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Texas Instruments OPA2832ID
- Part No.:
- OPA2832ID
- Manufacturer:
- Texas Instruments
- Category:
- Video Amps and Modules
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
OPA2832ID.pdf
- Description:
- IC AMP VOLTAGE FEEDBACK 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:154
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Product details
Overview
OPA2832ID from Texas Instruments is a dual, low-power, high-speed, fixed-gain operational amplifier optimized for single-supply video line driving and CCD imaging channels. It delivers 75MHz small-signal bandwidth (G = +2), 350V/µs slew rate, and 4.9VPP output swing on +5V supply while operating with only 7.8mA quiescent current per channel.
For engineers reviewing the OPA2832ID datasheet, OPA2832ID pinout, OPA2832ID application, or OPA2832ID equivalent, key selection criteria include rail-to-rail output swing to within 30mV of ground and 60mV of VS, NTSC-compliant differential gain (0.11%) and phase (0.14°), and internal 400Ω feedback resistors enabling stable +2V/V gain without external components.
Technical Context
The OPA2832ID uses complementary common-emitter outputs to achieve rail-to-rail output swing and low distortion across wide signal swings. Its fixed internal RF/RG network (400Ω) sets precise +2V/V or –1V/V gain configurations, eliminating gain-setting resistor tolerance errors and layout sensitivity.
Designed for single-supply operation from +3V to +11V (or ±1.5V to ±5.5V), it features input voltage range extending below ground and up to 1.7V below VS, enabling direct interfacing with CMOS ADCs and video DACs without level-shifting circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-Signal Bandwidth | 75MHz at G = +2, VO ≤ 0.5VPP (VS = +5V) - supports high-definition video and fast data acquisition sampling rates |
| Slew Rate | 350V/µs (typical, VS = +5V) - enables clean reproduction of fast transient signals without slewing-induced distortion |
| Output Swing | ±4.9V on RL = 1kΩ, ±4.6V on RL = 150Ω (VS = ±5V) - delivers full dynamic range into standard video loads |
| Input Voltage Noise | 9.3nV/√Hz (f > 1MHz) - preserves SNR in wideband analog front-ends and ultrasound receive paths |
| Quiescent Current | 7.8mA per channel (VS = +5V) - balances speed and power efficiency for portable consumer electronics |
| NTSC Differential Gain | 0.11% (RL = 150Ω) - meets broadcast video fidelity requirements without post-compensation |
| Input Range | –0.5V to +3.3V (VS = +5V) - accepts ground-referenced inputs and interfaces directly with 3.3V logic |
Pinout & Package
OPA2832ID is packaged in an SO-8 surface-mount package (package code D), with thermal resistance θJA = 125°C/W. The device integrates two identical amplifiers sharing a common power domain.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT1) | Amplifier 1 output | Delivers rail-to-rail output swing; requires no external compensation for unity-gain-stable operation |
| 2 (–IN1) | Inverting input, Amp 1 | Internally connected to 400Ω feedback resistor; used for G = –1 configuration |
| 3 (+IN1) | Non-inverting input, Amp 1 | DC-coupled input with ground-inclusive range; supports single-supply sensor interface |
| 4 (–VS) | Negative supply rail | Accepts ground (single-supply) or negative voltage (dual-supply); must be decoupled locally |
| 5 (+VS) | Positive supply rail | Supports +3V to +11V; internal biasing ensures stable operation across full range |
| 6 (+IN2) | Non-inverting input, Amp 2 | Independent input node; shares same electrical specs as Pin 3 |
| 7 (–IN2) | Inverting input, Amp 2 | Internally connected to second 400Ω feedback resistor; enables independent G = –1 channel |
| 8 (OUT2) | Amplifier 2 output | Electrically identical to Pin 1; supports dual-channel video or stereo analog processing |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Within 30mV of ground and 60mV of VS - eliminates need for level-shifting in single-supply systems |
| Fixed internal gain network | 400Ω RF/RG resistors - ensures ±0.3% gain accuracy at G = +2 without external component drift or layout parasitics |
| Low harmonic distortion | –59dBc 2nd-harmonic at 5MHz, 2VPP, RL = 150Ω - maintains fidelity in composite video and ultrasound beamforming |
| Single-supply video optimization | 0.11% NTSC differential gain / 0.14° differential phase - meets broadcast-grade video line driver specifications |
| Wide supply flexibility | +3V to +11V single or ±1.5V to ±5.5V dual - simplifies power architecture across portable, industrial, and automotive designs |
Applications
| Video Line Driver | CCD Imaging Channel |
|---|---|
Use Scenario: Driving 75Ω coaxial cable in SD/HD composite video systems with embedded sync. IC Role / Device Role / Timing Role: Final-stage buffer amplifier delivering full-swing NTSC/PAL signals with minimal group delay variation. Use Value: Achieves 0.11% differential gain and 0.14° differential phase error - eliminates need for external calibration circuitry. | Use Scenario: Amplifying low-noise analog output from linear CCD sensors in document scanners and machine vision cameras. IC Role / Device Role / Timing Role: Low-noise, high-bandwidth gain stage before 12-bit+ ADC sampling. Use Value: 9.3nV/√Hz input voltage noise and 75MHz bandwidth preserve spatial resolution and dynamic range. |
| Ultrasound Receive Path | Portable Consumer Audio |
Use Scenario: Signal conditioning in low-power handheld ultrasound probes requiring battery-efficient analog front-end gain. IC Role / Device Role / Timing Role: Fixed-gain, low-distortion amplifier in time-gain compensation (TGC) chain. Use Value: 7.8mA/channel quiescent current and 350V/µs slew rate enable real-time B-mode image reconstruction. | Use Scenario: Headphone driver and audio codec output buffer in compact media players and Bluetooth speakers. IC Role / Device Role / Timing Role: Single-supply output stage interfacing DAC to 16Ω–32Ω transducers. Use Value: Rail-to-rail output swing delivers >4.5VPP into 150Ω load - maximizes loudness and headroom from 5V supply. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-gain, high-speed op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2830ID | Adjustable gain via external resistors; higher 100MHz bandwidth at G = +2; 8.5mA IQ | Requires precision external resistors; better suited for non-standard gain requirements | Select when variable gain or >75MHz bandwidth is required; not drop-in compatible due to different feedback topology |
| LMH6629MA | Higher 1.5GHz GBW; 12.5mA IQ; no internal gain resistors; rail-to-rail input/output | Needs full external gain network; optimized for RF/IF rather than video timing fidelity | Choose for ultra-wideband signal chains where NTSC compliance is not required |
Compared with OPA2832ID, OPA2830ID offers design flexibility at the cost of gain accuracy and board space, while LMH6629MA trades video-optimized distortion performance for raw bandwidth-neither provides pin-compatible replacement without schematic or layout revision.
