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Analog Devices Inc. AD8606ACBZ-REEL7
- Part No.:
- AD8606ACBZ-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-WFBGA, WLCSP
- Datasheet:
-
AD8606ACBZ-REEL7.pdf
- Description:
- IC CMOS 2 CIRCUIT 8WLCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,746
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Product details
Overview
AD8606ACBZ-REEL7 from Analog Devices is a dual, rail-to-rail input/output precision CMOS operational amplifier in an 8-ball WLCSP package. It delivers 65 µV max offset voltage, 1 pA max input bias current, 8 nV/√Hz voltage noise density at 1 kHz, 10 MHz unity-gain bandwidth, and operates from 2.7 V to 5.5 V single supply - enabling high-accuracy photodiode amplification and battery-powered sensor signal conditioning.
For engineers reviewing the AD8606ACBZ-REEL7 datasheet, AD8606ACBZ-REEL7 pinout, AD8606ACBZ-REEL7 application, or AD8606ACBZ-REEL7 equivalent, key selection criteria include ultra-low input bias current for high-impedance source interfacing, sub-100 µV offset stability over −40°C to +125°C, and WLCSP footprint constraints in space-constrained portable instrumentation.
Technical Context
The AD8606ACBZ-REEL7 implements a precision CMOS input stage with DigiTrim® laserless trimming, achieving low offset without laser calibration. Its rail-to-rail input common-mode range (0 V to VS) and output swing (within 20 mV of rails at 1 mA) support full-scale signal utilization in low-voltage systems.
It features unity-gain stability, 65° phase margin at 5 V, and maintains 9 MHz bandwidth at 2.7 V supply. The 8-ball WLCSP (0.8 mm × 0.8 mm, 0.4 mm pitch) uses bump-side-down mounting with defined A1 corner marking and requires controlled reflow per Analog Devices' WLCSP assembly guidelines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Offset Voltage | Max 65 µV at 25°C - enables <1 LSB error in 16-bit ADC front-ends with ≤10 kΩ source impedance. |
| Input Bias Current | Max 1 pA at 25°C - supports leakage-critical applications like photodiode preamps and pH sensors without significant DC error. |
| Voltage Noise Density | 8 nV/√Hz at 1 kHz - ensures <3.5 µVPP (0.1–10 Hz) input-referred noise for precision DC-coupled measurement paths. |
| Unity-Gain Bandwidth | 10 MHz at 5 V - allows stable closed-loop operation up to ~1 MHz with gain ≥2, suitable for anti-aliasing and active filter stages. |
| Supply Range | 2.7 V to 5.5 V single supply - compatible with Li-ion, 3.3 V logic, and energy-harvesting power rails without level-shifting. |
| Operating Temperature | −40°C to +125°C - qualified for automotive cabin, industrial motor control, and downhole sensing environments. |
| Output Drive | ±80 mA short-circuit current - drives 2 kΩ loads to rail with <290 mV dropout at 125°C, supporting buffered DAC outputs. |
Pinout & Package
The AD8606ACBZ-REEL7 is housed in an 8-ball Wafer Level Chip Scale Package (WLCSP), measuring 0.8 mm × 0.8 mm with 0.4 mm ball pitch. The package uses bump-side-down mounting; Ball A1 is marked at the corner and corresponds to Pin 1 (−IN A).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Ball A1 | −IN A | Inverting input of Amplifier A - high-impedance node requiring guard ring layout to preserve 1 pA bias current spec. |
| Ball A2 | +IN A | Noninverting input of Amplifier A - matched to −IN A for optimal CMRR; sensitive to PCB leakage currents. |
| Ball A3 | V+ | Positive supply for both amplifiers - must be decoupled with 100 nF ceramic within 1 mm of A3/B3 balls. |
| Ball B1 | −IN B | Inverting input of Amplifier B - electrically isolated from Amplifier A; crosstalk < −110 dB at 1 kHz. |
| Ball B3 | +IN B | Noninverting input of Amplifier B - independent bias path; shares no internal routing with Amplifier A inputs. |
