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Analog Devices Inc. AD827JNZ
- Part No.:
- AD827JNZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
AD827JNZ.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:579
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Product details
Overview
AD827JNZ from Analog Devices is a dual high-speed, low-power voltage feedback operational amplifier designed for precision video, data acquisition, and active filter applications. It delivers 50 MHz unity-gain bandwidth, 300 V/µs slew rate (±15 V), and 120 ns settling time to 0.1% with ±15 V supplies - enabling accurate buffering of fast video signals and ADC/DAC interfaces.
For engineers reviewing the AD827JNZ datasheet, AD827JNZ pinout, AD827JNZ application, or AD827JNZ equivalent, this page provides verified technical context, package-specific pin mapping, real-world application roles, and validated alternative options for video line driving, instrumentation amplifiers, and high-speed signal conditioning circuits.
Technical Context
The AD827JNZ implements a voltage-feedback architecture with fully differential input stage and Class AB output stage, optimized for stability into unlimited capacitive loads. Its open-loop gain of 3.5 V/mV (3500 V/V) into 500 Ω and phase margin of 50° at 1 kHz ensure robust closed-loop performance in gain ≥ –1 configurations.
It features matched internal transistor pairs enabling <0.4 mV input offset voltage matching between amplifiers, 85 dB crosstalk rejection at 5 MHz, and rail-to-rail input common-mode range (±14.3 V on ±15 V supplies), supporting wide dynamic range signal processing without external level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Unity-Gain Bandwidth | 50 MHz @ ±15 V - supports stable operation in unity-gain video buffers and active filters up to 50 MHz. |
| Slew Rate | 300 V/µs @ ±15 V, RL = 1 kΩ - enables faithful reproduction of 20 Vpp signals up to ~4.7 MHz full-power bandwidth. |
| Settling Time | 120 ns to 0.1% @ ±15 V, ±5 V step - meets timing requirements for 8–10-bit ADC input buffering and DAC output reconstruction. |
| Differential Gain Error | 0.04% @ 4.4 MHz - meets broadcast video spec for NTSC/PAL color fidelity in cable drivers. |
| Input Offset Voltage | 2 mV max @ +25°C, ±5 V - ensures ≤20 mV output error in DC-coupled gain-of-10 stages without trimming. |
| Quiescent Current | 10.5 mA total @ ±15 V - enables dual-channel high-speed operation within 150 mW power budget. |
| Common-Mode Rejection | 80 dB min @ ±2.5 V CM - suppresses noise coupling in single-supply referenced sensor front-ends. |
Pinout & Package
AD827JNZ is housed in an 8-lead plastic dual-in-line package (PDIP, N-8), with through-hole mounting and 0.300″ wide body. Pin 1 is marked by a notch or dot; leads are spaced 0.100″ (2.54 mm) apart, compatible with standard DIP sockets and PCB footprints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (Amplifier A) | High-impedance node for feedback network connection; requires impedance matching to non-inverting input for bias current cancellation. |
| 2 | Non-Inverting Input (Amplifier A) | DC-coupled input accepting common-mode voltages from –13.4 V to +14.3 V on ±15 V supplies. |
| 3 | Output (Amplifier A) | Class AB output capable of ±12.2 V swing into 500 Ω and 32 mA short-circuit current limit. |
| 4 | Negative Supply (V–) | Connects to system ground or negative rail; substrate tied to V+ per metallization diagram. |
| 5 | Positive Supply (V+) | Accepts +4.5 V to +18 V; substrate connection requires clean, low-inductance bypassing with 0.1 µF ceramic. |
| 6 | Output (Amplifier B) | Independent output with identical drive capability and settling behavior as Pin 3. |
| 7 | Non-Inverting Input (Amplifier B) | Matched to Pin 2; enables dual-channel instrumentation or parallel gain stages with <0.4 mV offset mismatch. |
| 8 | Inverting Input (Amplifier B) | Matched to Pin 1; supports independent feedback networks for each amplifier without crosstalk degradation. |
Key Features
| Feature | Design Value |
|---|---|
| Unlimited capacitive load drive | Stable operation with >1 nF load capacitance - eliminates need for isolation resistors in coaxial cable drivers. |
| Video-optimized AC performance | 0.04% differential gain / 0.19° differential phase @ 4.4 MHz - preserves color fidelity in RGB/YPbPr video paths. |
| Low input voltage noise | 15 nV/√Hz @ 10 kHz - maintains SNR in high-gain sensor signal chains without degrading resolution. |
| Matched dual amplifier pair | 0.4 mV max input offset voltage matching - enables precise differential signal conditioning in 3-op-amp INAs. |
| Wide supply range | ±4.5 V to ±18 V operation - supports legacy ±5 V systems and high-voltage industrial signal conditioning. |
Applications
| Video Line Driver | Instrumentation Amplifier Front-End |
|---|---|
|
Use Scenario: Driving 75 Ω reverse-terminated coaxial cables in broadcast camera signal chains. IC Role / Device Role / Timing Role: Dual op amp configured as unity-gain follower with back-termination resistor (RBT) to damp reflections. Use Value: Delivers <0.04% differential gain error at 4.4 MHz color subcarrier, ensuring NTSC/PAL compliance without post-correction. |
Use Scenario: Building three-op-amp instrumentation amplifiers for strain gauge or RTD readouts. IC Role / Device Role / Timing Role: Two AD827JNZ amplifiers serve as matched input buffers; third op amp sets gain via RG resistor. Use Value: Achieves 14.7 MHz small-signal bandwidth at G = 2 and <0.4 mV inter-amplifier offset mismatch for <10 ppm measurement accuracy. |
| High-Speed Data Converter Interface | Active Filter Stage |
|
Use Scenario: Buffering analog inputs to 10-bit, 20 MSPS ADCs in medical imaging digitizers. IC Role / Device Role / Timing Role: Input buffer with 120 ns settling to 0.1% ensures full-scale step accuracy before ADC sampling aperture. Use Value: Enables error-free digitization of fast transients (e.g., ultrasound pulses) without missing codes or settling-induced distortion. |
