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Analog Devices Inc. AMP03GSZ-RL
- Part No.:
- AMP03GSZ-RL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AMP03GSZ-RL.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,105
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Product details
Overview
AMP03GSZ-RL from Analog Devices is a precision monolithic unity-gain differential amplifier optimized for high CMRR, low nonlinearity (0.001% max), and fast settling (1 µs to 0.01%). It delivers 3 MHz bandwidth, 9.5 V/µs slew rate, and 100 dB typical common-mode rejection-enabling accurate signal conditioning in noisy industrial instrumentation and 4–20 mA current transmitter interfaces.
For engineers reviewing the AMP03GSZ-RL datasheet, AMP03GSZ-RL pinout, AMP03GSZ-RL application, or AMP03GSZ-RL equivalent, this page provides verified specifications, SOIC-8 package details, functional pin roles, real-world use cases in balanced line receivers and absolute value amplifiers, and two validated alternative parts with documented technical differences.
Technical Context
The AMP03GSZ-RL 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 rejects common-mode voltage across frequency-CMR remains ≥80 dB up to 100 kHz per TPC 2.
It operates from ±6 V to ±18 V supplies, supports ±20 V input voltage range, and drives capacitive loads up to 300 pF without oscillation. The internal reference terminal allows precise offset control and enables configurations like precision voltage references (e.g., ±5 V or ±10 V outputs using REF10).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CMRR | 100 dB typ - Enables >99.999% rejection of shared noise in sensor front-ends and data acquisition systems. |
| Small-Signal Bandwidth | 3 MHz - Supports accurate amplification of fast transients in summing and instrumentation circuits. |
| Slew Rate | 9.5 V/µs - Ensures distortion-free reproduction of 10 Vpp signals up to ~150 kHz full-power bandwidth. |
| Input Offset Voltage | ±750 µV max (G grade) - Guarantees sub-millivolt error in precision difference and current-voltage conversion. |
| Gain Error | 0.008% max - Delivers 99.992% gain accuracy without calibration, critical for absolute-value and reference applications. |
| Supply Current | 2.5–3.5 mA - Enables low-power operation while maintaining speed, suitable for multi-channel industrial modules. |
| Output Swing | ±13.7 V into 2 kΩ - Provides rail-to-rail usable dynamic range with ±15 V supplies for maximum signal fidelity. |
Pinout & Package
AMP03GSZ-RL is supplied in an 8-lead SOIC package (S-8), 3.9 mm × 4.9 mm body, 1.27 mm lead pitch, JEDEC MS-012AA compliant. Thermal resistance θJA = 155°C/W, θJC = 40°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: REFERENCE | Reference voltage input | Allows user-defined output offset; tied to ground for zero-reference operation or to external reference for precision biasing. |
| 2: –IN | Inverting input | One leg of differential input pair; matched impedance required for optimal CMRR performance. |
| 3: +IN | Non-inverting input | Second leg of differential input; source impedance must mirror –IN to preserve DC and AC CMR. |
| 4: V– | Negative supply rail | Connects to negative supply (e.g., –15 V); decoupling capacitor required near pin for stability. |
| 5: SENSE | Output sense feedback | Enables Kelvin sensing for improved load regulation; shorted to OUTPUT when not used. |
| 6: OUTPUT | Amplified differential output | Delivers unity-gain buffered difference (V+IN – V–IN); capable of sourcing/sinking ±15 mA. |
| 7: +VCC | Positive supply rail | Connects to positive supply (e.g., +15 V); requires local 0.1 µF ceramic decoupling. |
| 8: NC | No connect | Internally unconnected; left floating-no routing or grounding required. |
Key Features
| Feature | Design Value |
|---|---|
| Matched thin-film resistor network | Laser-trimmed 25 kΩ resistors matched to <0.002%, eliminating need for external precision resistors in difference amplifier designs. |
| Thermally symmetric layout | Minimizes thermal gradient-induced drift, sustaining 100 dB CMRR over –40°C to +85°C operating range. |
| Fast 0.01% settling time | 1 µs enables high-throughput sampling in automated test equipment and multiplexed DAQ systems. |
| High capacitive load drive | Stable with up to 300 pF load-supports direct connection to ADC inputs or long PCB traces without added isolation. |
| Low THD+N | 0.001% typ at 1 kHz ensures clean signal integrity in audio-grade and precision measurement paths. |
Applications
| 4–20 mA Current Transmitter | Balanced Line Receiver |
|---|---|
Use Scenario: Converting sensor output (e.g., RTD or strain gauge) into standardized 4–20 mA loop current for PLC interfacing over long distances. IC Role / Device Role / Timing Role: Precision differential amplifier performing current-voltage conversion and loop driving with high CMRR to reject ground-loop noise. Use Value: Maintains 0.001% linearity and 100 dB CMRR even under ±10 V common-mode interference-ensuring <0.1% total error in industrial field transmitters. |
Use Scenario: Receiving differential analog signals (e.g., RS-422, LVDS-like sensor outputs) in electrically noisy factory environments. IC Role / Device Role / Timing Role: High-speed differential receiver rejecting cable-borne common-mode noise while preserving signal integrity and timing edges. Use Value: 3 MHz bandwidth and 9.5 V/µs slew rate support >100 kHz signal recovery; 100 dB CMRR suppresses >99.999% of coupled EMI from motor drives or switching power supplies. |
| Precision Voltage Reference | Instrumentation Amplifier Front-End |
Use Scenario: Generating stable ±5 V or ±10 V reference rails from a primary reference (e.g., REF10) for ADC/DAC biasing and sensor excitation. IC Role / Device Role / Timing Role: Unity-gain buffer with ultra-low offset drift, isolating reference source from load variations and PCB leakage. Use Value: ±750 µV max VOS and 0.008% gain error ensure reference accuracy within ±0.5 mV-critical for 16-bit+ data converters. |
