My Inquiry
My Account
Analog Devices Inc. AD8534ARZ-REEL
- Part No.:
- AD8534ARZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD8534ARZ-REEL.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,705
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
AD8534ARZ-REEL from Analog Devices is a quad rail-to-rail input/output operational amplifier optimized for high-current single-supply operation, delivering ±250 mA output drive, 3 MHz gain bandwidth, and 5 V/μs slew rate at 5 V supply. It operates from 2.7 V to 6 V, supports rail-to-rail I/O swing, and is specified across −40°C to +85°C for LCD drivers, headphone amplifiers, and ASIC interface buffering.
For engineers reviewing the AD8534ARZ-REEL datasheet, AD8534ARZ-REEL pinout, AD8534ARZ-REEL application, or AD8534ARZ-REEL equivalent, key selection criteria include output current capability under capacitive loads, thermal limits in narrow SOIC packaging, rail-to-rail common-mode range, and absence of phase reversal - all critical for audio, display, and low-voltage embedded signal conditioning.
Technical Context
The AD8534ARZ-REEL employs a CMOS input stage with dual differential pairs (N- and P-channel) enabling true rail-to-rail input operation down to GND and up to V+, while its complementary common-source output stage delivers ±250 mA into resistive or capacitive loads without external boost circuitry. Its open-loop gain exhibits load-dependent variation due to output transistor on-resistance, requiring careful thermal management per package θJA (120°C/W for 14-lead SOIC).
It lacks internal short-circuit protection and input current limiting, necessitating external series resistors for overvoltage conditions exceeding VS by >0.6 V. Stability with capacitive loads up to 10 nF is guaranteed; beyond that, snubber networks (e.g., 5 Ω + 1 μF) suppress overshoot without restoring bandwidth.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 6 V - enables direct interfacing with 3.3 V and 5 V logic/system rails without level shifting. |
| Output Current | ±250 mA - drives heavy resistive loads (e.g., 600 Ω headphones) or capacitive loads (e.g., LCD column drivers) without external buffers. |
| Gain Bandwidth Product | 3 MHz at VS = 5 V - supports audio-band amplification (20 Hz–20 kHz) with ≥100× closed-loop gain margin. |
| Slew Rate | 5 V/μs - ensures <1.4 μs settling to 0.01% for 4.9 Vp-p signals, critical for transient fidelity in headphone and line drivers. |
| Input Offset Voltage | 25 mV (typ), 30 mV (max over temp) - sets DC accuracy limit in precision buffer or reference amplifier configurations. |
| Rail-to-Rail I/O | Input: 0 V to VS; Output: within 100 mV of rails at 10 mA - maximizes dynamic range in single-supply systems driving CMOS DACs or ASICs. |
| Quiescent Current | 750 μA/amplifier (typ) at 5 V - allows four independent channels in low-power portable applications without excessive system supply burden. |
Pinout & Package
AD8534ARZ-REEL is housed in a 14-lead narrow SOIC (R suffix) package with exposed pad not present; thermal resistance θJA = 120°C/W. Pin functions are validated per Figure 4 of Rev. F datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - capable of sourcing/sinking ±250 mA; requires thermal derating above ambient >75°C. |
| 2 | –IN A | Inverting input of Amp A - high-impedance CMOS node; bias current ≤60 pA enables precision integrator use. |
| 3 | +IN A | Non-inverting input of Amp A - rail-to-rail common-mode range (0 V to VS) supports direct connection to CMOS outputs. |
| 4 | V+ | Positive supply - accepts 2.7 V to 6 V; must be decoupled with ≥1 μF ceramic near pin. |
| 5 | V– | Negative supply / ground - referenced to system GND in single-supply mode; no negative rail required. |
| 6 | +IN B | Non-inverting input of Amp B - electrically identical to +IN A; shares same layout constraints for noise immunity. |
| 7 | –IN B | Inverting input of Amp B - matched to –IN A; channel separation ≥65 dB at 1 kHz minimizes crosstalk in multi-channel audio. |
| 8 | OUT B | Amplifier B output - independently driven; output impedance ≤40 Ω at 1 MHz enables stable driving of 2 kΩ+ loads. |
| 9 | OUT C | Amplifier C output - fully isolated performance; no shared internal nodes with A/B channels per design documentation. |
| 10 | –IN C | Inverting input of Amp C - identical electrical specs to –IN A/B; supports independent feedback networks. |
| 11 | +IN C | Non-inverting input of Amp C - rail-to-rail input enables direct sensing of battery or regulator outputs. |
