ICL7653 MAXIM [Maxim Integrated Products], ICL7653 Datasheet
ICL7653
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ICL7653 Summary of contents
Page 1
... The ICL7650B/ICL7653B are exact replacements for Intersil’s ICL7650B/ICL7653B. These devices have a 10µV max offset voltage, a 0.1µV/°C max input offset voltage temperature coefficient, and a 20pA max bias current— ...
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... 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—ICL7650B/ICL7653B (Circuit of Figure +5V -5V, T PARAMETER ...
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... ELECTRICAL CHARACTERISTICS—ICL7650B/ICL7653B (continued) (Circuit of Figure +5V -5V, T PARAMETER SYMBOL Internal Chopping Frequency Clamp On Current (Note 4) Clamp Off Current (Note 4) Offset Voltage vs. Time · Note BIAS Note 3: OUTPUT and CLAMP pins not connected. Note 4: See Output Clamp section for details. ...
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... Chopper-Stabilized Op Amps ELECTRICAL CHARACTERISTICS—ICL7650/ICL7653 (continued) (Circuit of Figure +5V -5V PARAMETER SYMBOL Common-Mode Rejection Ratio CMRR Power-Supply Rejection Ratio PSRR Input Noise Voltage e np-p Input Noise Current I n Unity-Gain Bandwidth GBW Slew Rate SR Rise Time t r Overshoot Operating Supply Range ...
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Figure +5V -5V, T SUPPLY CURRENT vs. AMBIENT TEMPERATURE -50 - 100 125 AMBIENT TEMPERATURE (°C) INPUT OFFSET VOLTAGE CHANGE vs. SUPPLY VOLTAGE -3 -2 ...
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... These effects are substantially reduced in the ICL7650/ICL7653, which add to the nulling circuit a dynamic current that compensates for the AC signal on the inputs. Unlike modules, the ICL7650/ICL7653 can precisely compensate for the finite AC gain, since both the AC gain rolloff and the intermodulation compensation current are controlled by internal matched capacitors ...
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... Nulling Capacitor Connection Separate pins are provided for C the ICL7650. If you do not need the clamp feature, order the ICL7653; this device only offers the C and will produce slightly lower noise and improved AC common-mode rejection. If you need to use the clamp feature, order the ICL7650 and connect the external capacitors to V- ...
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... Chopper-Stabilized Op Amps Low-leakage, high-impedance CMOS inputs allow the ICL7650/ICL7653 to measure high-impedance sources. Stray leakage paths can decrease input resistance and increase input currents unless inputs are guarded. Boards must be thoroughly cleaned with TCE or alcohol and blown dry with compressed air. The board should be coated with epoxy or silicone after cleaning to pre- vent contamination ...
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... Supply voltage (±8V max) and output drive capability (10kΩ load for full swing) are the only limitations to consider when replacing other op amps with the ICL7650/ICL7653. Use a simple booster circuit to overcome these limitations (Figure 7). This enables the full output capabilities of the LM118 (or any other standard device combined with the input capabilities of the ICL7650/ICL7653 ...
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Chopper-Stabilized Op Amps 0.1µF 0.1µF C INPUT R C ICL7650 R2 CLAMP (R1 || R2) > 100kΩ FOR FULL CLAMP EFFECT R1 NOTE INDICATES THE PARALLEL COMBINATION R2. Figure 6. Noninverting ...
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... V+ ICL7650 +INPUT 3 6 OUTPUT CLAMP SO/DIP/CERDIP C EXTA EXTB ICL7653 -INPUT 6 OUTPUT RETN +INPUT Pin Configurations C EXTB EXTA 1 7 -INPUT 2 6 OUTPUT ICL7650 3 5 +INPUT CLAMP 4 V- TO-99 C EXTB OUTPUT ICL7653 5 C RETN 4 V- TO-99 11 ...
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Chopper-Stabilized Op Amps Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at ...