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Analog Devices Inc. AD8602DRMZ-REEL
- Part No.:
- AD8602DRMZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
AD8602DRMZ-REEL.pdf
- Description:
- IC CMOS 2 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:9,578
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Product details
Overview
AD8602DRMZ-REEL from Analog Devices is a dual, precision CMOS rail-to-rail input/output operational amplifier optimized for single-supply operation from 2.7 V to 5.5 V. It delivers 8 MHz gain bandwidth, 5 V/µs slew rate, 500 µV max offset voltage (A grade), 750 µA per amplifier supply current, and operates across −40°C to +125°C - enabling high-accuracy signal conditioning in battery-powered instrumentation and sensor interfaces.
For engineers reviewing the AD8602DRMZ-REEL datasheet, AD8602DRMZ-REEL pinout, AD8602DRMZ-REEL application, or AD8602DRMZ-REEL equivalent, key selection criteria include rail-to-rail I/O swing at low supply voltage, sub-1 nA input bias current, unity-gain stability, no phase reversal behavior, and automotive-qualified temperature performance.
Technical Context
The AD8602DRMZ-REEL employs Analog Devices' DigiTrim® post-package trimming to achieve low offset without laser trimming, ensuring consistent performance across 8-lead MSOP packaging. Its dual-input stage - parallel NMOS and PMOS differential pairs - enables true rail-to-rail common-mode input range (0 V to VS) and eliminates phase reversal under overdrive.
Output stage uses complementary NMOS/PMOS common-source configuration for rail-to-rail swing; output voltage reaches within 20 mV of VS and 15 mV of V– at 1 mA load. Open-loop gain is 80 dB typical (RL = 2 kΩ), with phase margin of 55° at 5 V supply - ensuring stable unity-gain operation with capacitive loads up to 200 pF.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 5.5 V - supports direct interface with Li-ion, 3.3 V, and 5 V logic systems without level shifting. |
| Gain Bandwidth Product | 8.4 MHz - enables stable closed-loop operation up to ~100 kHz at G = 100, suitable for multipole filter design. |
| Input Offset Voltage (max) | 500 µV (A grade, 25°C) - ensures ≤0.5 mV error in 1 V full-scale shunt current sensing with 1 Ω sense resistor. |
| Input Bias Current (typ) | 0.2 pA - allows use with >100 MΩ source impedances (e.g., photodiode, piezoelectric sensors) without significant error. |
| Slew Rate | 6 V/µs (5 V supply) - supports <1 µs settling to 0.01% for 2 V step inputs, critical for fast-settling data acquisition front-ends. |
| Operating Temperature | −40°C to +125°C - qualified for under-hood automotive, industrial control, and extended-environment portable devices. |
| Output Drive | ±50 mA - drives 600 Ω audio loads directly and sustains rail-to-rail swing with 10 mA sourcing/sinking capability. |
Pinout & Package
AD8602DRMZ-REEL is housed in an 8-lead MSOP (RM suffix) package, measuring 3.0 mm × 3.0 mm × 0.85 mm, with exposed pad for thermal enhancement. Pin 1 is marked by dot; device is RoHS-compliant and halogen-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - OUT A | Amplifier A output | Delivers rail-to-rail voltage swing; capable of sourcing/sinking ±50 mA into resistive loads. |
| 2 - –IN A | Inverting input A | High-impedance node (0.2 pA bias); accepts signals from 0 V to VS; no phase reversal on overdrive. |
| 3 - +IN A | Non-inverting input A | Same rail-to-rail common-mode range as –IN A; matched offset and bias with –IN A for precision differential gain. |
| 4 - V– | Negative supply / ground reference | Connects to system ground or negative rail; serves as return path for both amplifiers' quiescent and output currents. |
| 5 - V+ | Positive supply | Accepts 2.7 V–5.5 V; PSRR of 80 dB minimizes supply noise coupling into signal path. |
| 6 - –IN B | Inverting input B | Independent, matched input pair to Channel A; enables dual-channel signal processing without cross-talk. |
| 7 - +IN B | Non-inverting input B | Electrically identical to +IN A; supports independent biasing or common-mode referencing for dual-sensor systems. |
