MAX5487 MAXIM [Maxim Integrated Products], MAX5487 Datasheet
MAX5487
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MAX5487 Summary of contents
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... These digital potentiometers feature a nonvolatile memory (EEPROM) to return the wipers to their previously stored positions upon power-up. The MAX5487 has an end-to-end resistance of 10kΩ, while the MAX5488 and MAX5489 have resistances of 50kΩ and 100kΩ, respectively. These devices have a low 35ppm/° ...
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... DNL (Note 2) Register A = register MAX5488 MAX5489 MAX5488 MAX5489 V = 5.0V DD MAX5488/MAX5489 5.0V DD MAX5488/MAX5489 MAX5487 R MAX5488 HL MAX5489 = +70° +5.0V, DD MIN TYP MAX UNITS 256 Taps ±1 LSB ±0.5 LSB 2 LSB 35 ppm/°C 5 ppm/°C -0.6 +1.2 LSB -0.3 +1.2 0.6 1.5 LSB ...
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Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital Potentiometers DC ELECTRICAL CHARACTERISTICS (continued +2.7V to +5.25V +25°C, unless otherwise noted.) (Note 1) A PARAMETER DIGITAL INPUTS Input High Voltage (Note ...
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Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital Potentiometers DC ELECTRICAL CHARACTERISTICS (continued +2.7V to +5.25V +25°C, unless otherwise noted.) (Note 1) A PARAMETER SYMBOL POWER SUPPLIES Power-Supply Voltage ...
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... MAX5487-89 toc05 2.0V/div WIPER 20mV/div 1.0µs/div WIPER RESISTANCE vs. TAP POSITION (MAX5488) 400 300 = 5V 200 100 128 4 5 TAP POSITION WIPER TRANSIENT AT POWER- 2.0V/div WIPER 2.0V/div 2.0µs/div 160 192 224 256 MAX5487-89 toc06 5 ...
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Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital Potentiometers (V = +5.0V +25°C, unless otherwise noted MIDSCALE FREQUENCY RESPONSE (MAX5488 10pF -5 W_ -10 - 50pF W_ -20 -25 -30 -35 -40 -45 ...
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Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital Potentiometers (V = +5.0V +25°C, unless otherwise noted VARIABLE-RESISTOR DNL vs. TAP POSITION (MAX5489) 0.20 0.15 0.10 0.05 0 -0.05 -0.10 -0.15 -0. 128 160 192 ...
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... Exposed Pad. Not internally connected. Connect to ground or leave floating. Detailed Description The MAX5487/MAX5488/MAX5489 contain two resistor arrays, with 255 resistive elements each. The MAX5487 has an end-to-end resistance of 10kΩ, while the MAX5488 and MAX5489 have resistances of 50kΩ and 100kΩ, respectively. The MAX5487/MAX5488/MAX5489 ...
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Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital Potentiometers Table 1. Register Map 1 CLOCK EDGE — Write Wiper Register A 0 Write Wiper Register B 0 Write NV Register A 0 Write NV Register B 0 Copy Wiper Register A to ...
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... LCD-bias voltage. The op amp provides buffer- ing and gain to the resistor-divider network made by the potentiometer (Figure fixed resistor and a Power-Up variable resistor (Figure 5). Figure 6 shows the MAX5487/MAX5488/MAX5489 in a 1st-order programmable-filter application. Adjust the gain of the filter with ...
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... Figure 7 shows the MAX5487/MAX5488/MAX5489 used as the feedback resistors in multiple adjustable volt- age-reference applications. Independently adjust the output voltages of the MAX6160s from 1.23V to V 0.2V by changing the wiper positions of the MAX5487/ MAX5488/MAX5489. Connect the high and low terminals of one potentiome- 30V ter of a MAX5487/MAX5488/MAX5489 to the NULL ...
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... OUT2 HB V OUT_ MAX6160 V OUT_ 1/2 MAX5487 WB ADJ 1/2 MAX5488 R 1/2 MAX5489 R WHERE R GND LB AND D = DECIMAL VALUE OF WIPER CODE 10kΩ = 1.23V x FOR THE MAX5487 R 50kΩ = 1.23V x FOR THE MAX5488 R 100kΩ = 1.23V x FOR THE MAX5489 256 END-TO-END RESISTANCE HL ...
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Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital Potentiometers (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages 0.10 C ______________________________________________________________________________________ D/2 E/2 ...
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Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital Potentiometers (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) NOTES: 1. DIMENSIONING & TOLERANCING CONFORM TO ASME Y14.5M-1994. 2. ...