ICL7652P - 5 uV Zero-Drift Op Amp | Texas Instruments
MPN: ICL7652P ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
ICL7652P Overview
An operational amplifier is an analog signal-processing component that uses negative feedback to control gain, filtering, buffering, or amplification of a voltage signal. The ICL7652 belongs to the precision op-amp hierarchy: operational amplifier, instrumentation amplifier element, analog IC, and semiconductor. Its chopper-stabilized architecture is intended to reduce offset-related error in dc and low-frequency measurements.
The verified manufacturer description identifies the ICL7652 as a high-precision, 5-uV-offset chopper-stabilized operational amplifier. The distributor listing specifies one amplifier circuit in an 8-PDIP package, while a separate component listing identifies 1.9 MHz as the associated frequency parameter. The supplied source material does not provide complete electrical tables for supply voltage, input bias current, output swing, noise, common-mode range, or temperature limits, so those specifications are not inferred here.
ICL7652P is suitable for precision sensor interfaces, low-level signal conditioning, bridge amplification, current measurement, laboratory instrumentation, and industrial measurement systems when the circuit requires low offset and low drift. The 8-pin PDIP package is mechanically straightforward for through-hole assembly and prototyping. Its precision behavior should be evaluated against the complete manufacturer datasheet before production release.
A key design consideration is to verify the required supply rails, input common-mode range, output swing, noise performance, and external compensation or filtering requirements on the authoritative ICL7652 datasheet. The verified distributor search result does not provide those values, so applications should be selected only after checking the electrical characteristics and pin configuration for the exact ICL7652P ordering code.
This page combines the verified Texas Instruments product description, distributor identification, package information, available commercial sources, and application-oriented design guidance without inventing missing specifications. It is intended to help engineers identify the correct precision chopper-stabilized amplifier candidate for instrumentation and low-level analog designs.
Drop-in alternatives for ICL7652P — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ICL7652PG4
✅ Drop-In📋 Reference alternative (not in catalog)
ICL7652PA
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ICL7652PB
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ICL7652P Maximum Ratings & Electrical Characteristics
| Product Type | Precision chopper-stabilized operational amplifier |
| Number of Circuits | 1 circuit |
| Input Offset Voltage | 5 uV |
| Frequency | 1.9 MHz |
| Package | 8-PDIP |
| Pin Count | 8 pins |
| Mounting Type | Through-hole |
| Process Technology | Advanced LinCMOS |
| Amplifier Category | Zero-drift amplifier |
ICL7652P 8-pdip Pin Configuration Guide
Pin configuration for ICL7652P (8-pdip package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for ICL7652P.
Refer to the datasheet for full pin configuration.
Typical Applications
ICL7652P is suitable for 6 applications: Precision Bridge Amplifier, Low-Level Current Measurement, Precision Temperature Measurement, Laboratory Voltage Buffer, Industrial Process Measurement, Low-Level Signal Conditioning.
Precision Bridge Amplifier
ICL7652P fits precision bridge measurement when the design is dominated by input offset and drift. Its verified 5 uV offset specification and chopper-stabilized zero-drift architecture can help preserve the integrity of a small differential sensor signal after bridge excitation. Place the amplifier close to the bridge connections and keep both input paths symmetrical to reduce parasitic mismatch. Before final selection, verify the exact input common-mode range, supply rails, bias current, and output swing against the bridge excitation voltage. The available source data does not specify those limits, so the bridge topology and resistor values must be validated against the complete manufacturer datasheet.
Recommended
Low-Level Current Measurement
ICL7652P is suitable for low-level current-to-voltage measurement where the measured signal is small and offset error can be significant. The 5 uV offset figure provides a concrete reason to evaluate the device in precision current monitoring, shunt-amplifier, and sensor-conditioning circuits. Use a low-noise reference and carefully controlled return paths so that ground offsets do not obscure the input signal. The supplied material does not verify bias current, noise density, or input common-mode range, so the shunt resistance and amplifier configuration must be checked against the full electrical table before production use.
