AD5308_1 AD [Analog Devices], AD5308_1 Datasheet
AD5308_1
Related parts for AD5308_1
AD5308_1 Summary of contents
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FEATURES AD5308: 8 buffered 8-bit DACs in 16-lead TSSOP A version: ±1 LSB INL, B version: ±0.75 LSB INL AD5318: 8 buffered 10-bit DACs in 16-lead TSSOP A version: ±4 LSB INL, B version: ±3 LSB INL AD5328: 8 buffered ...
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AD5308/AD5318/AD5328 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Functional Block Diagram .............................................................. 3 Specifications..................................................................................... 4 Absolute Maximum Ratings............................................................ 7 ESD Caution.................................................................................. 7 Pin Configuration and Function Descriptions............................. 8 Typical Performance Characteristics ...
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FUNCTIONAL BLOCK DIAGRAM LDAC SCLK INTERFACE SYNC LOGIC DIN LDAC V ABCD V REF STRING INPUT DAC BUFFER BUFFER BUFFER DAC A REGISTER REGISTER STRING DAC STRING INPUT BUFFER BUFFER REGISTER DAC B REGISTER DAC INPUT STRING ...
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AD5308/AD5318/AD5328 SPECIFICATIONS kΩ to GND REF L Table 1. 2 Parameter Min DC PERFORMANCE AD5308 Resolution 8 Relative Accuracy Differential Nonlinearity ...
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Parameter Min Short Circuit Current Power-Up Time 6 LOGIC INPUTS Input Current V , Input Low Voltage Input High Voltage 1.7 IH Pin Capacitance POWER REQUIREMENTS V 2 (Normal Mode ...
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AD5308/AD5318/AD5328 Table 3. Timing Characteristics A, B Version Parameter Limit MIN MAX 4 ...
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ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise specified. A Table 4. Parameter Rating V to GND −0 Digital Input Voltage to GND −0 Reference Input Voltage to GND −0 ...
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AD5308/AD5318/AD5328 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 5. Pin Function Descriptions Pin No. Mnemonic Description 1 LDAC This active low control input transfers the contents of the input registers to their respective DAC registers. Pulsing this pin low allows any ...
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TYPICAL PERFORMANCE CHARACTERISTICS 1 25° 0.5 0 –0.5 –1 100 150 CODE Figure 4. AD5308 Typical INL Plot 25° –1 ...
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AD5308/AD5318/AD5328 0. ° MAX INL 0.25 0 MIN DNL –0.25 MIN INL –0. (V) REF Figure 10. AD5308 INL and DNL Error vs ...
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T = 25° 2V, GAIN = +1, REF 1.2 BUFFERED 1 REF DD 1.0 0.9 0 2V, GAIN = +1, UNBUFFERED REF GAIN = +1, UNBUFFERED 0.7 ...
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AD5308/AD5318/AD5328 300 MEAN: 0.693798 MEAN: 1.02055 0.6 0.7 0.8 0.9 I (mA) DD Figure 22. I Histogram with ...
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TERMINOLOGY Relative Accuracy For the DAC, relative accuracy or integral nonlinearity (INL measure of the maximum deviation, in LSB, from a straight line passing through the endpoints of the DAC transfer func- tion. Typical INL vs. code plots ...
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AD5308/AD5318/AD5328 OUTPUT VOLTAGE NEGATIVE OFFSET DAC CODE ERROR LOWER DEADBAND CODES AMPLIFIER FOOTROOM NEGATIVE OFFSET ERROR Figure 27. Transfer Function with Negative Offset (V GAIN ERROR PLUS OFFSET ERROR OUTPUT VOLTAGE POSITIVE OFFSET ACTUAL ERROR IDEAL = V ) REF ...
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THEORY OF OPERATION The AD5308/AD5318/AD5328 are octal resistor-string DACs fabricated on a CMOS process with resolutions of 8, 10, and 12 bits, respectively. Each contains eight output buffer ampli- fiers and is written to via a 3-wire serial interface. They ...
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AD5308/AD5318/AD5328 POWER-ON RESET The AD5308/AD5318/AD5328 are provided with a power-on reset function so that they power defined state. The power-on state is • Normal operation • Reference inputs unbuffered • output range REF ...
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Control Functions In the case of a control function, the MSB (Bit 15 This is followed by two control bits, which determine the mode. There are four different control modes: reference and gain mode, LDAC mode, power-down ...
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AD5308/AD5318/AD5328 Power-Down Mode The individual channels of the AD5308/AD5318/AD5328 can be powered down separately. The control mode for this is (10). On completion of this write sequence, the channels that have been set to 1 are powered down. Reset Mode ...
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MICROPROCESSOR INTERFACE ADSP-2101/ADSP-2103-to- AD5308/AD5318/AD5328 INTERFACE Figure 36 shows a serial interface between the AD5308/AD5318/ AD5328 and the ADSP-2101/ADSP-2103. The ADSP-2101/ ADSP-2103 should be set up to operate in the SPORT transmit alternate framing mode. The ADSP-2101/ADSP-2103 SPORT is programmed through ...
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AD5308/AD5318/AD5328 MICROWIRE-to-AD5308/AD5318/AD5328 INTERFACE Figure 39 shows an interface between the AD5308/AD5318/ AD5328 and any MICROWIRE-compatible device. Serial data is shifted out on the falling edge of the serial clock, SK, and is clocked into the AD5308/AD5318/AD5328 on the rising edge ...
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APPLICATIONS INFORMATION TYPICAL APPLICATION CIRCUIT The AD5308/AD5318/AD5328 can be used with a wide range of reference voltages where the devices offer full, one-quadrant multiplying capability over a reference range of 0. More typically, these devices are used ...
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AD5308/AD5318/AD5328 5V REGULATOR POWER V DD 10kΩ SCLK SCLK AD5308/AD5318 10kΩ SYNC SYNC V DD 10kΩ DIN DIN Figure 42. AD5308/AD5318/AD5328 in an Opto-Isolated Interface DECODING MULTIPLE AD5308/AD5318/AD5328s The SYNC pin on the AD5308/AD5318/AD5328 can be used in ...
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Table 10. Overview of AD53xx Serial Devices Part No. Resolution DNL SINGLES AD5300 8 ±0.25 AD5310 10 ±0.50 AD5320 12 ±1.00 AD5301 8 ±0.25 AD5311 10 ±0.50 AD5321 12 ±1.00 DUALS AD5302 8 ±0.25 AD5312 10 ±0.50 AD5322 12 ±1.00 ...
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AD5308/AD5318/AD5328 OUTLINE DIMENSIONS 0.15 0.05 ORDERING GUIDE Model Temperature Range AD5308ARU −40°C to +105°C AD5308ARU-REEL7 −40°C to +105°C 1 AD5308ARUZ −40°C to +105°C 1 −40°C to +105°C AD5308ARUZ-REEL7 AD5308BRU −40°C to +105°C AD5308BRU-REEL −40°C to +105°C AD5308BRU-REEL7 −40°C to +105°C ...