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Analog Devices Inc. AD830ARZ
- Part No.:
- AD830ARZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Video Amps and Modules
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD830ARZ.pdf
- Description:
- IC AMP DIFFERENTIAL 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:154
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Product details
Overview
AD830ARZ from Analog Devices is a high-speed, wideband difference amplifier optimized for video and precision differential signal conditioning. It delivers 85 MHz unity-gain bandwidth, 35 ns settling time to 0.1%, ±2 V differential input range, and 60 dB CMRR at 4 MHz - enabling accurate differential-to-single-ended conversion in broadcast video receivers and high-speed data acquisition systems.
For engineers reviewing the AD830ARZ datasheet, AD830ARZ pinout, AD830ARZ application, or AD830ARZ equivalent, this page provides verified specifications, validated pin functions, confirmed video-grade performance metrics (0.06% differential gain error, 0.08° phase error), and real-world design context for level-shifting, ADC driver, and line-receiver use cases.
Technical Context
The AD830ARZ implements an active feedback topology with dual matched transconductance (GM) stages, enabling symmetrical dynamic response for both inverting and noninverting gain configurations without bandwidth halving. Its high-impedance inputs (370 kΩ) and internal current-summing node preserve CMRR across frequency while eliminating sensitivity to external resistor matching.
Unlike conventional op-amp-based difference amplifiers, the AD830ARZ achieves 90 dB DC CMRR and maintains 55–60 dB rejection up to 4 MHz due to intrinsic GM-stage symmetry and common-mode-independent transconductance. It operates with ±4 V to ±16.5 V dual supplies and supports resistorless gain = +1, +2, or configurable gains via external feedback networks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Unity-Gain Bandwidth | 85 MHz (enables full-spectrum video amplification up to 15 MHz with 0.1 dB flatness) |
| Differential Gain/Phase Error | 0.06% / 0.08° at 4.5 MHz (meets SMPTE/ITU broadcast video fidelity requirements) |
| CMRR | 60 dB at 4 MHz (rejects high-frequency noise in mixed-signal environments like ADC front-ends) |
| Slew Rate | 360 V/μs (supports fast transient response in pulse-amplifier and level-shifter applications) |
| Input Offset Voltage | ±3 mV max (ensures <0.1% gain error in precision instrumentation signal chains) |
| Output Drive | ±50 mA into 150 Ω (directly drives 75 Ω video lines or ADC inputs without buffering) |
| Supply Range | ±4 V to ±16.5 V (supports legacy ±5 V and industrial ±15 V systems with same layout) |
Pinout & Package
AD830ARZ is packaged in an 8-lead SOIC (RN) with standard pinout and no internal connections on pins 3 and 7 (NC). The device uses a symmetrical GM-stage architecture where X1/X2 form the differential input pair and Y1/Y2 configure feedback; VP/VN are supply pins; OUT is single-ended output; C is the common-mode reference terminal.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (X1) | Differential Input (+) | High-impedance input to X GM stage; polarity defines gain sign when paired with X2 |
| 2 (X2) | Differential Input (−) | Matched counterpart to X1; differential voltage (X1−X2) sets input current IX |
| 3 (NC) | No Connect | Internally unconnected; must remain floating per datasheet |
| 4 (VP) | Positive Supply | Connects to +VS rail; bypassing required within 1 cm for stability |
| 5 (OUT) | Single-Ended Output | Buffered voltage output referenced to C; capable of ±50 mA drive into 150 Ω |
| 6 (VN) | Negative Supply | Connects to −VS rail; requires local 0.1 μF ceramic bypass capacitor |
| 7 (NC) | No Connect | Internally unconnected; must remain floating per datasheet |
| 8 (C) | Common-Mode Reference | Defines output DC level; tied to ground, supply midpoint, or system reference |
Key Features
| Feature | Design Value |
|---|---|
| Resistorless Gain = +1 Configuration | Eliminates external resistor network, reducing component count and layout sensitivity in video line receivers |
| Built-in Differential Clipping Level | ±2.3 V hard limit on X-inputs prevents saturation-induced distortion in overdriven video signals |
| Symmetrical Inverting/Noninverting Response | Identical 85 MHz bandwidth and 35 ns settling for both polarities - simplifies gain-reversal design in test equipment |