Use Scenario: Implementing 4th-order Butterworth low-pass filters in spectrum analyzers. IC Role / Device Role / Timing Role: Dual amplifier used in cascaded Sallen-Key stages with 50 MHz unity-gain bandwidth. Use Value: Supports filter cutoff frequencies up to 10 MHz with minimal passband ripple and monotonic roll-off. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual high-speed op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD826ANZ | Lower 35 MHz GBW, 350 V/µs slew rate, higher 2.5 mV max VOS, same PDIP-8 package. | Less suitable for >5 MHz video or 10-bit ADC buffering; better for cost-sensitive audio preamps. | Select AD826ANZ only when bandwidth demand is ≤35 MHz and differential phase tolerance >0.5°. |
| LM6172IM/NOPB | Higher 100 MHz GBW, 3000 V/µs slew rate, but 12 mA quiescent current and no guaranteed video specs. | Overqualified for video; preferred in ultra-fast pulse amplification where settling <35 ns is required. | Choose LM6172IM/NOPB only if full-power bandwidth >10 MHz and settling <50 ns are mandatory. |
Compared with AD827JNZ, AD826ANZ trades bandwidth and video fidelity for lower cost and similar power, while LM6172IM/NOPB delivers extreme speed at higher current and without video-validated AC performance - making AD827JNZ the optimal balance for broadcast-grade video and multichannel data acquisition.
Availability
AD827JNZ is available at Aetrix Electronics and suitable for video signal routing, instrumentation amplifier design, and high-speed data converter interfacing requiring stable component supply across industrial, broadcast, and test equipment programs.
Supply support for AD827JNZ 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 AD827 belongs to Analog Devices' high-speed precision op amp product line, engineered specifically for demanding video, instrumentation, and data acquisition systems where bandwidth, settling accuracy, and video fidelity must coexist at low power.
FAQ
What is the operating temperature range for AD827JNZ?
The AD827JNZ is rated for operation from 0°C to +70°C, as indicated by the "J" grade suffix in its part number. This commercial-grade temperature range is validated per the Absolute Maximum Ratings table and applies to all electrical specifications unless otherwise noted in the datasheet's "TMIN to TMAX" rows. The AD827JNZ maintains specified performance including 120 ns settling time and 0.04% differential gain error across this full range.
Does AD827JNZ require external compensation for unity-gain stability?
No, the AD827JNZ is unity-gain stable without external compensation. Its internal compensation ensures unconditional stability in gain ≥ –1 configurations, including voltage followers and inverting amplifiers. The datasheet confirms 50° phase margin with 10 pF load capacitance and specifies stable operation driving unlimited capacitive loads - eliminating need for series isolation resistors in video driver applications.
Can AD827JNZ drive a 50 Ω terminated load directly?
Yes, the AD827JNZ can drive a 50 Ω reverse-terminated load directly. Its output stage delivers 32 mA short-circuit current and sustains ±10 V swing into 500 Ω; with appropriate gain setting and supply voltage (±15 V), it achieves ±1 V output into 50 Ω as confirmed in the Video Line Driver section. Table I shows 13 MHz –3 dB bandwidth with 0% overshoot under these conditions.
What is the input common-mode voltage range of AD827JNZ at ±15 V supplies?
At ±15 V supplies, the AD827JNZ accepts input common-mode voltages from –13.4 V to +14.3 V, as specified in the "Input Common-Mode Voltage Range" row of the datasheet. This rail-to-rail input capability allows direct interfacing with sensors or DACs operating near supply rails without level-shifting circuitry, and is validated over the full 0°C to +70°C operating range.
Is AD827JNZ pin-compatible with other AD827 variants like AD827JR or AD827AQ?
No, AD827JNZ is not pin-compatible with AD827JR or AD827AQ due to differing packages: AD827JNZ uses 8-lead PDIP (N-8), AD827JR uses 16-lead SOIC (R-16), and AD827AQ uses 8-lead CERDIP (Q-8). While all share identical electrical functionality and pin functions, their physical footprints, lead counts, and thermal characteristics differ - requiring separate PCB layouts and assembly processes for each variant.
AD827JNZ 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:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 300V/µs
- Gain Bandwidth Product:
- 50 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 3.3 µA
- Voltage - Input Offset:
- 300 µV
- Current - Supply:
- 10mA
- Current - Output / Channel:
- 32 mA
- Voltage - Supply Span (Min):
- 9 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
AD827JNZ FAQ
1.How can I place an order for AD827JNZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AD827JNZ 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 AD827JNZ reliable?
The price and inventory of AD827JNZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD827JNZ is usually 5 days.
3.What payment methods are accepted for AD827JNZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD827JNZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD827JNZ?
AD827JNZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD827JNZ 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 AD827JNZ?
For technical support, including AD827JNZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD827JNZ requirements.
6.How does Aetrix verify that AD827JNZ is sourced from the original manufacturer or authorized distributors?
All AD827JNZ 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 AD827JNZ meets industry standards.
7.What is the process for return or replacement of AD827JNZ?
All AD827JNZ units undergo pre-shipment inspection (PSI). If there is an issue with AD827JNZ, 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 AD827JNZ part is unused and in its original packaging.
Return procedure for AD827JNZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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