ltc2752lx Linear Technology Corporation, ltc2752lx Datasheet
ltc2752lx
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ltc2752lx Summary of contents
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... DAC outputs to 0V regardless of output range. L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and SoftSpan is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents, including 5481178. REFERENCE ...
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... LTC2752ACLX#PBF LTC2752LX LTC2752AILX#PBF LTC2752LX Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: This product is only offered in trays ...
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T SYMBOL PARAMETER Static Performance Resolution Monotonicity DNL Differential Nonlinearity INL Integral Nonlinearity GE Gain Error Gain Error Temperature Coefficient BZE Bipolar Zero Error Bipolar ...
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LTC2752 elecTrical characTerisTics specifications which apply over the full operating temperature range, otherwise specifications are at T SYMBOL PARAMETER Power Supply V Supply Voltage Supply Current DD DD Digital Inputs V Digital Input High Voltage IH V ...
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TiMing characTerisTics otherwise specifications are 25°C. A SYMBOL PARAMETER t CS/LD High to SCK Positive Edge 8 t SRO Propagation Delay 9 t CLR Pulse Width Low 10 t LDAC Pulse Width Low 11 t CLR Low ...
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LTC2752 Typical perForMance characTerisTics 25°C, unless otherwise noted. DD RINX A Integral Nonlinearity (INL) 1.0 ±10V RANGE 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 0 16384 32768 49152 65535 ...
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Typical perForMance characTerisTics 25°C, unless otherwise noted. DD RINX A INL vs Reference Voltage 1.0 ±5V RANGE 0.8 0.6 0.4 +INL 0.2 0.0 –0.2 –INL –0.4 –0.6 –0.8 –1.0 –10 –8 –6 ...
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LTC2752 Typical perForMance characTerisTics 25°C, unless otherwise noted. DD RINX A Supply Current vs Logic Input Voltage 5 CLR, LDAC, SDI, SCK, CS/LD TIED TOGETHER ...
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FuncTions REFA (Pins 1, 2): Feedback Resistor for the DAC A Refer- ence Inverting Amplifier, and Reference Input for DAC A. The 20k feedback resistor is connected internally from REFA For normal operation tie this pin ...
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LTC2752 pin FuncTions S2 (Pin 25): Span Bit 2 Input. In Manual Span mode (M- SPAN tied pins S0, S1 and S2 are pin-strapped DD to select a single fixed output range for all DACs. These pins ...
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DiagraM (5, 6) 2.56M INA 4 20k GE ADJA 3 R COMA 20k REFA ( (47, 48) OFSA R (45, 46) FBA DAC 16-BIT WITH OUT1A 8 SPAN SELECT I ...
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LTC2752 TiMing DiagraM SCK SDI CS/LD LDAC Hi-Z SRO LSB t 11 LSB 2752 TD 2752f ...
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Output Ranges The LTC2752 is a dual, current-output, serial-input precision multiplying DAC with selectable output ranges. Ranges can either be programmed in software for maximum flex- ibility—each of the DACs can be programmed to any one of six output ...
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LTC2752 operaTion writing code or span 32-bit input sequence is used, the first eight bits must be zeros, followed by the same sequence as for a 24-bit wide input. Figure 3 shows the input and readback sequences for ...
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LTC2752 2752f ...
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LTC2752 operaTion 2752f ...
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WRITE CODE WRITE CODE SDI DAC A DAC B READ ... SRO CODE INPUT REGISTER DAC A Table 1. Command Codes CODE COMMAND Write Span DAC ...
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LTC2752 operaTion Examples 1. Using a 24-bit instruction, load DAC A with the unipolar range 10V, output at zero volts and DAC B with the bipolar range of ±10V, outputs at zero volts. Note all DAC outputs ...
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The offset adjust pin V can be used to null unipolar OSADJX offset or bipolar zero error. The offset change expressed in LSB is the same for any output range: – VOSADJX ∆V = LSB • ...
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LTC2752 applicaTions inForMaTion Op Amp Selection Because of the extremely high accuracy of the 16-bit LTC2752, 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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Op amp offset will contribute mostly to output offset and gain error, and has minimal effect on INL and DNL. For example, for the LTC2752 with a 5V reference in 5V unipolar mode, a 250µV op amp offset ...
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LTC2752 applicaTions inForMaTion 10V full-scale systems. However, as the circuit bandwidths increase, filtering the output of the reference may be required to minimize output noise. Grounding As with any high resolution converter, clean grounding is important. A ...
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... SHALL NOT EXCEED 0.25mm ON ANY SIDE, IF PRESENT 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. ...
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... LT1012A 4 –15V 0.1Hz to 10Hz Noise P-P 0.1Hz to 10Hz Noise P-P Noise, 380µA Supply P-P Noise, High Output Drive P-P Noise P-P LT 0510 • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 2010 6 V DACA OUT LT1468 6 V DACB OUT LT1468 2752 TA02 2752f ...