Use Scenario: First-stage signal conditioning in medical ECG or industrial vibration monitoring where weak differential signals require amplification before filtering. IC Role / Device Role / Timing Role: Differential input stage providing high CMRR and low noise before secondary gain stages (e.g., OP270). Use Value: Integrated 25 kΩ matched resistors eliminate external component mismatch errors; 1 µs settling supports real-time waveform capture at ≥1 MSPS effective sample rates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar differential amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| INA105KP | Slower (1.5 MHz BW, 3 V/µs SR), higher offset (±1 mV), but includes internal trim pins for fine adjustment. | Preferred for ultra-low-drift lab-grade instrumentation where adjustability outweighs speed requirements. | Select INA105KP only if manual offset trimming is needed and bandwidth ≤1.5 MHz suffices. |
| AD8273ARZ | Lower CMRR (80 dB min), wider supply range (±2.5 V to ±17 V), dual-channel, no REF/SENSE pins. | Better suited for space-constrained dual-sensor systems where independent channels reduce board area. | Choose AD8273ARZ for dual-channel cost-sensitive designs where 80 dB CMRR meets system noise budget. |
Compared with AMP03GSZ-RL, INA105KP trades speed and CMRR for user-adjustable precision, while AD8273ARZ offers integration density at reduced common-mode immunity-making AMP03GSZ-RL the optimal choice for single-channel, high-CMRR, high-speed industrial signal conditioning.
Availability
AMP03GSZ-RL is available at Aetrix Electronics and suitable for 4–20 mA current transmitters, balanced line receivers, and precision voltage reference circuits requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for AMP03GSZ-RL 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, serving industrial, automotive, communications, and healthcare markets.
The AMP03 product line was designed specifically as a monolithic, resistor-matched differential amplifier family for instrumentation-grade signal conditioning-replacing discrete resistor networks with guaranteed matching and thermal tracking.
FAQ
What is the operating temperature range for AMP03GSZ-RL?
The AMP03GSZ-RL is rated for –40°C to +85°C operation, consistent with its G-grade specification and SOIC packaging. This range supports deployment in industrial control cabinets, factory automation I/O modules, and outdoor sensor nodes without derating. Full electrical performance-including 100 dB CMRR and 9.5 V/µs slew rate-is guaranteed across this span per Rev. F datasheet conditions.
Does AMP03GSZ-RL require external resistors for unity-gain difference amplification?
No, AMP03GSZ-RL does not require external resistors for unity-gain difference amplification. Its internal laser-trimmed 25 kΩ thin-film resistor network provides precise 1× gain with <0.002% matching, eliminating external component errors and thermal drift sources. External resistors are only needed for non-unity gain configurations or custom reference biasing.
How is the SENSE pin used in AMP03GSZ-RL?
The SENSE pin on AMP03GSZ-RL enables Kelvin (4-wire) sensing of the OUTPUT node to improve load regulation accuracy. When used, SENSE connects directly to the load return point, allowing the amplifier to compensate for voltage drop across PCB traces or connectors. If unused, SENSE must be shorted to OUTPUT-leaving it open risks instability or output error.
Can AMP03GSZ-RL drive ADC inputs directly?
Yes, AMP03GSZ-RL can drive ADC inputs directly due to its 300 pF capacitive load drive capability and low output impedance (<1 Ω at DC, rising to ~10 Ω at 100 kHz per TPC 9). For SAR or sigma-delta ADCs with input capacitance ≤200 pF and sampling rates ≤1 MSPS, no external buffer is required-reducing BOM count and board area.
What is the purpose of the REFERENCE pin on AMP03GSZ-RL?
The REFERENCE pin on AMP03GSZ-RL sets the output common-mode voltage. When grounded, output centers at 0 V; when tied to a precision reference (e.g., REF10), it establishes fixed output offsets such as ±5 V or ±10 V. This enables flexible configuration for bipolar ADC interfaces, level-shifting, or precision voltage reference generation without additional op amps.
AMP03GSZ-RL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- 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:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
AMP03GSZ-RL FAQ
1.How can I place an order for AMP03GSZ-RL through Aetrix?
Please submit a Request for Quotation (RFQ) for AMP03GSZ-RL 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 AMP03GSZ-RL reliable?
The price and inventory of AMP03GSZ-RL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AMP03GSZ-RL is usually 5 days.
3.What payment methods are accepted for AMP03GSZ-RL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AMP03GSZ-RL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AMP03GSZ-RL?
AMP03GSZ-RL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AMP03GSZ-RL 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 AMP03GSZ-RL?
For technical support, including AMP03GSZ-RL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AMP03GSZ-RL requirements.
6.How does Aetrix verify that AMP03GSZ-RL is sourced from the original manufacturer or authorized distributors?
All AMP03GSZ-RL 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 AMP03GSZ-RL meets industry standards.
7.What is the process for return or replacement of AMP03GSZ-RL?
All AMP03GSZ-RL units undergo pre-shipment inspection (PSI). If there is an issue with AMP03GSZ-RL, 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 AMP03GSZ-RL part is unused and in its original packaging.
Return procedure for AMP03GSZ-RL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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