| 8 - OUT B | Amplifier B output | Functionally identical to OUT A; allows simultaneous buffering, filtering, or driving of two independent analog paths. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full dynamic range utilization in 3 V systems - e.g., direct interfacing with 12-bit ADCs having 0–3 V input range. |
| DigiTrim® offset calibration | Eliminates assembly-induced stress offsets; achieves 500 µV max VOS in compact MSOP without extra pins or external trim components. |
| No phase reversal | Prevents catastrophic output inversion during input overvoltage - essential for safety-critical sensor monitoring (e.g., battery cell voltage). |
| Low 0.2 pA input bias current | Reduces voltage error to <1 µV in 1 GΩ feedback networks, enabling ultra-high-Z transimpedance amplifiers for photodiode detection. |
| Unity-gain stable | Operates reliably with gain = 1 without external compensation - simplifies design of voltage followers for ADC input buffering. |
| Automotive qualified | Qualified per AEC-Q100 Grade 1; supports deployment in engine control units, ADAS sensor signal chains, and infotainment audio stages. |
Applications
| Current Sensing | Barcode Scanners |
|---|---|
Use Scenario: Precision shunt-based current measurement in portable power tools with 3.3 V microcontroller and 10-bit ADC. IC Role / Device Role / Timing Role: Dual-channel op amp configured as differential amplifier (Channel A) and reference buffer (Channel B) for bidirectional current sensing. Use Value: 500 µV max offset ensures <0.05% full-scale error at 1 A; rail-to-rail output drives ADC input without external level shifters. |
Use Scenario: Signal conditioning of reflected laser diode pulses in handheld barcode scanners powered by single-cell Li-ion. IC Role / Device Role / Timing Role: High-speed transimpedance amplifier (Channel A) and pulse-shaping comparator driver (Channel B). Use Value: 6 V/µs slew rate resolves 100 ns laser pulses; 0.2 pA input bias prevents baseline drift during low-light scanning. |
| Battery-Powered Instrumentation | Audio Amplification |
Use Scenario: Portable pH meter using glass electrode with >1 GΩ source impedance and 3 V coin-cell supply. IC Role / Device Role / Timing Role: Ultra-low-bias transimpedance preamp (Channel A) and rail-to-rail output buffer (Channel B) for LCD driver interface. Use Value: Sub-picoampere input bias avoids electrode polarization errors; 750 µA quiescent current extends battery life beyond 200 hours. |
Use Scenario: Headphone driver in Bluetooth headset with 3.3 V supply and 16 Ω dynamic drivers. IC Role / Device Role / Timing Role: Single-supply AC-coupled headphone amplifier (G = 2, Channel A) with DC servo (Channel B) to null output offset. Use Value: 33 nV/√Hz voltage noise and <0.001% THD+N at 1 kHz ensure high-fidelity audio; rail-to-rail swing maximizes output power into 16 Ω. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP6022-E/SN | Higher 1.5 mV max VOS, 10x higher input bias (2 pA), 10 MHz GBW, SOIC-8 only | Less suited for sub-mV precision or >100 MΩ sensor interfaces; better for cost-sensitive general-purpose designs | Select when offset and bias specs are relaxed and SOIC-8 footprint is required. |
| OPA2333AIDRGT | Zero-drift architecture, 2 µV max VOS, 200 pA max IB, 350 kHz GBW, 8-pin WSON | Superior dc precision but lower bandwidth limits use in audio or fast filters; WSON package requires reflow expertise | Select when ultra-low drift dominates over speed; avoid where >1 MHz signal content exists. |
Compared with MCP6022-E/SN and OPA2333AIDRGT, AD8602DRMZ-REEL provides optimal balance of precision (500 µV VOS), speed (8.4 MHz), ultra-low bias (0.2 pA), and MSOP footprint - making it preferred for space-constrained, battery-operated sensor and audio signal chains demanding both accuracy and bandwidth.
Availability
AD8602DRMZ-REEL is available at Aetrix Electronics and suitable for current sensing, barcode scanner signal conditioning, battery-powered instrumentation, audio amplification, multipole filters, and sensor interface applications requiring stable component supply across industrial and automotive temperature ranges.
