AD7112CN Analog Devices Inc, AD7112CN Datasheet
AD7112CN
Specifications of AD7112CN
Related parts for AD7112CN
AD7112CN Summary of contents
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AD7112–SPECIFICATIONS Output amplifier AD712 except where noted. All specifications T C Version Parameter +25 C ACCURACY Resolution 0.375 Accuracy Relative Attenuation 0.375 dB Steps: Accuracy 0. Monotonic ...
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TIMING SPECIFICATIONS Parameter Setup Time Hold Time t DAC Select to WR Setup Time t DAC Select to WR Hold Time t Data Valid to WR Setup Time t Data Valid to ...
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... Glitch im- pulse is measured with V = AGND. IN ORDERING INFORMATION Specified Temperature Accuracy Model Range Range AD7112BN – + AD7112CN – + AD7112BR – + AD7112CR – + Plastic DIP SOIC. Lead Temperature (Soldering, 10 secs +300 C Power Dissipation, SOIC . . . . . . . . . . . . . . . . . . . . . . . . . 0 Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 75 C/W ...
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CIRCUIT DESCRIPTION GENERAL CIRCUIT INFORMATION The AD7112 consists of a dual 17-bit R-2R CMOS multiplying D/A converter with extensive digital logic. Figure 1 shows a sim- plified circuit of the D/A converter section of the AD7112. The logic translates the ...
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AD7112 INTERFACE LOGIC INFORMATION DAC Selection Both DAC latches share a common 8-bit port. The control in- put DAC A/DAC B selects which DAC can accept data from the input port. Mode Selection Inputs CS and WR control the operating ...
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Another error arises from the output amplifier’s input offset volt- age. The amplifier is operated with a fixed feedback resistance, but the equivalent source impedance (the AD7112 output im- pedance) varies as a function of the attenuation level. This has ...
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AD7112 – rms IN INPUT CODE = 0000 0000 ° +25 C – 15pF –80 –90 –100 FREQUENCY – Hz Figure 8. Distortion vs. Frequency –40 V ...
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V = +5V DD ° –0.2 –0.4 ...
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AD7112 MICROPROCESSOR INTERFACING Figures show interfaces between the AD7112 and three popular 8-bit microprocessor systems, the MC68008, 8085A/8088 and the 8051. In the MC68008 and 8085/8088 in- terfaces, the AD7112 is memory mapped with separate ad- dresses ...
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VARIABLE INPUT GAIN ELEMENT 1/2 AD7112 DETECTOR UP/DOWN COUNTER D U COMPARATOR END STOP AND CONTROL LOGIC Figure 21. Automatic Gain Control System Programmable State Variable Filter The AD7112 with its multiplying capability and fast settling time is ideal for ...
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AD7112 PIN 1 0.210 (5.33) MAX 0.160 (4.06) 0.115 (2.93) PIN 1 0.0118 (0.30) 0.0040 (0.10) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 20-Pin Plastic DIP (N-20 0.280 (7.11) 0.240 (6.10 0.325 (8.25) 1.060 (26.90) ...