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Analog Devices Inc. AMP03GPZ
- Part No.:
- AMP03GPZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
AMP03GPZ.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:1,070
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Product details
Overview
AMP03GPZ from Analog Devices is a monolithic unity-gain differential amplifier optimized for precision instrumentation and signal conditioning. It delivers 100 dB typical common-mode rejection, 3 MHz small-signal bandwidth, 9.5 V/µs slew rate, and 0.001% typical nonlinearity-enabling accurate voltage difference amplification in noisy industrial sensor interfaces and 4–20 mA current transmitter front-ends.
For engineers reviewing the AMP03GPZ datasheet, AMP03GPZ pinout, AMP03GPZ application, or AMP03GPZ equivalent, this page provides verified technical context, validated pin functions, real-world use cases in balanced line reception and absolute value amplification, and confirmed alternative options for differential amplifier replacement.
Technical Context
The AMP03GPZ implements a fully integrated thin-film resistor network (25 kΩ × 4) laser-trimmed to better than 0.002% matching, enabling stable gain accuracy without external components. Its differential topology inherently rejects common-mode voltages while preserving signal integrity across ±20 V input range.
Thermally symmetric layout ensures CMRR remains ≥80 dB up to 100 kHz, and internal compensation supports stable operation with up to 300 pF capacitive load-critical for driving ADC inputs or long cables in data acquisition systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CMRR | 100 dB typical - enables >100× rejection of ground-loop noise in sensor bridges and transducer interfaces |
| Small-Signal Bandwidth | 3 MHz - supports fast transient response in precision summing and active filtering up to audio frequencies |
| Slew Rate | 9.5 V/µs - ensures <1 µs settling to 0.01% for ±10 V step inputs in high-speed current-voltage conversion |
| Input Voltage Range | ±20 V - accommodates full-scale industrial sensor outputs without attenuation or clipping |
| Offset Voltage | +25 µV typical (G grade) - contributes <0.00025% error at 10 V output, critical for 16-bit+ system accuracy |
| Supply Current | 2.5–3.5 mA - enables low-power operation in battery-backed instrumentation without sacrificing speed |
| Output Swing | ±13.7 V into 2 kΩ - drives standard op-amp input stages or reference buffers directly from ±15 V rails |
Pinout & Package
AMP03GPZ is supplied in an 8-lead plastic dual in-line package (PDIP), compliant with JEDEC MO-095AA. Package dimensions: 0.355" × 0.275" × 0.150" (9.02 mm × 7.00 mm × 3.81 mm).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | REFERENCE | Internal reference node; tied to ground or bias point to set output common-mode level |
| 2 | –IN | Inverting input terminal; accepts differential signal leg with matched source impedance for CMR preservation |
| 3 | +IN | Non-inverting input terminal; paired with Pin 2 to define differential input path |
| 4 | –VEE | Negative supply rail connection; must be decoupled with 0.1 µF capacitor near pin |
| 5 | SENSE | Feedback sense node; connects to output via external resistor network in non-unity configurations |
| 6 | OUTPUT | Differential output terminal; drives loads up to 300 pF with stable phase margin |
| 7 | +VCC | Positive supply rail connection; requires local 0.1 µF decoupling for high-frequency PSRR maintenance |
| 8 | NC | No connect; electrically isolated; must remain unconnected per datasheet specification |
Key Features
| Feature | Design Value |
|---|---|
| Laser-trimmed thin-film resistor network | 25 kΩ × 4 array matched to 0.002%, eliminating need for external precision resistors in difference amplifier designs |
| High-speed differential architecture | 3 MHz bandwidth and 9.5 V/µs slew rate enable accurate reproduction of fast-rising sensor pulses and PWM-modulated signals |
| Thermally symmetric die layout | Maintains ≥80 dB CMRR over –40°C to +85°C operating range, critical for field-deployed instrumentation stability |
| Low distortion performance | 0.001% typical THD+N supports high-fidelity signal conditioning in audio-grade and metrology applications |
| Robust capacitive load drive | Stable with up to 300 pF output capacitance-simplifies interface to ADC sample-and-hold inputs or long PCB traces |
Applications
| Instrumentation Amplifier Front-End | Balanced Line Receiver |
|---|---|
Use Scenario: High-accuracy measurement of low-level bridge sensor outputs in industrial pressure transmitters. IC Role / Device Role / Timing Role: Differential amplifier providing initial gain and common-mode rejection before programmable gain stage. Use Value: 100 dB CMRR suppresses ground-return noise from 4–20 mA loop power supplies, improving effective resolution by >10 bits. |
Use Scenario: Receiving RS-422/485-like differential signals in factory automation I/O modules. IC Role / Device Role / Timing Role: Unity-gain receiver converting twisted-pair differential voltage to single-ended ground-referenced output. Use Value: ±20 V input range tolerates cable-induced offset drift; 3 MHz bandwidth preserves edge integrity of 1 Mbps digital control signals. |
| 4–20 mA Current Transmitter | Absolute Value Amplifier |
Use Scenario: Converting process sensor voltage to standardized 4–20 mA loop current with high linearity. IC Role / Device Role / Timing Role: Precision difference amplifier generating error-corrected voltage for current-regulating transistor. Use Value: 0.001% nonlinearity ensures <±0.2 µA error across full loop range-meeting Class A industrial calibration requirements. |
Use Scenario: Full-wave rectification of AC sensor signals (e.g., vibration accelerometers) without diode drop errors. IC Role / Device Role / Timing Role: Configured as precision absolute value circuit using internal matched resistors and external op-amps. Use Value: Laser-trimmed resistor matching eliminates gain mismatch between positive/negative half-cycles, reducing harmonic distortion to 0.001%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar differential amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| INA105KP | Lower bandwidth (1.2 MHz), slower slew rate (3 V/µs), higher offset drift (±1 µV/°C vs. AMP03GPZ's ±0.1 µV/°C) | Acceptable for DC/low-frequency instrumentation but unsuitable for >100 kHz signal paths or fast-settling applications | Select INA105KP only when cost sensitivity outweighs speed and thermal stability requirements |
| AD629ARZ | Higher common-mode input range (±270 V), lower CMRR (86 dB typ), no internal resistor network-requires external 25 kΩ matched pair | Designed for high-voltage motor phase sensing; lacks integrated precision resistors needed for plug-in AMP03GPZ replacement | Choose AD629ARZ only for >±200 V common-mode applications where external resistor matching is acceptable |
Compared with AMP03GPZ, INA105KP trades bandwidth and thermal stability for lower cost in static measurements, while AD629ARZ extends common-mode range at the expense of integrated precision and CMRR-neither offers pin-compatible replacement, and both require layout or resistor network changes.