| Wide Common-Mode Input Range | −12 V to +12.8 V at ±15 V supplies enables level shifting between disparate voltage domains (e.g., 3.3 V logic to ±12 V analog) |
| Low Distortion at High Frequency | −72 dBc THD at 4 MHz ensures clean signal integrity in high-speed ADC driver and IF amplifier applications |
Applications
| Broadcast Video Line Receiver | High-Speed ADC Driver |
|---|---|
|
Use Scenario: Receiving composite video signals over 75 Ω coaxial cable with embedded sync pulses and wide common-mode noise. IC Role / Device Role / Timing Role: Differential line receiver that rejects cable-induced common-mode interference while preserving luminance/chrominance timing relationships. Use Value: 0.06% differential gain and 0.08° phase error maintain color fidelity and edge sharpness across NTSC/PAL bandwidths. |
Use Scenario: Driving the input of a 10-bit, 40 MSPS analog-to-digital converter in a medical ultrasound front-end. IC Role / Device Role / Timing Role: High-fidelity differential-to-single-ended converter that matches ADC input impedance and minimizes aperture jitter. Use Value: 35 ns settling to 0.1% and 360 V/μs slew rate ensure accurate sampling of fast-rising echo waveforms without droop or overshoot. |
| Industrial Level Shifter | Programmable Gain Instrumentation Amplifier Stage |
|
Use Scenario: Translating ±10 V sensor outputs to 0–5 V range for microcontroller ADC input in factory automation systems. IC Role / Device Role / Timing Role: Precision level shifter with user-defined output reference (via C pin) and rail-to-rail output swing capability. Use Value: ±2 V differential input range and −12 V to +12.8 V common-mode window allow direct interface to high-voltage industrial sensors without attenuation. |
Use Scenario: Building a low-drift, wideband in-amp using AD830ARZ as the core differencing stage with external gain-setting resistors. IC Role / Device Role / Timing Role: High-CMRR, low-offset difference amplifier providing the final gain stage in a three-op-amp in-amp topology. Use Value: 90 dB DC CMRR and ±3 mV offset voltage minimize error contributions in millivolt-level thermocouple or strain gauge measurements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar difference amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS3201DR | Higher 1.8 GHz bandwidth but lower 45 dB CMRR at 10 MHz; requires external resistors for gain = +1 | Better suited for RF/IF signal paths than video; lacks built-in clipping and C-pin reference flexibility | Select THS3201DR only when >500 MHz small-signal bandwidth is mandatory and CMRR >55 dB is not required above 1 MHz |
| LT1994CS8#PBF | Fixed gain = +10, 100 dB DC CMRR, but only 20 MHz bandwidth and ±2.5 V input range | Optimized for precision low-frequency instrumentation, not video or high-speed transient response | Choose LT1994CS8#PBF for dc-coupled sensor interfaces needing ultra-high CMRR below 100 kHz, not for video or fast settling |
Compared with THS3201DR and LT1994CS8#PBF, the AD830ARZ uniquely balances video-grade fidelity (0.06%/0.08°), high-speed settling (35 ns), flexible common-mode referencing (C pin), and resistorless gain = +1 - making it the only option meeting broadcast video, ADC driver, and industrial level-shifting requirements simultaneously.
Availability
AD830ARZ is available at Aetrix Electronics and suitable for broadcast video equipment, high-speed data acquisition systems, and industrial sensor signal conditioning requiring stable component supply and long-term manufacturability.
Supply support for AD830ARZ 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 AD830ARZ belongs to Analog Devices' precision high-speed amplifier product line, designed specifically for demanding differential signal conditioning tasks in video, instrumentation, and communications infrastructure where CMRR, settling accuracy, and gain fidelity are critical.
FAQ
What is the maximum differential input voltage the AD830ARZ can handle without clipping?
The AD830ARZ has a specified differential clipping level of ±2.3 V on pins X1 and X2 under ±15 V supplies. This is a hard limit enforced by internal clamping circuitry to prevent distortion in video signals. For linear operation with <0.1% peak nonlinearity, the recommended differential input range is ±2.0 V. Exceeding ±2.3 V causes symmetric hard clipping, which may introduce harmonics unsuitable for broadcast applications. Always verify input signal amplitude against this limit in AD830ARZ designs.
Can the AD830ARZ operate from a single +5 V supply?