Supply support for AD8602DRMZ-REEL 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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, with R&D and manufacturing facilities worldwide.
The AD860x family was designed specifically for precision, low-voltage, single-supply applications - targeting portable instrumentation, automotive sensors, medical devices, and high-fidelity audio where rail-to-rail operation, low power, and minimal offset are critical.
FAQ
What is the maximum operating temperature for AD8602DRMZ-REEL?
The AD8602DRMZ-REEL is specified for operation from −40°C to +125°C and qualified for automotive applications per AEC-Q100 Grade 1. This extended temperature range ensures reliable performance in under-hood automotive modules, industrial PLCs, and outdoor portable equipment where ambient temperatures exceed standard commercial limits. The device maintains its 500 µV max offset and 8.4 MHz bandwidth across this full range.
Does AD8602DRMZ-REEL require external compensation for unity-gain stability?
No, AD8602DRMZ-REEL is internally compensated and unity-gain stable. It drives capacitive loads up to 200 pF without oscillation or peaking, as verified in Figure 45–48 of the Rev. I datasheet. This eliminates the need for external compensation networks in voltage follower, active filter, or ADC buffer configurations - reducing BOM count and layout complexity while preserving signal integrity.
Can AD8602DRMZ-REEL be used with a 2.7 V supply in rail-to-rail mode?
Yes, AD8602DRMZ-REEL is fully specified down to 2.7 V. At this supply, it maintains rail-to-rail input (0 V to 2.7 V) and output swing (within 20 mV of rails at 1 mA load), 5.2 V/µs slew rate, and 8.2 MHz gain bandwidth. Its 750 µA supply current per amplifier enables multi-day operation on coin-cell batteries - confirmed in Figures 36 and 16 of the datasheet.
What is the input bias current specification for AD8602DRMZ-REEL at 85°C?
At −40°C to +85°C, the AD8602DRMZ-REEL exhibits a maximum input bias current of 100 pA (A grade), with typical value remaining near 0.2 pA. This ultra-low, temperature-stable bias enables high-precision operation with photodiodes, pH electrodes, and other ultra-high-impedance sources even in warm environments - as validated in Figure 12 of the Rev. I datasheet.
Is AD8602DRMZ-REEL pin-compatible with other dual op amps in MSOP-8 packages?
AD8602DRMZ-REEL follows the industry-standard dual op amp pinout (OUT A, –IN A, +IN A, V–, V+, –IN B, +IN B, OUT B), matching SOIC-8 and MSOP-8 footprints of LMV358, MCP6022, and TLV2372. However, it is not a drop-in replacement due to differences in input stage architecture (rail-to-rail CMOS vs. bipolar/JFET) and quiescent current - circuit validation is required for each application.
AD8602DRMZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- DigiTrim®
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 6V/µs
- Gain Bandwidth Product:
- 8.4 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.2 pA
- Voltage - Input Offset:
- 1.3 mV
- Current - Supply:
- 750µA (x2 Channels)
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
AD8602DRMZ-REEL FAQ
1.How can I place an order for AD8602DRMZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8602DRMZ-REEL 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 AD8602DRMZ-REEL reliable?
The price and inventory of AD8602DRMZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8602DRMZ-REEL is usually 5 days.
3.What payment methods are accepted for AD8602DRMZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8602DRMZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8602DRMZ-REEL?
AD8602DRMZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8602DRMZ-REEL 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 AD8602DRMZ-REEL?
For technical support, including AD8602DRMZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8602DRMZ-REEL requirements.
6.How does Aetrix verify that AD8602DRMZ-REEL is sourced from the original manufacturer or authorized distributors?
All AD8602DRMZ-REEL 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 AD8602DRMZ-REEL meets industry standards.
7.What is the process for return or replacement of AD8602DRMZ-REEL?
All AD8602DRMZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD8602DRMZ-REEL, 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 AD8602DRMZ-REEL part is unused and in its original packaging.
Return procedure for AD8602DRMZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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