Availability
AMP03GPZ is available at Aetrix Electronics and suitable for industrial sensor interfaces, 4–20 mA current loop transmitters, and precision instrumentation requiring stable component supply across extended temperature ranges (–40°C to +85°C).
Supply support for AMP03GPZ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The AMP03 product line was designed specifically for precision differential signal conditioning in harsh industrial environments-emphasizing integrated resistor matching, wide input range, and robust CMRR over temperature.
FAQ
What is the operating temperature range for AMP03GPZ?
The AMP03GPZ is rated for operation from –40°C to +85°C, matching the G-grade specification defined in the Analog Devices datasheet REV. F. This range supports deployment in industrial control cabinets, outdoor sensor nodes, and factory-floor equipment where ambient temperatures exceed commercial limits. The device maintains 100 dB typical CMRR and 9.5 V/µs slew rate across this full span, as verified by wafer-level testing and packaged part characterization.
Does AMP03GPZ require external precision resistors to achieve unity-gain differential operation?
No, AMP03GPZ does not require external precision resistors for unity-gain differential operation. It integrates a laser-trimmed thin-film resistor network (four 25 kΩ elements matched to better than 0.002%) directly on-die. This eliminates gain error sources from external component tolerance and thermal drift-enabling true plug-in difference amplifier functionality with guaranteed 0.008% max gain error per the AMP03GBC wafer test limits.
Can AMP03GPZ drive a 100 kΩ load while maintaining specified bandwidth?
Yes, AMP03GPZ maintains its 3 MHz small-signal bandwidth into a 100 kΩ load, as confirmed by electrical characterization under RL = 2 kΩ and open-loop conditions in the datasheet. Output swing remains ±13.7 V, and distortion stays below 0.001% THD+N at 1 kHz. For heavier loads (<2 kΩ), bandwidth decreases predictably per closed-loop gain curves in TPC 8, but 100 kΩ presents negligible loading effect on frequency response.
What is the function of the SENSE pin (Pin 5) on AMP03GPZ?
The SENSE pin (Pin 5) on AMP03GPZ serves as the feedback sense node for non-unity-gain configurations. When used in gain-of-two or higher setups (e.g., Figure 7), it connects to the junction of external gain-setting resistors to close the feedback loop internally. In standard unity-gain differential mode, SENSE is tied directly to OUTPUT per functional block diagram-enabling the monolithic resistor network to set precise gain without external connections.
Is AMP03GPZ pin-compatible with other grades like AMP03BJ or AMP03FJ?
No, AMP03GPZ is not pin-compatible with AMP03BJ or AMP03FJ. While all share the same 8-pin header (J suffix) pinout, AMP03GPZ uses a PDIP package (P suffix) with distinct lead spacing and mounting footprint. The J-suffix variants use metal-can TO-99 packaging with different mechanical dimensions, thermal resistance (θJC = 18°C/W vs. 43°C/W for PDIP), and soldering requirements-requiring separate PCB layouts and assembly processes.
AMP03GPZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Differential
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 9.5V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 3 MHz
- Current - Input Bias:
- -
- Voltage - Input Offset:
- 25 µV
- Current - Supply:
- 2.5mA
- Current - Output / Channel:
- 45 mA
- Voltage - Supply Span (Min):
- 12 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
AMP03GPZ FAQ
1.How can I place an order for AMP03GPZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AMP03GPZ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AMP03GPZ reliable?
The price and inventory of AMP03GPZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AMP03GPZ is usually 5 days.
3.What payment methods are accepted for AMP03GPZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AMP03GPZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AMP03GPZ?
AMP03GPZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AMP03GPZ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AMP03GPZ?
For technical support, including AMP03GPZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AMP03GPZ requirements.
6.How does Aetrix verify that AMP03GPZ is sourced from the original manufacturer or authorized distributors?
All AMP03GPZ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AMP03GPZ meets industry standards.
7.What is the process for return or replacement of AMP03GPZ?
All AMP03GPZ units undergo pre-shipment inspection (PSI). If there is an issue with AMP03GPZ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AMP03GPZ part is unused and in its original packaging.
Return procedure for AMP03GPZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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