC2754CUKG-12#TRPBF LTC2754IUKG-12#PBF LTC2754IUKG-12#TRPBF LTC2754BCUKG-16#PBF LTC2754BCUKG-16#TRPBF LTC2754BIUKG-16#PBF LTC2754BIUKG-16#TRPBF LTC2754ACUKG-16#PBF LTC2754ACUKG-16#TRPBF LTC2754AIUKG-16#PBF LTC2754AIUKG-16#TRPBF Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. ...
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ELECTRICAL CHARACTERISTICS specifi cations which apply over the full operating temperature range, otherwise specifi cations are at T SYMBOL PARAMETER CONDITIONS Static Performance Resolution Monotonicity DNL Differential Nonlinearity INL Integral Nonlinearity GE Gain Error All Output Ranges Gain Error Temp- ...
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LTC2754 ELECTRICAL CHARACTERISTICS specifi cations which apply over the full operating temperature range, otherwise specifi cations are at T SYMBOL PARAMETER Power Supply V Supply Voltage DD I Supply Current Digital Inputs V Digital Input High Voltage ...
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TIMING CHARACTERISTICS otherwise specifi cations are 25°C. A SYMBOL PARAMETER CS/LD Low to SCK Positive Edge t 7 CS/LD High to SCK Positive Edge SRO Propagation Delay 9 CLR Pulse Width Low t 10 ...
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LTC2754 TYPICAL PERFORMANCE CHARACTERISTICS LTC2754-16 DNL vs Temperature 1 0 REF ±10V RANGE 0.6 0.4 0.2 +DNL 0.0 –DNL –0.2 –0.4 –0.6 –0.8 –1.0 –40 – TEMPERATURE (°C) ...
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TYPICAL PERFORMANCE CHARACTERISTICS LTC2754-12 Integral Nonlinearity (INL REF ±10V RANGE 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 0 1024 2048 CODE LTC2754 Supply Current vs Logic Input Voltage 5 ...
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LTC2754 PIN FUNCTIONS GE (Pin1): Gain Adjust Pin for DAC A. This control ADJA pin can be used to null gain error or to compensate for reference errors. Nominal adjustment range is ±512 LSB (LTC2754-16) for a voltage input range ...
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PIN FUNCTIONS V (Pin 20): DAC D Offset Adjust Pin. This control OSADJD pin can be used to null unipolar offset or bipolar zero error. The offset voltage delta is inverted and attenuated such that a 5V control voltage applied ...
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LTC2754 PIN FUNCTIONS S0 (Pin 33): Span Bit 0. In Manual Span mode (M-SPAN tied Pins S0, S1 and S2 are pin-strapped to select DD a single fi xed output range for all DACs. These pins should ...
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PIN FUNCTIONS R (Pin 50): Bipolar Offset Network for DAC A. This OFSA pin provides the translation of the output voltage range for bipolar spans. Accepts up to ±15V; for normal operation tie to the positive reference voltage at R ...
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LTC2754 TIMING DIAGRAMS SCK SDI CS/LD LDAC Hi-Z SRO OPERATION Output Ranges The LTC2754 is a quad, current-output, serial-input preci- sion multiplying DAC with selectable output ranges. Ranges can either be programmed in software for maximum fl ...
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OPERATION Input and DAC Registers The LTC2754 has 5 internal registers for each DAC, a total of 20 registers (see Block Diagram). Each DAC channel has two sets of double-buffered registers—one set for the code data, and one for the ...
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LTC2754 OPERATION Table 1. Command Codes CODE COMMAND Write Span DAC Write Code DAC Update DAC Update ...
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OPERATION Readback in M-Span Confi guration If the part is in M-Span confi guration and a DAC Span register is specifi ed for readback, then the data shifted out of SRO will refl ect the actual active span. The hardware- ...
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LTC2754 OPERATION System Offset and Reference Adjustments The LTC2754 has individual offset- and gain- adjust pins (V and GE , respectively) for each of its four OSADJX ADJX DACs. Many systems require compensation for overall system offset. This may be ...
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OPERATION LTC2754 2754f 17 ...
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LTC2754 OPERATION 18 2754f ...
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OPERATION WRITE DATA WRITE DATA SDI DAC A DAC B READ ... SRO INPUT DATA REGISTER DAC A WRITE DATA WRITE DATA DAC C DAC D READ READ INPUT DATA INPUT DATA REGISTER DAC B REGISTER DAC C Figure 4. ...
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LTC2754 APPLICATIONS INFORMATION Op Amp Selection Because of the extremely high accuracy of the 16-bit LTC2754-16, careful thought should be given to op amp selection in order to achieve the exceptional performance of which the part is capable. Fortunately, the ...
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APPLICATIONS INFORMATION the system’s specifi ed error budget. Select the amplifi er from Table 6 and insert the specifi amp parameters in Table 5. Add up all the errors for each category to de- termine the effect the ...
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LTC2754 APPLICATIONS INFORMATION As precision DAC applications move to 16-bit and higher performance, reference output voltage noise may contrib- ute a dominant share of the system’s noise fl oor. This in turn can degrade system dynamic range and signal-to- noise ...
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APPLICATIONS INFORMATION ALTERNATE AMPLIFIER FOR OPTIMUM SETTLING TIME PERFORMANCE 3, 12, 29 OUT2 6 LT1468 1 ZETEX BAT54S REF 5V R OFSA ADJA 1 1/2 LT1469 R 2 COMA – 150pF ...
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LTC2754 APPLICATIONS INFORMATION Figure 6. LTC2754 Evaluation Board DC1546. Layer 1, Top Layer (Component Side) Figure 7. LTC2754 Evaluation Board DC1546. Layer 2, GND Plane 24 2754 F06 2754 F07 2754f ...
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APPLICATIONS INFORMATION Figure 8. LTC2754 Evaluation Board DC1546. Layer 3, Power Traces Figure 9. LTC2754 Evaluation Board DC1546. Layer 4, Bottom Layer (Solder Side) LTC2754 2754 F08 2754 F09 2754f 25 ...
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LTC2754 TYPICAL APPLICATION Digitally Controlled Offset and Gain Trim Circuit. Powering OUT 10μF LT1236-5 10μF 5 TRIM GND 10k 10k 10k 4 CS1 SDI SCK SDO 5V CS2 0.1μF 0.1μ 10k REF ...
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... ALL DIMENSIONS ARE IN MILLIMETERS 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. UKG Package 52-Lead Plastic QFN (7mm × ...
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... INL, DNL, Software-Selectable (SoftSpan) Ranges, 5mm × 7mm QFN-38 Package SoftSpan Dual ±1LSB INL, DNL, Software-Selectable (SoftSpan) Ranges, 7mm × 7mm QFN-48 Package SoftSpan Quad ±1LSB INL, DNL, Software-Selectable (SoftSpan) Ranges, 9mm × 9mm QFN-64 Package www.linear.com ● 2754f LT 0609 • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2009 ...