AD7305BR Analog Devices Inc, AD7305BR Datasheet
AD7305BR
Specifications of AD7305BR
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AD7305BR Summary of contents
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FEATURES Four 8-bit DACs in one package + and ±5 V operation Rail-to-rail REF input to voltage output swing 2.6 MHz reference multiplying bandwidth Internal power-on reset SPI serial interface-compatible—AD7304 Fast parallel interface—AD7305 40 µA power shutdown ...
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AD7304/AD7305 TABLE OF CONTENTS Specifications..................................................................................... 3 Timing Specifications .................................................................. 4 Absolute Maximum Ratings............................................................ 5 ESD Caution.................................................................................. 5 Pin Configurations and Function Descriptions ........................... 8 Typical Performance Characteristics ........................................... 10 Circuit Operation ........................................................................... 14 DAC Section................................................................................ 14 AD7304 Serial Data Interface ...
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SPECIFICATIONS @ and Table 1. Parameter Symbol STATIC PERFORMANCE 1 Resolution N 2 Integral Nonlinearity INL Differential Nonlinearity DNL Zero-Scale ...
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AD7304/AD7305 TIMING SPECIFICATIONS @ and Table 2. Parameter 1, 2 INTERFACE TIMING SPECIFICATIONS AD7304 Only Clock Width High Clock Width ...
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ABSOLUTE MAXIMUM RATINGS Table 3. Parameter V to GND GND GND REFX Logic Inputs to GND V to GND OUTX I Short-Circuit to GND OUT Package Power Dissipation Thermal Resistance θ JA 16-Lead SOIC ...
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AD7304/AD7305 SA SDI CLK CS LDAC t LD1 SDI CLK LDAC CLR FS V OUT ZS SDI/SHDN Table 4. AD7304 Control Logic Truth Table 1 CS CLK LDAC CLR 1 Serial Shift Register Function ...
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Table 6. AD7305 Control Logic Truth Table LDAC Input Register Function Register A loaded with DB0 to DB7 ↑ Register A latched with DB0 to DB7 L L ...
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AD7304/AD7305 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS Table 7. AD7304 Pin Function Descriptions Pin No. Mnemonic Description Channel B Rail-to-Rail Buffered DAC Voltage Output. Full-scale set by reference voltage applied to V OUT Output is open circuit when ...
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Table 8. AD7305 Pin Function Description Pin No. Mnemonic Description Channel B Rail-to-Rail Buffered DAC Voltage Output. Full-scale set by reference voltage applied to V OUT open circuit when SHDN is enabled Channel A ...
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AD7304/AD7305 CIRCUIT OPERATION The AD7304/AD7305 are 4-channel, 8-bit, voltage output DACs, differing primarily in digital logic interface and number of reference inputs. Both parts share the same internal DAC design and true rail-to-rail output buffers. The AD7304 contains four independent ...
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AD7304 SERIAL DATA INTERFACE The AD7304 uses a 3-wire ( CS , SDI, CLK) SPI-compatible serial data interface. New serial data is clocked into the serial input register in a 12-bit data-word format. MSB bits are loaded first. Table 5 ...
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... AD7305YR –40°C to +125°C AD7305YR-REEL –40°C to +125°C AD7305BRU –40°C to +85°C AD7305BRU-REEL7 –40°C to +85°C 1 AD7305BRUZ –40°C to +85°C 1 AD7305BRUZ-REEL7 –40°C to +85° Pb-free part. Package Description 16-Lead SOIC 16-Lead SOIC ...