ICL7106CPL

ICL7106/7107 LE AVAILAB ICL7106/ICL7107 31⁄2 Digit A/D Converters General Description The Maxim ICL7106/ICL7107 are monolithic analog-todigital converters (ADCs). They have very high input impedances and require no external display drive circuitry. On-board active components include polarity and digit drivers, segment decoders, voltage reference and a clock circuit. The ICL7106 will directly drive a nonmultiplexed liquid crystal display (LCD), whereas the ICL7107 will directly drive a common anode light emitting diode (LED) display. Versatility and accuracy are inherent features of these converters. The dual-slope conversion technique automatically rejects interference signals common in industrial environments. The true differential input and reference are particularly useful when making ratiometric measurements (ohms or bridge transducers). Maxim has added a zero-integrator phase to the ICL7106 and ICL7107, eliminating overrange hangover and hysteresis effects. Finally, these devices offer high accuracy by lowering rollover error to less than one count and zero reading drift to less than 1FV/NC. These devices are used in a wide range of digital panel meter applications. Most applications, however, involve the measurement and display of analog data. Pressure Applications Functional Speed Diagrams Temperature Voltage Conductance Resistance Current Features S Improved 2nd Source (see Page 3 for “Maxim Advantage”) S Guaranteed First Reading Recovery from Overrange S On-Board Display Drive Capability—No External Circuitry Required LCD—ICL7106 LED—ICL7107 S High-Impedance CMOS Differential Inputs S Low Noise (< 15µVP-P) without Hysteresis or Overrange Hangover S Clock and Reference On-Chip S True Differential Reference and Input S True Polarity Indication for Precision Null Applications S Monolithic CMOS Design Order Information PART TEMP RANGE PIN-PACKAGE ICL7106CPL+ 0°C to +70°C 40 PDIP ICL7106CQH+ 0°C to +70°C 44 PLCC ICL7107CPL+ 0°C to +70°C 40 PDIP ICL7107CQH+ 0°C to +70°C 44 PLCC +Denotes a lead(Pb)-free/RoHS-compliant package. Material Thickness Pin Configurations Typical Operating Circuit + LCD DISPLAY ANALOG INPUT ICL7106 9V VREF FULL-SCALE INPUT VREF TO ANALOG PDIP Pin 2.000V Configurations1.000V appear at end of data sheet. COMMON (P32) 100.0mV 200.0mV Functional Diagrams continued at end of data sheet. Pin Configurations continued at end of data sheet UCSP is a trademark of Maxim Integrated Products, Inc. The "Maxim Advantage" signifies an upgraded quality level. At no additional cost we offer a second-source device that is subject to the following: guaranteed performance over temperature along with tighter test specifications on many key parameters; and device enhancement, when needed, that result in improved performance without changing the functionality. For pricing, delivery, and ordering information, please contact Maxim Direct For pricing, delivery, and ordering please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s information, website at www.maximLQWHJUDWHG.com. at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com. 19-0948; Rev 1; 1/12 ICL7106/ICL7107 31⁄2 Digit A/D Converters ABSOLUTE MAXIMUM RATINGS Supply Voltage ICL7106, V+ to V-...............................................................15V ICL7107, V+ to GND......................................................... +6V ICL7107, V- to GND............................................................-9V Analog Input Voltage (either input) (Note 1).................. V+ to VReference Input Voltage (either input)............................V+ to VClock Input ICL7106..................................................................TEST to V+ ICL7107.................................................................. GND to V+ Continuous Power Dissipation (TA = +70NC)(Note 2) PDIP (derate 16.7mW/NC above +70NC).................1333.3mW PLCC (derate 13.3mW/NC above +70NC)...............1066.7mW Operating Temperature Range.............................. 0NC to +70NC Storage Temperature Range............................. -55NC to +160NC Lead Temperature (soldering, 10s).................................+300NC Soldering Temperature (reflow) PDIP..............................................................................+260NC PLCC............................................................................