| Ball C1 | OUT A | Amplifier A output - capable of sourcing/sinking ±80 mA; requires local thermal relief on V+ and GND planes. |
| Ball C2 | V− | Ground reference - connected internally to substrate; must tie to low-impedance system ground plane. |
| Ball C3 | OUT B | Amplifier B output - independent output stage; no shared quiescent current path with OUT A. |
Key Features
| Feature | Design Value |
|---|---|
| DigiTrim® trimming | Eliminates laser trimming; achieves 65 µV max VOS and 4.5 µV/°C drift without post-package calibration. |
| Rail-to-rail I/O | Inputs accept 0 V to VS; outputs swing to within 20 mV of rails at 1 mA - maximizes dynamic range in 3.3 V systems. |
| Low 1/f noise | 2.3–3.5 µVPP (0.1–10 Hz) - critical for DC-stable integrators, thermocouple amps, and weigh-scale signal chains. |
| High PSRR & CMRR | 95 dB PSRR and 100 dB CMRR at DC - rejects supply ripple and common-mode interference in noisy industrial environments. |
| WLCSP footprint | 0.64 mm² total area - smallest op amp package available, enabling placement directly under FPGAs or MCUs in ultra-compact wearables. |
Applications
| Photodiode Amplification | Battery-Powered Instrumentation |
|---|---|
Use Scenario: Transimpedance amplification of low-light photodiode signals in portable spectrometers. IC Role / Device Role / Timing Role: Precision current-to-voltage converter with ultra-low input bias current preserving photocurrent integrity. Use Value: 1 pA max IB prevents signal loss in high-gain (>1 MΩ) TIA configurations; 8 nV/√Hz noise enables detection of sub-picoamp photocurrents. | Use Scenario: Signal conditioning for handheld multimeters and portable gas analyzers operating on coin-cell batteries. IC Role / Device Role / Timing Role: Low-power, rail-to-rail buffer and gain stage for sensor front-ends and ADC drivers. Use Value: 1.2 mA/amplifier supply current at 25°C extends battery life; 2.7 V minimum supply supports direct connection to alkaline or LiFePO₄ cells. |
| Multipole Filters | Barcode Scanners |
Use Scenario: 4th-order active anti-aliasing filters in portable data loggers sampling at 100 kSPS. IC Role / Device Role / Timing Role: Dual-channel precision op amp implementing cascaded Sallen-Key stages with matched AC response. Use Value: 10 MHz GBP and 65° phase margin ensure stable filter Q-factor and monotonic step response without peaking. | Use Scenario: Laser diode driver and photodiode receiver conditioning in compact handheld barcode scanners. IC Role / Device Role / Timing Role: Dual-function block: one amplifier drives laser modulation; the other conditions reflected light signal. Use Value: Independent amplifier channels prevent crosstalk between transmit and receive paths; rail-to-rail output drives 50 Ω transmission lines directly. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2333AIDR | Zero-drift architecture; 0.02 µV/°C offset drift vs. AD8606ACBZ-REEL7's 4.5 µV/°C; higher 17 µVPP 0.1–10 Hz noise. | Better for <100 ppm/°C drift-critical DC applications; less suitable for wideband photodiode amps due to chopper artifacts. | Select OPA2333AIDR when long-term DC stability outweighs wideband noise performance. |
| MAX44260ASA+T | 1.8 V min supply; 500 fA IB; 5.5 nV/√Hz noise; but only 5.5 MHz GBP and 1.5 mA supply current. | Superior for ultra-low-power, sub-2 V systems; insufficient bandwidth for >500 kHz active filters or audio paths. | Select MAX44260ASA+T when operating below 2.7 V or requiring femtoamp bias current at the cost of speed. |
Compared with OPA2333AIDR and MAX44260ASA+T, AD8606ACBZ-REEL7 uniquely balances ultra-low bias current, low 1/f noise, 10 MHz bandwidth, and WLCSP size - making it optimal for space-constrained, battery-powered precision analog front-ends where both DC accuracy and AC fidelity matter.
