AD7302BR Analog Devices Inc, AD7302BR Datasheet
AD7302BR
Specifications of AD7302BR
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AD7302BR Summary of contents
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FEATURES Two 8-Bit DACs In One Package 20-Lead DIP/SOIC/TSSOP Package +2 +5.5 V Operation Internal and External Reference Capability DAC Power-Down Function Parallel Interface On-Chip Output Buffer Rail-to-Rail Operation Low Power Operation 3 mA max @ 3.3 ...
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AD7302–SPECIFICATIONS Parameter STATIC PERFORMANCE Resolution Relative Accuracy Differential Nonlinearity Full-Scale Error Zero Code Error @ Gain Error Zero Code Temperature Coefficient DAC REFERENCE INPUT REFIN Input Range REFIN Input Impedance OUTPUT CHARACTERISTICS Output Voltage Range Output Voltage ...
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TIMING CHARACTERISTICS Limit at T Parameter (B Version 4 NOTES 1 ...
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... Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. Model AD7302BN AD7302BR AD7302BRU *N = Plastic DIP Small Outline; RU =Thin Shrink Small Outline. TSSOP Package, Power Dissipation . . . . . . . . . . . . . 700 mW Thermal Impedance . . . . . . . . . . . . . . . . . . . . 143 C/W JA Lead Temperature, Soldering Vapor Phase (60 sec) ...
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Pin No. Mnemonic Function Parallel Data Inputs. Eight-bit data is loaded to the input register of the AD7302 under the control of CS 1-8 D7–D0 and WR Chip Select. Active low logic input. WR Write Input ...
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AD7302 TERMINOLOGY INTEGRAL NONLINEARITY For the DACs, relative accuracy or endpoint nonlinearity is a measure of the maximum deviation, in LSBs, from a straight line passing through the endpoints of the DAC transfer function. A graphical representation of the transfer ...
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AND 3V 720 DD INTERNAL REFERENCE 640 DAC LOADED WITH 00HEX 560 480 400 320 240 160 SINK CURRENT – mA Figure 2. Output Sink ...
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AD7302 CH1 M20.0ms 5.00V CH2 5.00V CH1 CH3 5.00V Figure 11. Power-On—RESET 0 0.4 INTERNAL REFERENCE 5k 100pf. LOAD 0.3 LIMITED CODE ...
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GENERAL DESCRIPTION D/A Section The AD7302 is a dual 8-bit voltage output digital-to-analog converter. The architecture consists of a reference amplifier, a current source DAC followed by a current-to-voltage converter capable of generating rail-to-rail voltages on the output of the ...
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AD7302 Automatic Update Mode In this mode of operation the LDAC signal is permanently tied low. The state of the LDAC is sampled on the rising edge of WR. LDAC being low allows the selected DAC register to be automatically ...
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V is the voltage applied to the external REFIN pin when REF the external reference is selected and is V internal reference is used. Table I. Output Voltage for Selected Input Codes Digital Input MSB . . . LSB Analog ...
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AD7302 MICROPROCESSOR INTERFACING AD7302–ADSP-2101/ADSP-2103 Interface Figure 29 shows an interface between the AD7302 and the ADSP-2101/ADSP-2103. The fast interface timing associated with the AD7302 allows easy interface to the ADSP-2101/ ADSP-2103. DMA14 ADDRESS BUS DMA0 A** ADDR DMS EN DECODE ...
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APPLICATIONS Bipolar Operation Using the AD7302 The AD7302 has been designed for single supply operation, but bipolar operation is achievable using the circuit shown in Figure 32. The circuit shown has been configured to achieve an output voltage range of ...
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AD7302 Programmable Current Source Figure 35 shows the AD7302 used as the control element of a programmable current source. In this circuit the full-scale current is set to 1 mA. The output voltage from the DAC is applied across the ...
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SEATING REV. 0 OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 20-Lead Plastic DIP (N-20) 1.060 (26.90) 0.925 (23.50 0.280 (7.11) 0.240 (6.10) 1 ...
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