+245NC Note 1: Input voltages may exceed the supply voltages, provided the input current is limited to ±100µA. Note 2: Dissipation rating assumes device is mounted with all leads soldered to the PCB. 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 (Note 3) PARAMETER CONDITIONS Zero Input Reading VIN = 0V, full scale = 200.0mV Ratiometric Reading VIN = VREF, VREF = 100mV MIN TYP MAX UNITS -000.0 000.0 +000.0 Digital Reading 999 999/1000 1000 Digital Reading Rollover Error (Difference in Reading for Equal Positive and Negative Reading Near -VIN = +VIN = 200.0mV Full Scale) -1 Q2 +1 Counts Linearity (Maximum Deviation from Best Straight Line Fit) Full scale = 200mV or full scale = 2.000V -1 Q2 +1 Counts Common-Mode Rejection Ratio (Note 4) VCM = Q1V, VIN = 0V, full scale = 200.0mV 50 FV/V Noise (Pk-Pk Value Not Exceeded 95% of Time) VIN = 0V, full scale = 200mV 15 FV Input Leakage Current VIN = 0V 1 10 pA 0.2 1 FV/NC 1 5 ppm/NC V+ Supply Current (Does Not Include LED VIN = 0V Current for ICL7107) 0.8 1.8 mA V- Supply Current (ICL7107 Only) 0.6 1.8 mA 2.8 3.2 V Zero Reading Drift VIN = 0V, 0NC < TA < +70NC Scale Factor Temperature Coefficient VIN = 199.0mV, 0NC < TA < +70NC (external reference 0ppm/NC) Analog Common Voltage (With Respect to Positive Supply) 25kI between common and positive supply Temperature Coefficient of Analog 25kI between common and positive supply Common (With Respect to Positive Supply) 2.4 80 ppm/NC The electrical characteristics above are a reproduction of a portion of Intersil's copyrighted (1983/1984) data book. This information does not constitute any representation by Maxim that Intersil's products will perform in accordance with these specifications. The "Electrical Characteristics table" along with the descriptive excerpts from the original manufacturer's data sheet have been included in this data sheet solely for comparative purposes. 2   Maxim Integrated ICL7106/ICL7107 31⁄2 Digit A/D Converters ELECTRICAL CHARACTERISTICS (continued) (Note 3) PARAMETER ICL7106 Only Pk-Pk Segment Drive Voltage, Pk-Pk Backplane Drive Voltage (Note 5) ICL7107 Only Segment Sinking Current CONDITIONS MIN TYP MAX UNITS V+ to V- = 9V 4 5 6 V (Except pin 19) V+ = 5.0V, segment voltage = 3V 5 8.0 Pin 19 only 10 16 mA Note 3: Unless otherwise noted, specifications apply to both the ICL7106 and ICL7107 at TA = +25NC, fCLOCK = 48kHz. ICL7106 is tested in the circuit of Figure 1. ICL7107 is tested in the circuit of Figure 2. Note 4: See the Differential Input section. Note 5: Backplane drive is in phase with segment drive for “off” segment, 180N out of phase for “on” segment. Frequency is 20 times the conversion rate. Average DC component is less than 50mV. Maxim Integrated   3 ICL7106/7107 ICL7106/ICL7107 31⁄2 Digit A/D Converters +2kV 4   Maxim Integrated Maxim Integrated 3 ICL7106/ICL7107 ICL7106/7107 4 Maxim Integrated 31⁄2 Digit A/D Converters Maxim Integrated   5 ICL7106/ICL7107 ICL7106/7107 31⁄2 Digit A/D Converters 6   Maxim Integrated Maxim Integrated 5 ICL7106/7107 ICL7106/ICL7107 31⁄2 Digit A/D Converters 6 Maxim Integrated Maxim Integrated   7 ICL7106/ICL7107 ICL7106/7107 31⁄2 Digit A/D Converters Maxim Integrated 8   7 Maxim Integrated ICL7106/7107 ICL7106/ICL7107 31⁄2 Digit A/D Converters Maxim Integrated 8   9 Maxim Integrated ICL7106/ICL7107 ICL7106/7107 31⁄2 Digit A/D Converters 10   Maxim Integrated Maxim Integrated 9 ICL7106/7107 ICL7106/ICL7107 31⁄2 Digit A/D Converters Maxim Integrated 10   11 Maxim Integrated ICL7106/ICL7107 ICL7106/7107 31⁄2 Digit A/D Converters Typical Applications 12   Maxim Integrated Maxim Integrated 11 ICL7106/ICL7107 31⁄2 Digit A/D Converters Pin Configurations (continued) Chip Information PROCESS: BiCMOS Package Information For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. PLCC PACKAGE TYPE PACKAGE CODE DOCUMENT LAND PATTERN NO. No. 40 PDIP P40+1 21-0044 — 44 PLCC Q44+1 21-0049 90-0236 Maxim Integrated Maxim Integrated   13 ICL7106/ICL7107 31⁄2 Digit A/D Converters Revision History REVISION NUMBER REVISION DATE 0 10/84 Initial release 1 1/12 Removed CERDIP options. DESCRIPTION PAGES CHANGED — 1, 2, 4, 12 Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance. 14 ©  2012 Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000 Maxim Integrated Products, Inc. Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.