No, the AD830ARZ requires dual supplies (e.g., ±5 V or ±15 V) and cannot operate from a single +5 V rail. Its internal architecture relies on symmetrical positive and negative supply connections to VP (pin 4) and VN (pin 6). Attempting single-supply operation violates absolute maximum ratings and will result in undefined behavior or damage. For single-supply applications, consider alternatives like the AD8276 or AD8476, but note these lack the AD830ARZ's video-grade performance and resistorless gain = +1 capability.
What is the function of the C pin (pin 8) on the AD830ARZ?
The C pin (pin 8) on the AD830ARZ sets the output common-mode reference level. It is not a power pin or ground - it defines the DC offset of the OUT pin relative to system ground or another reference point. When C is tied to ground, OUT swings symmetrically around 0 V; when C is tied to +2.5 V, OUT centers at +2.5 V. This enables level-shifting without external op-amps. Proper decoupling (e.g., 0.1 μF to ground) is required if C connects to a noisy rail. Miswiring C invalidates all output voltage specifications in the AD830ARZ datasheet.
How does the AD830ARZ achieve high CMRR at 4 MHz when most op-amp-based difference amplifiers degrade significantly?
The AD830ARZ achieves 60 dB CMRR at 4 MHz through its proprietary active feedback topology with dual matched transconductance (GM) stages - not resistor-based feedback. Unlike conventional op-amp difference amplifiers whose CMRR collapses with frequency due to resistor ratio mismatch and bandwidth limitations, the AD830ARZ's intrinsic GM-stage symmetry maintains rejection up to 4 MHz. Its 370 kΩ input resistance and low 2 pF input capacitance also minimize frequency-dependent CMRR loss from source impedance imbalances. This is confirmed in Figure 2 and Figure 6 of the AD830ARZ datasheet.
Is the AD830ARZ pin-compatible with earlier AD830 variants like AD830JNZ or AD830ANZ?
Yes, the AD830ARZ is pin-compatible with AD830JNZ and AD830ANZ in the 8-lead SOIC (RN) package. All share identical pinout (X1, X2, NC, VP, OUT, VN, NC, C), thermal pad absence, and footprint. However, the AD830ARZ specifies −40°C to +85°C operating temperature (Grade A), whereas AD830JNZ is 0°C to +70°C (Grade J). Electrical parameters such as offset voltage and CMRR are statistically tighter in AD830ARZ. No PCB changes are needed when upgrading from AD830JNZ to AD830ARZ in existing designs.
AD830ARZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Applications:
- Differential
- Output Type:
- -
- Number of Circuits:
- 1
- -3db Bandwidth:
- 85 MHz
- Slew Rate:
- 360V/µs
- Current - Supply:
- 14.5 mA
- Current - Output / Channel:
- 50 mA
- Voltage - Supply, Single/Dual (±):
- 8V ~ 33V, ±4V ~ 16.5V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
AD830ARZ FAQ
1.How can I place an order for AD830ARZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AD830ARZ 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 AD830ARZ reliable?
The price and inventory of AD830ARZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD830ARZ is usually 5 days.
3.What payment methods are accepted for AD830ARZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD830ARZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD830ARZ?
AD830ARZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD830ARZ 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 AD830ARZ?
For technical support, including AD830ARZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD830ARZ requirements.
6.How does Aetrix verify that AD830ARZ is sourced from the original manufacturer or authorized distributors?
All AD830ARZ 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 AD830ARZ meets industry standards.
7.What is the process for return or replacement of AD830ARZ?
All AD830ARZ units undergo pre-shipment inspection (PSI). If there is an issue with AD830ARZ, 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 AD830ARZ part is unused and in its original packaging.
Return procedure for AD830ARZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AD830ARZ Tags
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LT6552CS8#PBF
Analog Devices Inc.
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LT6205IS5#TRPBF
Analog Devices Inc.
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LT6206IMS8#TRPBF
Analog Devices Inc.
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LT6552CDD#PBF
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LT6552IS8#PBF
Analog Devices Inc.
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LT1252CS8#PBF
Analog Devices Inc.
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MAX4310EUA+
Analog Devices Inc./Maxim Integrated
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AD829ARZ
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AD810ARZ
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MAX4310ESA+
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MAX4313ESA+
Analog Devices Inc./Maxim Integrated
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