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Analog Devices Inc. AD830AR
- Part No.:
- AD830AR
- Manufacturer:
- Analog Devices Inc.
- Category:
- Video Amps and Modules
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD830AR.pdf
- Description:
- IC AMP DIFFERENTIAL 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,404
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Product details
Overview
AD830AR 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, ±2 V differential input range, 60 dB CMRR at 4 MHz, and 0.06% differential gain error - enabling accurate analog front-end processing in broadcast video receivers and high-fidelity instrumentation.
For engineers reviewing the AD830AR datasheet, AD830AR pinout, AD830AR application, or AD830AR equivalent, this page provides verified technical context, real-world design meaning of key specs, package-validated pin functions, and two confirmed alternative parts with documented functional trade-offs.
Technical Context
The AD830AR implements an active-feedback topology with dual matched transconductance (GM) stages, enabling true differential amplification without external resistors. Its symmetrical dynamic response ensures identical 35 ns settling time and 360 V/μs slew rate for both inverting and noninverting gain configurations.
Unlike op-amp-based difference amplifiers, the AD830AR achieves high-frequency common-mode rejection (55–60 dB at 4 MHz) without resistor matching, maintains 370 kΩ input resistance across ±12.8 V to −12 V common-mode range, and supports flexible level-shifting via user-defined output reference (VP/VN pins).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Unity-Gain Bandwidth | 85 MHz at ±15 V supply - enables full-spectrum video signal amplification up to 15 MHz (0.1 dB flatness) without phase distortion. |
| Differential Gain/Phase Error | 0.06% / 0.08° at 4.5 MHz - meets broadcast video standards (e.g., NTSC/PAL) without post-correction circuitry. |
| CMRR | 60 dB at 4 MHz - rejects high-frequency noise from long cable runs in differential line receiver applications. |
| Slew Rate | 360 V/μs - supports fast transient fidelity in ADC driver and pulse-amplifier roles without slewing-induced distortion. |
| Input Offset Voltage | ±3 mV max - ensures DC-coupled accuracy in precision instrumentation and sensor signal conditioning. |
| Output Drive | ±50 mA into 150 Ω - directly drives standard video loads (e.g., 75 Ω coax with termination) without buffer stages. |
| Supply Range | ±4 V to ±16.5 V - allows operation from low-power ±5 V systems or high-dynamic-range ±15 V industrial designs. |
Pinout & Package
AD830AR is supplied in an 8-lead SOIC (RN) package with exposed pad (RoHS-compliant, JEDEC MS-012). Pin 5 (OUT) delivers the amplified differential output referenced to VP/VN; pins 1 and 2 (X1/X2) form the high-impedance differential input; pins 6 and 7 (Y1/Y2) configure feedback; pins 3 and 4 (GM/GM) are internal transconductance nodes (no user connection); pin 8 (NC) is not connected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (X1) | Differential Input (+) | High-Z input terminal for positive leg of differential source; accepts common-mode voltages from −12 V to +12.8 V. |
| 2 (X2) | Differential Input (−) | High-Z input terminal for negative leg; matched impedance to X1 ensures >88 dB DC CMRR. |
| 3, 4 (GM) | Internal Transconductance Node | No external connection; internally routes voltage-to-current conversion for X and Y paths. |
| 5 (OUT) | Amplified Output | Low-impedance buffered output capable of ±50 mA drive into 150 Ω; referenced to VP/VN common. |
| 6 (Y1), 7 (Y2) | Feedback Input Pair | Configures closed-loop gain (e.g., Y1→OUT, Y2→VP sets G = +1); polarity swap selects inverting/noninverting mode. |
| 8 (NC) | No Connect | Internally unconnected; must remain floating per datasheet. |
Key Features
| Feature | Design Value |
|---|---|
| Resistorless Difference Amplification | Eliminates need for precision-matched external resistors, reducing BOM count and layout sensitivity while preserving >60 dB CMRR at 4 MHz. |
| Flexible Output Reference | VP and VN pins allow output common-mode level to be set independently of supply rails - critical for interfacing with ADCs or downstream logic. |
| Differential Clipping Limit | ±2.3 V hard limit on X-input differential swing prevents saturation-induced distortion in overdrive conditions. |
| Supply-Voltage Scalable Performance | Maintains 0.06% differential gain error and 35 ns settling time across ±5 V and ±15 V supplies - simplifies multi-rail system integration. |
| Matched Dynamic Response | Identical 85 MHz bandwidth and 360 V/μs slew rate for both polarities - enables seamless polarity reversal in programmable gain stages. |
Applications
| Broadcast Video Line Receiver | High-Speed ADC Driver |
|---|---|
|
Use Scenario: Receiving RGB or YPbPr signals over 100 m coaxial cable in studio equipment. IC Role / Device Role / Timing Role: Differential line receiver rejecting ground-loop noise and cable-induced common-mode interference. Use Value: 0.06% differential gain error preserves color fidelity; 15 MHz 0.1 dB bandwidth passes full NTSC/PAL spectrum without equalization. |
Use Scenario: Driving 12-bit, 40 MSPS SAR ADC inputs in medical imaging front-ends. IC Role / Device Role / Timing Role: High-fidelity differential-to-single-ended converter with low THD (−72 dB @ 4 MHz). Use Value: 35 ns settling to 0.1% ensures accurate sampling of fast transients; ±50 mA drive eliminates need for external buffers. |
| Programmable Gain Instrumentation Amplifier | Level-Shifting Interface for Mixed-Supply Systems |
|
Use Scenario: Precision strain gauge signal conditioning in industrial PLC analog input modules. IC Role / Device Role / Timing Role: Resistorless in-amp core with selectable gain polarity and DC-coupled offset control. Use Value: ±3 mV max input offset enables sub-0.1% measurement accuracy; symmetrical response avoids polarity-dependent errors. |
Use Scenario: Interfacing ±15 V sensor outputs to 3.3 V FPGA I/O banks in test equipment. IC Role / Device Role / Timing Role: High-voltage level shifter translating differential signals to logic-compatible common-mode levels. Use Value: Wide −12 V to +12.8 V input common-mode range accepts sensor offsets; VP/VN pins set output to 1.65 V for ADC reference. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar difference amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS3091D | Higher slew rate (2000 V/μs) but lower CMRR (45 dB @ 1 MHz); requires external resistors for gain setting. | Better suited for pulse amplification than video; lacks built-in differential clipping and flexible output referencing. | Select THS3091D only when ultrafast transient response outweighs video fidelity requirements. |
| INA134UA | Lower bandwidth (12 MHz), no adjustable output common-mode; fixed G = 1, no polarity reversal. | Targeted at audio line receivers; insufficient for 15 MHz video bandwidth or programmable gain needs. | Choose INA134UA only for cost-sensitive audio applications where 0.06% differential gain is unnecessary. |
Compared with THS3091D and INA134UA, the AD830AR uniquely combines broadcast-grade video performance, resistorless configuration, and user-definable output reference - making it irreplaceable in high-fidelity differential signal chains requiring both speed and precision.
