AD7628TQ AD [Analog Devices], AD7628TQ Datasheet
AD7628TQ
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AD7628TQ Summary of contents
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FEATURES On-Chip Latches for Both DACs + +15 V Operation DACs Matched to 1% Four Quadrant Multiplication TTL/CMOS Compatible from + +15 V Latch Free (Protection Schottkys not Required) APPLICATIONS Disk Drives Programmable Filters X-Y ...
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AD7628–SPECIFICATIONS Parameter STATIC PERFORMANCE Resolution 8 Relative Accuracy 1/2 Differential Nonlinearity 1 Gain Error 2 3 Gain Temperature Coefficient Gain/ Temperature Output Leakage Current OUT A (Pin 2) 50 OUT B (Pin 20) 50 Input Resistance (V ...
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... AD7628KP – +85 C 1/2 LSB AD7628KR – +85 C 1/2 LSB AD7628BQ – +85 C 1/2 LSB AD7628TQ – +125 C 1/2 LSB AD7628TE – +125 C 1/2 LSB NOTES 1 To order MIL-STD-883, Class B process parts, add /883B to part number. Contact your local sales office for military data sheet. ...
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AD7628 INTERFACE LOGIC INFORMATION DAC Selection Both DAC latches share a common 8-bit input port. The con- trol input DAC A/DAC B selects which DAC can accept data from the input port. Mode Selection Inputs CS and WR control the ...
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Figure 4. Dual DAC Unipolar Binary Operation (2 Quadrant Multiplication). See Table I. Figure 5. Dual DAC Bipolar Operation (4 Quadrant Multiplication). See Table II. Table I. Unipolar Binary Code Table DAC Latch Contents Analog Output MSB LSB (DAC A ...
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AD7628 APPLICATIONS INFORMATION Application Hints To ensure system performance consistent with AD7628 specifi- cations, careful attention must be given to the following points: 1. GENERAL GROUND MANAGEMENT transient voltages between the AD7628 AGND and DGND can cause noise ...
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MICROPROCESSOR INTERFACE Figure 11. AD7628 Dual DAC to 6800 CPU Interface PROGRAMMABLE WINDOW COMPARATOR Figure 13. Digitally Programmable Window Comparator (Upper and Lower Limit Detector) PROGRAMMABLE STATE VARIABLE FILTER Figure 14. Digitally Controlled State Variable Filter In this state, variable ...
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AD7628 DIGITALLY CONTROLLED DUAL TELEPHONE ATTENUATOR In this configuration, the AD7628 functions as a 2-channel digitally controlled attenuator; ideal for stereo audio and tele- phone signal level control applications. Table IV gives input codes vs. attenuation for ...