Recommended
Precision Temperature Measurement
ICL7652P can be evaluated for resistance-based temperature sensing when the system needs low input-referred offset and low drift. Its chopper-stabilized architecture is relevant to RTD, thermistor, and other resistive-sensor front ends that convert small resistance changes into measurable voltages. Keep the sensor leads short and protect the input nodes from electrical interference because long traces can introduce errors that the amplifier cannot remove. Confirm the amplifier's supply voltage, input range, bias current, and output capability in the authoritative ICL7652 documentation before selecting excitation and feedback values.
Recommended
Laboratory Voltage Buffer
ICL7652P is a candidate for laboratory voltage buffering and precision measurement front ends because the verified 5 uV offset specification reduces input-referred error in dc measurements. The 8-PDIP package is convenient for through-hole prototypes and educational or laboratory boards. Use short feedback traces and a clean reference node, and ensure the source impedance does not interact undesirably with the amplifier input capacitance. Because the supplied sources do not confirm input bias current, noise, bandwidth, or common-mode limits, the buffer application requires datasheet verification before implementation.
Recommended
Industrial Process Measurement
ICL7652P can support industrial process-measurement circuits that amplify low-level sensor outputs with dc accuracy as the main concern. Its chopper-stabilized, zero-drift classification makes it relevant to pressure, level, and force-sensor interfaces where drift over time or temperature can degrade readings. Isolate high-current switching paths from the amplifier, use adequate supply bypassing, and define the required input and output operating ranges during design review. The verified sources identify the amplifier and package but do not provide the complete industrial temperature range, noise, or supply ratings, so qualification requires the complete Texas Instruments datasheet.
Recommended
Low-Level Signal Conditioning
ICL7652P is appropriate for general precision signal conditioning when offset and drift dominate the measurement path. It can amplify or buffer signals from high-impedance sensors, although input bias current and capacitance data must be checked before use with those sources. The 5 uV offset specification gives engineers a concrete error target for evaluating signal-chain budgets, while the 1.9 MHz frequency parameter indicates that the device should not automatically be treated as a wideband amplifier. Use the exact ICL7652P frequency-response and settling data from the manufacturer documentation for bandwidth-sensitive designs.
Recommended
Engineering reference data for ICL7652P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ICL7652PG4 | ICL7652PA | ICL7652PB |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 8-PDIP | 8-pin PDIP | 8-pin PDIP | 8-pin PDIP |
Key Differentiators
- Verified low-offset precision positioning (vs ICL7652PG4)
- Through-hole 8-PDIP implementation (vs ICL7652PA)
- Zero-drift amplifier classification (vs ICL7652PB)
Design Notes
Verify the ICL7652P supply-voltage limits, supply-current behavior, and required bypass network from the complete manufacturer datasheet before applying power. The supplied verified sources identify the amplifier and 8-PDIP package but do not provide supply voltage or current values, so do not assume a rail voltage or regulator type. Keep the supply return path short and provide local decoupling according to the datasheet recommendation.
Route the non-inverting and inverting inputs as short, quiet traces, especially when the source impedance is high. Keep the feedback network close to the amplifier and away from digital switching traces. Because the verified material does not include input capacitance, bias current, or layout guidance, compare the final PCB against the authoritative ICL7652 datasheet and validate sensor-source stability.
Do not substitute a related ICL7652 ordering code solely because it is labeled a precision or chopper-stabilized amplifier. Confirm pin numbering, supply range, offset, bias current, drift, noise, output swing, and temperature limits for the exact replacement. The supplied cross-reference results do not provide a complete verified equivalence table, so production substitutions require a manufacturer-level review.
Compliance Information
The supplied verified sources do not provide manufacturer compliance declarations for RoHS, REACH, lead-free status, halogen-free status, or conflict minerals. AEC-Q100 is not applicable because the product is not identified as an automotive-qualified device.