Availability
AD8606ACBZ-REEL7 is available at Aetrix Electronics and suitable for photodiode amplification, battery-powered instrumentation, and multipole filters requiring stable component supply across automotive, industrial, and medical device production cycles.
Supply support for AD8606ACBZ-REEL7 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.
The AD860x family was designed specifically for precision, low-noise, rail-to-rail signal conditioning in space- and power-constrained applications - targeting portable medical devices, optical sensors, and industrial IoT endpoints.
FAQ
What is the maximum operating temperature range for AD8606ACBZ-REEL7?
The AD8606ACBZ-REEL7 is specified for continuous operation from −40°C to +125°C across all electrical parameters. This extended industrial temperature range is validated per Analog Devices' qualification standards and supports use in engine control units, downhole tools, and outdoor industrial sensors where ambient extremes occur.
Does AD8606ACBZ-REEL7 require external input protection resistors?
Yes - if either input exceeds the supply rails by more than 0.5 V, external series resistors are required per Analog Devices' Input Overvoltage Protection guidance. For AD8606ACBZ-REEL7, a 10 kΩ resistor adds <10 nV of offset error while limiting input current to safe levels, leveraging its 1 pA bias current to minimize loading effects.
Can AD8606ACBZ-REEL7 drive capacitive loads without oscillation?
AD8606ACBZ-REEL7 remains stable driving up to 100 pF with proper PCB layout (short traces, local bypassing). For >100 pF loads, a 10 Ω to 50 Ω isolation resistor in series with the output is recommended. Data Sheet Figure 40 confirms <5% overshoot at 100 pF with 2.7 V supply, validating robust capacitive load drive capability for ADC input buffers.
What is the typical supply current per amplifier in AD8606ACBZ-REEL7 at 3.3 V?
At 3.3 V and 25°C, AD8606ACBZ-REEL7 draws 1.15 mA per amplifier (2.3 mA total), as interpolated from the 2.7 V (1.15–1.4 mA) and 5 V (1.0–1.2 mA) supply current specs. This value increases to 1.4 mA per amplifier at +125°C, ensuring predictable power budgeting in thermally demanding layouts.
Is AD8606ACBZ-REEL7 pin-compatible with other AD860x variants in WLCSP?
No - AD8606ACBZ-REEL7 (dual, 8-ball) is not pin-compatible with AD8605ACBZ-REEL (single, 5-ball) or AD8608ARUZ (quad, 14-lead TSSOP). The 8-ball WLCSP pinout is unique to the dual configuration; pin mapping differs fundamentally across channel count and package type within the AD860x family.
AD8606ACBZ-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- DigiTrim®
- Package/Case:
- 8-WFBGA, WLCSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 5V/µs
- Gain Bandwidth Product:
- 10 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 80 µV
- Current - Supply:
- 1mA (x2 Channels)
- Current - Output / Channel:
- 80 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-WLCSP (1.43x1.775)
AD8606ACBZ-REEL7 FAQ
1.How can I place an order for AD8606ACBZ-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8606ACBZ-REEL7 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 AD8606ACBZ-REEL7 reliable?
The price and inventory of AD8606ACBZ-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8606ACBZ-REEL7 is usually 5 days.
3.What payment methods are accepted for AD8606ACBZ-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8606ACBZ-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8606ACBZ-REEL7?
AD8606ACBZ-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8606ACBZ-REEL7 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 AD8606ACBZ-REEL7?
For technical support, including AD8606ACBZ-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8606ACBZ-REEL7 requirements.
6.How does Aetrix verify that AD8606ACBZ-REEL7 is sourced from the original manufacturer or authorized distributors?
All AD8606ACBZ-REEL7 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 AD8606ACBZ-REEL7 meets industry standards.
7.What is the process for return or replacement of AD8606ACBZ-REEL7?
All AD8606ACBZ-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD8606ACBZ-REEL7, 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 AD8606ACBZ-REEL7 part is unused and in its original packaging.
Return procedure for AD8606ACBZ-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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