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MAX5465 Dataheets PDF



Part Number MAX5465
Manufacturers Maxim
Logo Maxim
Description 32-Tap FleaPoT / 2-Wire Digital Potentiometers
Datasheet MAX5465 DatasheetMAX5465 Datasheet (PDF)

MAX5460–MAX5468 19-1956; Rev 3; 11/05 32-Tap FleaPoT™, 2-Wire Digital Potentiometers General Description The MAX5460–MAX5468 linear-taper digital potentiometers perform the same function as a mechanical potentiometer or a variable resistor. These devices consist of a fixed resistor and a wiper contact with 32-tap points that are digitally controlled through a 2-wire serial interface. The MAX5462/MAX5465/MAX5468 are configured as potentiometers. The rest of the devices in this family are confi.

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MAX5460–MAX5468 19-1956; Rev 3; 11/05 32-Tap FleaPoT™, 2-Wire Digital Potentiometers General Description The MAX5460–MAX5468 linear-taper digital potentiometers perform the same function as a mechanical potentiometer or a variable resistor. These devices consist of a fixed resistor and a wiper contact with 32-tap points that are digitally controlled through a 2-wire serial interface. The MAX5462/MAX5465/MAX5468 are configured as potentiometers. The rest of the devices in this family are configured as variable resistors. See Pin Configurations for part functionality. Three resistance values are available: 10kΩ (MAX5466/ MAX5467/MAX5468), 50kΩ (MAX5463/MAX5464/ MAX5465), and 100kΩ (MAX5460/MAX5461/MAX5462). The MAX5460–MAX5465 (100kΩ and 50kΩ) are available in space-saving 5-pin and 6-pin SC70 packages. The MAX5466/MAX5467/MAX5468 (10kΩ) are available in 5-pin and 6-pin SOT23 packages. Applications LCD Screen Adjustment Volume Control Mechanical Potentiometer Replacement Gain Adjustment Line Impedance Matching FleaPoT is a trademark of Maxim Integrated Products Inc. Functional Diagram appears at end of data sheet. Features ♦ Miniature SC70 and SOT23 Packages ♦ 0.3µA Ultra-Low Supply Current ♦ +2.7V to +5.5V Single-Supply Operation ♦ Glitchless Switching Between Resistor Taps ♦ Power-On Reset to Midscale ♦ 2-Wire Up/Down Serial Interface ♦ 10kΩ, 50kΩ, and 100kΩ Resistance Values Ordering Information PART PIN- TOP PACKAGE MARK R (kΩ) PKG CODE MAX5460EXK 5 SC70 ACA 100 X5-1 MAX5461EXT 6 SC70 AAP 100 X6S-1 MAX5462EXT 6 SC70 AAQ 100 X6S-1 MAX5463EXK 5 SC70 ACB 50 X5-1 MAX5464EXT 6 SC70 AAR 50 X6S-1 MAX5465EXT 6 SC70 AAS 50 X6S-1 MAX5466EUK 5 SOT23 ADQQ 10 U5-1 MAX5467EUT 6 SOT23 AARH 10 U6-1 MAX5468EUT 6 SOT23 AARI 10 U6-1 Note: All devices operate over the -40°C to +85°C temperature range. Pin Configurations TOP VIEW VDD 1 5H GND 2 U/D 3 MAX5460 MAX5463 MAX5466 4 CS SOT23, SC70 VDD 1 6H GND 2 5L U/D 3 MAX5461 MAX5464 MAX5467 4 CS SOT23, SC70 VDD 1 6H GND 2 5W U/D 3 MAX5462 MAX5465 MAX5468 4 CS SOT23, SC70 ________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. MAX5460–MAX5468 32-Tap FleaPoT™, 2-Wire Digital Potentiometers ABSOLUTE MAXIMUM RATINGS VDD to GND ..............................................................-0.3V to +6V All Other Pins to GND.................................-0.3V to (VDD + 0.3)V Input and Output Latch-Up Immunity.............................±200mA Maximum Continuous Current into H, L, and W MAX5460/MAX5461/MAX5462 (100kΩ) .......................±0.6mA MAX5463/MAX5464/MAX5465 (50kΩ) .........................±1.3mA MAX5466/MAX5467/MAX5468 (10kΩ) .........................±1.3mA Continuous Power Dissipation (TA = +70°C) 5-pin SC70 (derate 3.1mW/°C above TA = +70°C)..........247mW 5-pin SOT23 (derate 7.1mW/°C above TA = +70°C)........571mW 6-pin SC70 (derate 3.1mW/°C above TA = +70°C) ..........245mW 6-pin SOT23 (derate 8.7mW/°C above TA = +70°C).....695.7mW Operating Temperature Range ...........................-40°C to +85°C Junction Temperature ......................................................+150°C Storage Temperature Range .............................-65°C to +150°C Soldering Temperature (soldering, 10s) ..........................+300°C Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (VDD = +2.7V to +5.5V, VH = VDD, VL = 0, TA = -40°C to +85°C. Typical values are at VDD = +2.7V, TA = +25°C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DC PERFORMANCE Resolution 32 Taps End-to-End Resistance MAX5460/MAX5461/MAX5462 MAX5463/MAX5464/MAX5465 75 100 125 37.5 50 62.5 kΩ MAX5466/MAX5467/MAX5468 7.5 10 12.5 End-to-End Resistance Tempco Ratiometric Resistance Tempco Integral Nonlinearity Differential Nonlinearity TCR INL DNL 35 ppm/°C 5 ppm/°C ±0.5 ±1 LSB ±1 LSB Full-Scale Error Zero-Scale Error ±0.1 LSB 1 LSB Wiper Resistance DIGITAL INPUTS MAX5462/MAX5465 RW MAX5468 600 1200 160 240 Ω Input High Voltage VIH Input Low Voltage VIL TIMING CHARACTERISTICS (Figures 1, 2) U/D Mode to CS Setup tCU CS to U/D Step Setup tCI CS to U/D Step Hold tIC U/D Step Low Period U/D Step High Period tIL tIH Up/Down Toggle Rate (Note 1) fTOGGLE Output Settling Time (Note 2) tSETTLE 0.7 x VDD 25 50 25 25 25 100kΩ variable resistor configuration, CL = 10pF 100kΩ potentiometer configuration, CL = 10pF 1 1 0.25 0.3 x VDD V V .


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