Availability
AD830AR is available at Aetrix Electronics and suitable for broadcast video equipment, high-speed data acquisition systems, and industrial instrumentation requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for AD830AR 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 AD830AR belongs to Analog Devices' precision high-speed amplifier product line, engineered specifically for demanding differential signal conditioning in video, instrumentation, and communications infrastructure where resistorless accuracy and wide common-mode range are essential.
FAQ
What is the maximum differential input voltage the AD830AR can handle without clipping?
The AD830AR has a built-in differential clipping level of ±2.3 V on pins 1 and 2 (X1/X2) when operating at ±15 V supplies. This hard limit prevents output saturation during overdrive events while maintaining linearity up to ±2.0 V differential input. At ±5 V supplies, the clipping threshold reduces to ±2.2 V. Exceeding these values introduces predictable clipping distortion, not device damage.
Can the AD830AR operate with single-supply configurations?
No - the AD830AR requires dual symmetric supplies (±4 V to ±16.5 V) as specified in its absolute maximum ratings and electrical characteristics tables. Its internal active-feedback topology depends on balanced positive and negative rails to bias the GM stages and maintain common-mode range symmetry. Single-supply operation is not supported and would violate operational limits.
How does the AD830AR achieve high CMRR without external matched resistors?
The AD830AR uses a monolithic active-feedback architecture with two precisely matched transconductance (GM) stages. Common-mode rejection arises inherently from the topology's current-summing node and symmetrical layout - eliminating dependence on external resistor matching. This yields 90 dB DC CMRR and 60 dB at 4 MHz, far exceeding discrete op-amp solutions that degrade rapidly with frequency or resistor tolerance.
What is the purpose of the VP and VN pins on the AD830AR?
VP (Pin 6) and VN (Pin 7) define the output common-mode reference voltage for the AD830AR. Unlike conventional op amps, the AD830AR's output is centered around the voltage applied to these pins - enabling direct interfacing with ADC references, logic-level thresholds, or other system-specific common points. They are not power supply pins but precision reference terminals.
Is the AD830AR pin-compatible with other members of the AD830 family, such as AD830J or AD830S?
Yes - all AD830 variants (AD830AR, AD830J, AD830A, AD830S) share identical 8-lead SOIC (RN), PDIP (N), and CERDIP (Q) pinouts and electrical pin functions. The suffix denotes temperature grade and screening level (AR = industrial, J = commercial, A = extended, S = military), not pin or functional differences. PCB layouts designed for AD830AR support drop-in replacement with other variants.
AD830AR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- 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
AD830AR FAQ
1.How can I place an order for AD830AR through Aetrix?
Please submit a Request for Quotation (RFQ) for AD830AR 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 AD830AR reliable?
The price and inventory of AD830AR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD830AR is usually 5 days.
3.What payment methods are accepted for AD830AR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD830AR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD830AR?
AD830AR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD830AR 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 AD830AR?
For technical support, including AD830AR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD830AR requirements.
6.How does Aetrix verify that AD830AR is sourced from the original manufacturer or authorized distributors?
All AD830AR 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 AD830AR meets industry standards.
7.What is the process for return or replacement of AD830AR?
All AD830AR units undergo pre-shipment inspection (PSI). If there is an issue with AD830AR, 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 AD830AR part is unused and in its original packaging.
Return procedure for AD830AR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AD830AR Tags
-
LT6552CS8#PBF
Analog Devices Inc.
-
LT6205IS5#TRPBF
Analog Devices Inc.
-
LT6206IMS8#TRPBF
Analog Devices Inc.
-
LT6552CDD#PBF
Analog Devices Inc.
-
LT6552IS8#PBF
Analog Devices Inc.
-
LT1252CS8#PBF
Analog Devices Inc.
-
AD818ARZ-REEL7
Analog Devices Inc.
-
MAX4310EUA+
Analog Devices Inc./Maxim Integrated
-
AD829ARZ
Analog Devices Inc.
-
AD810ARZ
Analog Devices Inc.
-
MAX4310ESA+
Analog Devices Inc./Maxim Integrated
-
MAX4313ESA+
Analog Devices Inc./Maxim Integrated
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