Availability
OPA2832ID is available at Aetrix Electronics and suitable for video line drivers, CCD imaging channels, and low-power ultrasound systems requiring stable component supply, consistent parametric performance across temperature, and long-term industrial availability.
Supply support for OPA2832ID 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
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies with over 50 years of innovation in high-performance signal conditioning.
The OPA2832ID belongs to TI's high-speed operational amplifier product line, engineered specifically for single-supply video, imaging, and portable instrumentation applications demanding low distortion, rail-to-rail output, and fixed-gain stability.
FAQ
What is the maximum operating supply voltage for OPA2832ID?
The OPA2832ID supports a maximum single-supply voltage of +11V and a maximum dual-supply voltage of ±5.5V. Absolute maximum ratings specify ±11V on the supply pins, but functional operation beyond ±5.5V (dual) or +11V (single) is not guaranteed. Operating at rated limits may reduce reliability or parametric performance, so design margins should be maintained per TI's recommended conditions.
Does OPA2832ID require external gain-setting resistors?
No, OPA2832ID does not require external gain-setting resistors. It integrates precision 400Ω internal feedback and gain resistors, enabling stable +2V/V (non-inverting) or –1V/V (inverting) configurations without external components. This eliminates resistor tolerance errors, layout sensitivity, and board space usage associated with discrete gain networks.
Can OPA2832ID drive a 75Ω video load while maintaining NTSC compliance?
Yes, OPA2832ID is characterized for NTSC differential gain (0.11%) and differential phase (0.14°) with RL = 150Ω, and its 75MHz bandwidth and ±4.6V output swing into 150Ω confirm suitability for 75Ω video loads. For direct 75Ω drive, a series 75Ω termination at the output is recommended to match source impedance and minimize reflections.
What is the input voltage range of OPA2832ID when powered from +5V?
When powered from +5V, the OPA2832ID input voltage range extends from –0.5V to +3.3V. This ground-inclusive range allows direct connection to 0V-referenced sensors or DACs, while the upper limit ensures safe operation below the positive rail - critical for interfacing with 3.3V digital logic and avoiding phase reversal or latch-up.
Is thermal performance data available for OPA2832ID in SO-8 package?
Yes, thermal resistance for OPA2832ID in SO-8 (package code D) is specified as θJA = 125°C/W under standard JEDEC JESD51-7 conditions. This value enables accurate junction temperature estimation using TJ = TA + (PD × θJA). At maximum rated ambient temperature (+85°C) and full 11.9mA quiescent current, worst-case power dissipation remains within safe thermal limits for typical PCB layouts.
OPA2832ID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Applications:
- Voltage Feedback
- Output Type:
- Rail-to-Rail
- Number of Circuits:
- 2
- -3db Bandwidth:
- 250 MHz
- Slew Rate:
- 300V/µs
- Current - Supply:
- 8.5 mA
- Current - Output / Channel:
- 82 mA
- Voltage - Supply, Single/Dual (±):
- 2.8V ~ 11V, ±1.4V ~ 5.5V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
OPA2832ID FAQ
1.How can I place an order for OPA2832ID through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA2832ID 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 OPA2832ID reliable?
The price and inventory of OPA2832ID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA2832ID is usually 5 days.
3.What payment methods are accepted for OPA2832ID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA2832ID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA2832ID?
OPA2832ID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA2832ID 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 OPA2832ID?
For technical support, including OPA2832ID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA2832ID requirements.
6.How does Aetrix verify that OPA2832ID is sourced from the original manufacturer or authorized distributors?
All OPA2832ID 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 OPA2832ID meets industry standards.
7.What is the process for return or replacement of OPA2832ID?
All OPA2832ID units undergo pre-shipment inspection (PSI). If there is an issue with OPA2832ID, 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 OPA2832ID part is unused and in its original packaging.
Return procedure for OPA2832ID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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