AD7937BR Analog Devices Inc, AD7937BR Datasheet
AD7937BR
Specifications of AD7937BR
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AD7937BR Summary of contents
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GENERAL DESCRIPTION The AD7937 contains two 12-bit current output DACs on one monolithic chip. A separate reference input is provided for each DAC. The dual DAC saves valuable board space, and the mono- lithic construction ensures excellent thermal tracking. ...
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AD7937–SPECIFICATIONS Parameter A Version ACCURACY Resolution 12 ± 1 Relative Accuracy ± 1 Differential Nonlinearity ± 6 Gain Error 2 Gain Temperature Coefficient ; ∆Gain/∆Temperature ± 5 Output Leakage Current I 5 OUTA OUTB 10 REFERENCE INPUT ...
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... Model Temperature Range AD7937AR –40°C to +85°C AD7937BR –40°C to +85°C CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD7937 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high-energy electrostatic discharges ...
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AD7937 PIN FUNCTION DESCRIPTIONS Pin Mnemonic Description 1 AGNDA Analog Ground for DAC Current output terminal of DAC A. OUTA 3 R Feedback resistor for DAC A. FBA 4 V Reference input to DAC A. REFA CS ...
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UNIPOLAR BINARY OPERATION (2-QUADRANT MULTIPLICATION) Figure 4 shows the circuit diagram for unipolar binary operation. With an ac input, the circuit performs 2-quadrant multiplication. The code table for Figure 4 is given in Table II. Operational amplifiers A1 and A2 ...
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AD7937 SEPARATE AGND PINS The DACs in the AD7937 have separate AGND lines taken to pins AGNDA and AGNDB on the package. This increases the applications versatility of the part. Figure example of this. DAC A is ...
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APPLICATION HINTS Output Offset: CMOS D/A converters in circuits such as Fig- ures 4 and 5 exhibit a code-dependent output resistance which in turn can cause a code-dependent error voltage at the output of the amplifier. The maximum amplitude of ...
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AD7937 PIN 1 0.0118 (0.30) 0.0040 (0.10) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 24-Lead Small Outline SOIC (R-24) 0.6141 (15.60) 0.5985 (15.20 0.2992 (7.60) 0.2914 (7.40) 0.4193 (10.65 0.3937 (10.00) 0.1043 (2.65) 0.0926 (2.35) ...