| 12 | +IN D | Non-inverting input of Amp D - allows simultaneous buffering of four independent analog signals in compact space. |
| 13 | –IN D | Inverting input of Amp D - low input offset drift (20 μV/°C) maintains DC accuracy across industrial temperature range. |
| 14 | OUT D | Amplifier D output - same ±250 mA drive; total quiescent power for all four amps ≈ 3 mA at 5 V, enabling always-on sensor interfaces. |
Key Features
| Feature | Design Value |
|---|---|
| No phase reversal | Guaranteed operation without output polarity inversion when inputs exceed common-mode range - eliminates risk of latch-up in feedback-critical circuits. |
| Rail-to-rail input and output | Enables full utilization of 3.3 V or 5 V supply headroom in single-supply systems, e.g., buffering 0–3.3 V DAC outputs without level-shifting. |
| High output current (±250 mA) | Drives low-impedance loads directly - replaces discrete buffer stages in LCD column drivers and stereo headphone outputs. |
| Low input bias current (5–60 pA) | Supports high-impedance sensor interfaces and precision integrators without significant error from leakage paths. |
| Stable with capacitive loads ≤10 nF | Eliminates need for external compensation in LCD panel driver designs where trace capacitance exceeds 1 nF per segment. |
| Unity-gain stable | Operates reliably in voltage-follower configuration without added phase compensation, simplifying PCB layout for reference buffering. |
Applications
| LCD Panel Column Driver | Single-Supply Headphone Amplifier |
|---|---|
Use Scenario: Driving high-capacitance column lines (≥5 nF) in monochrome or segment-based LCD displays powered from 3.3 V or 5 V rails. IC Role / Device Role / Timing Role: Quad op-amp configured as unity-gain buffers, each channel driving one column segment with rail-to-rail swing and fast settling. Use Value: Eliminates need for external MOSFET buffers; ±250 mA drive ensures adequate current for multiplexed segments while maintaining contrast uniformity. |
Use Scenario: Delivering low-distortion audio to 16–32 Ω stereo headphones in portable media players or USB-C DAC dongles. IC Role / Device Role / Timing Role: Two channels used in inverting or non-inverting gain configuration (AV = 2–4), with remaining channels for microphone preamp or volume control interface. Use Value: 5 V/μs slew rate and 3 MHz bandwidth preserve transient response; rail-to-rail output delivers full 3.3 Vp-p swing into 32 Ω loads. |
| ASIC Interface Buffer | Multimedia Audio Line Driver |
Use Scenario: Isolating and level-shifting analog outputs from mixed-signal ASICs operating at 1.8 V or 3.3 V I/O domains. IC Role / Device Role / Timing Role: Non-inverting buffer (AV = 1) translating ASIC output voltage ranges to higher-voltage analog subsystems without distortion. Use Value: Input common-mode range includes GND and VS, allowing direct connection to ASIC outputs; low 25 mV offset preserves DC accuracy. |
Use Scenario: Driving balanced or unbalanced line-level audio (2 Vrms) from sound cards or set-top boxes into 10 kΩ consumer inputs. IC Role / Device Role / Timing Role: Single-ended line driver with gain ≥2, using one AD8534ARZ-REEL channel per channel; remaining channels for mute control or LED drivers. Use Value: 65 dB channel separation prevents crosstalk; low 45 nV/√Hz voltage noise ensures SNR >95 dB(A) in 20 kHz bandwidth. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad rail-to-rail op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2464IDR | Lower output current (±80 mA), lower GBW (6.4 MHz), higher supply current (650 μA/amp), same SOIC-14 package. | Not suitable for >100 mA loads like LCD columns or headphones; better for low-noise, high-speed signal conditioning. | Select TLV2464IDR only if bandwidth >3 MHz is required and load current <80 mA. |
| OPA4340UA | Higher precision (125 μV max VOS), lower noise (20 nV/√Hz), but limited output current (±20 mA) and narrower supply range (2.7–5.5 V). | Preferred for sensor signal chains requiring DC accuracy; unsuitable for driving capacitive or low-Z loads. | Choose OPA4340UA when offset voltage <150 μV and noise <25 nV/√Hz are mandatory, and load current ≤20 mA. |
Compared with TLV2464IDR and OPA4340UA, AD8534ARZ-REEL uniquely balances high output drive (±250 mA) with rail-to-rail operation and industrial temperature range in a standard SOIC-14 footprint - making it the only option among the three for direct LCD column or headphone driver replacement without external transistors.
