AD8402A10 Analog Devices, AD8402A10 Datasheet
AD8402A10
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AD8402A10 Summary of contents
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GENERAL DESCRIPTION The AD8400/AD8402/AD8403 provide a single, dual or quad channel, 256 position digitally controlled variable resistor (VR) device. These devices perform the same electronic adjustment function as a potentiometer or variable resistor. The AD8400 contains a single variable ...
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AD8400/AD8402/AD8403–SPECIFICATIONS ELECTRICAL CHARACTERISTICS–10 k VERSION Parameter DC CHARACTERISTICS RHEOSTAT MODE (Specifications Apply to All VRs) 2 Resistor Differential NL 2 Resistor Nonlinearity 3 Nominal Resistance Resistance Tempco Wiper Resistance Nominal Resistance Match DC CHARACTERISTICS POTENTIOMETER DIVIDER Specifications Apply to All ...
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SPECIFICATIONS ( ELECTRICAL CHARACTERISTICS–50 k and 100 k Parameter DC CHARACTERISTICS RHEOSTAT MODE (Specifications Apply to All VRs) 2 Resistor Differential NL 2 Resistor Nonlinearity 3 Nominal Resistance Resistance Tempco Wiper Resistance Nominal Resistance Match DC ...
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AD8400/AD8402/AD8403–SPECIFICATIONS ELECTRICAL CHARACTERISTICS–1 k VERSION Parameter DC CHARACTERISTICS RHEOSTAT MODE Specifications Apply to All VRs 2 Resistor Differential NL 2 Resistor Nonlinearity 3 Nominal Resistance Resistance Tempco Wiper Resistance Nominal Resistance Match DC CHARACTERISTICS POTENTIOMETER DIVIDER Specifications Apply to All ...
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SPECIFICATIONS ( ELECTRICAL CHARACTERISTICS–ALL VERSIONS Parameter 2, 3 SWITCHING CHARACTERISTICS Input Clock Pulsewidth Data Setup Time Data Hold Time 4 CLK to SDO Propagation Delay CS Setup Time CS High Pulsewidth Reset Pulsewidth CLK Fall to ...
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AD8400/AD8402/AD8403 ABSOLUTE MAXIMUM RATINGS (T = 25°C, unless otherwise noted GND . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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... AD8402A50 RU-14 96 8402A50 RU-14 2,500 8402A50 N-24 15 AD8403A50 SOL-24 31 AD8403A50 RU-24 63 8403A50 RU-24 2,500 8403A50 N-8 50 AD8400A100 SO-8 98 AD8400AC N-14 25 AD8402A100 SO-14 56 AD8402AC RU-14 96 8402A-C RU-14 2,500 8402A-C N-24 15 AD8403A100 SOL-24 31 AD8403A100 RU-24 63 8403A100 RU-24 2,500 8403A100 N-8 50 AD8400A1 SO-8 98 AD8400A1 ...
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AD8400/AD8402/AD8403 PIN CONFIGURATIONS AD8400 2 GND 7 TOP VIEW CS (Not to Scale SDI AGND AD8402 TOP VIEW (Not to Scale) 5 ...
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Typical Performance Characteristics–AD8400/AD8402/AD8403 10k 128 160 192 224 256 CODE – Decimal 1205 UNITS ...
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AD8400/AD8402/AD8403 700 600 T = –40 C/+ CONNECT A 500 R MEASURED WB 400 300 200 100 0 –100 128 160 192 224 256 CODE – Decimal ...
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SEE TEST CIRCUIT 7 CODE = 10k R = 50k R = 100k 10 100 1k 10k 100k 1M FREQUENCY – 700kHz, ...
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AD8400/AD8402/AD8403 TEST CIRCUITS DUT 1LSB = V+/256 CONNECT DUT DUT 1V/R W NOMINAL ...
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OPERATION The AD8400/AD8402/AD8403 provide a single, dual, and quad channel, 256-position digitally controlled variable resistor (VR) device. Changing the programmed VR settings is accomplished by clocking in a 10-bit serial data word into the SDI (Serial Data Input) pin. The ...
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AD8400/AD8402/AD8403 where Dx is the data contained in the 8-bit RDAC# latch, and R is the nominal end-to-end resistance. For example, when and B terminal is open circuit, the following output A resistance values will ...
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Table II. Input Logic Control Truth Table CLK CS RS SHDN Register Activity effect, enables SDO pin Shift one bit in from the SDI pin. The tenth previously entered bit ...
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AD8400/AD8402/AD8403 The ac characteristics of the RDACs are dominated by the internal parasitic capacitances and the external capacitive loads. The –3 dB bandwidth of the AD8403AN10 (10 kΩ resistor) measures 600 kHz at half scale as a potentiometer divider. TPC ...
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... The filter gain response at the band-pass output is shown in Figure 12 center frequency of 2 kHz, the gain is adjusted over a – +20 dB range determined by RDAC1. Circuit Q is adjusted by RDAC4. For more detailed reading on the state variable active filter, see Analog Devices’ application note, AN-318. 10k RDAC4 ...
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AD8400/AD8402/AD8403 0.210 (5.33) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 8-Lead Plastic DIP (N-8) 0.430 (10.92) 0.348 (8.84 0.280 (7.11) 0.240 (6.10 0.325 (8.25) PIN 1 0.100 (2.54) 0.300 (7.62) BSC 0.060 (1.52) 0.210 0.015 ...
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Narrow Body SOIC Package (SO-14) 0.3444 (8.75) 0.3367 (8.55 0.1574 (4.00) 0.2440 (6.20) 0.1497 (3.80) 0.2284 (5.80 PIN 1 0.0688 (1.75) 0.050 (1.27) 0.0532 (1.35) BSC 0.0098 (0.25) 0.0192 (0.49) SEATING 0.0099 (0.25) PLANE 0.0040 ...
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AD8400/AD8402/AD8403 PIN 1 0.0118 (0.30) 0.0040 (0.10) PIN 1 0.006 (0.15) 0.002 (0.05) SEATING PLANE Revision History Location Data Sheet changed from REV REV. C. Addition of new Figure ...