Availability
AD8534ARZ-REEL is available at Aetrix Electronics and suitable for LCD panel manufacturing, portable audio device production, and ASIC interface design requiring stable component supply with guaranteed long-term availability and consistent parametric performance.
Supply support for AD8534ARZ-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 design and manufacturing expertise spanning precision amplifiers, data converters, and power management ICs.
The AD853x family was designed specifically for single-supply, high-output-current applications including LCD drivers, audio amplification, and ASIC interface buffering - emphasizing robust capacitive-load stability and rail-to-rail signal handling in cost-sensitive industrial and consumer systems.
FAQ
What is the maximum capacitive load the AD8534ARZ-REEL can drive without external compensation?
The AD8534ARZ-REEL is stable driving up to 10 nF directly, as confirmed in Figures 25–28 of the Rev. F datasheet. Beyond that, overshoot increases significantly; for 47 nF loads, a 5 Ω + 1 μF snubber network is recommended. This limit applies per channel and assumes proper PCB layout with local 1 μF decoupling at V+.
Does the AD8534ARZ-REEL have internal short-circuit protection?
No, the AD8534ARZ-REEL lacks internal short-circuit protection circuitry due to its high-current output stage design. Direct shorting of the output to V+ or GND in single-supply operation will destroy the device. External series resistors (e.g., 10–20 Ω) within the feedback loop are advised for fault-prone applications.
Can the AD8534ARZ-REEL operate from a 3.3 V supply and still deliver full rail-to-rail output swing?
Yes - the AD8534ARZ-REEL guarantees rail-to-rail input and output operation from 2.7 V to 6 V. At 3.3 V supply, output voltage swing is typically within 100 mV of each rail at 10 mA load (VOH ≥ 3.2 V, VOL ≤ 0.1 V), enabling full utilization of the 0–3.3 V range for DAC buffering or sensor signal conditioning.
What is the thermal limitation for continuous ±250 mA output in the AD8534ARZ-REEL SOIC package?
In the 14-lead narrow SOIC package (θJA = 120°C/W), continuous ±250 mA output into a 0 Ω load at 5 V supply would dissipate ~1.25 W, raising junction temperature by ~150°C above ambient - exceeding the 150°C absolute max. Derating is essential: at 25°C ambient, max safe continuous output current is ~120 mA per channel with no heatsink.
Is the AD8534ARZ-REEL pin-compatible with other members of the AD853x family?
No - the AD8534ARZ-REEL (quad, 14-pin) is not pin-compatible with AD8531 (single, 5- or 8-pin) or AD8532 (dual, 8-pin). Pinouts differ fundamentally across channel count variants; only the AD8534ARZ-REEL and AD8534ARU-REEL (TSSOP-14) share identical pin mapping per Figures 4 and 5 in the datasheet.
AD8534ARZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 5V/µs
- Gain Bandwidth Product:
- 3 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 5 pA
- Voltage - Input Offset:
- 25 mV
- Current - Supply:
- 750µA (x4 Channels)
- Current - Output / Channel:
- 250 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 6 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
AD8534ARZ-REEL FAQ
1.How can I place an order for AD8534ARZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8534ARZ-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 AD8534ARZ-REEL reliable?
The price and inventory of AD8534ARZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8534ARZ-REEL is usually 5 days.
3.What payment methods are accepted for AD8534ARZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8534ARZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8534ARZ-REEL?
AD8534ARZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8534ARZ-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 AD8534ARZ-REEL?
For technical support, including AD8534ARZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8534ARZ-REEL requirements.
6.How does Aetrix verify that AD8534ARZ-REEL is sourced from the original manufacturer or authorized distributors?
All AD8534ARZ-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 AD8534ARZ-REEL meets industry standards.
7.What is the process for return or replacement of AD8534ARZ-REEL?
All AD8534ARZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD8534ARZ-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 AD8534ARZ-REEL part is unused and in its original packaging.
Return procedure for AD8534ARZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AD8534ARZ-REEL Tags
-
LM358DT
STMicroelectronics
-
LM358DR
Texas Instruments
-
LM2904DR
Texas Instruments
-
LM358ADR
Texas Instruments
-
LM2904DGKR
Texas Instruments
-
LM324DR
Texas Instruments
-
MCP6006T-E/OT
Microchip Technology
-
MCP6006UT-E/OT
Microchip Technology
-
LM324PWR
Texas Instruments
-
LM2902PWR
Texas Instruments
-
LM2902DR
Texas Instruments
-
LM358P
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
