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Texas Instruments OPA2674ID
- Part No.:
- OPA2674ID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
OPA2674ID.pdf
- Description:
- IC OPAMP CFA 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:207
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Product details
Overview
OPA2674ID from Texas Instruments is a dual wideband current-feedback operational amplifier optimized for high-output-current line driver applications. It delivers 500mA output current, 220MHz bandwidth at G = +4, 2000V/µs slew rate, and ±5.0V output swing into 100Ω on ±6V supplies - enabling ADSL/VDSL upstream drivers, broadband video line drivers, and matched I/Q channel amplifiers.
For engineers reviewing the OPA2674ID datasheet, OPA2674ID pinout, OPA2674ID application, or OPA2674ID equivalent, this page provides verified package mapping (SO-8), confirmed power control limitations (not available in SO-8), validated harmonic distortion performance (−72dBc 2nd-harmonic @ 5MHz), and exact thermal resistance (125°C/W JA), supporting rapid evaluation against xDSL CPE, cable modem, and high-capacitive-load video design requirements.
Technical Context
The OPA2674ID uses a current-feedback architecture with transimpedance gain of 135kΩ (min) and supports stable operation at unity gain (250MHz) and G = +4 (220MHz). Its differential input stage enables low input bias current (±10µA max) and high CMRR (55dB min), while the output stage sustains ±500mA drive into 100Ω with <0.1%/0.1° dG/dP nonlinearity for NTSC video loads.
Unlike the SO-14 variant (OPA2674I-14D), the OPA2674ID lacks logic-controlled power modes - it operates only at full quiescent current (18mA total) and does not support A0/A1 power cutback, idle, or shutdown states. Its SO-8 package has no NC pins and omits power control terminals.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-Signal Bandwidth (G = +4) | 220MHz min at ±6V - supports full-rate ADSL upstream and VDSL line driver signal integrity up to 160MHz over temperature. |
| Slew Rate | 2000V/µs min - enables clean 5VPP large-signal response without slewing distortion in high-speed line drivers. |
| Output Current | ±500mA min into 100Ω - drives demanding twisted-pair loads (e.g., 82.5Ω + 2kΩ termination) with >380mA guaranteed at +25°C. |
| Harmonic Distortion (2nd, 5MHz) | −72dBc max into 100Ω - meets ADSL spectral mask requirements for upstream transmission at peak power levels. |
| Supply Voltage Range | ±6V specified; supports +5V single-supply operation - enables compatibility with legacy 5V systems and modern +12V rail-derived ±6V supplies. |
| Quiescent Current | 18mA max (both channels) at ±6V - balances high output capability with moderate power consumption for continuous-line-driver operation. |
| Input Voltage Noise | 2.0nV/√Hz typ above 1MHz - preserves SNR in wideband receiver front-ends and I/Q demodulator paths. |
Pinout & Package
OPA2674ID is housed in an 8-pin SOIC (SO-8) package with standard dual op amp pinout and no power control logic inputs. Thermal resistance is 125°C/W (Junction-to-Ambient).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input A (−In A) | Differential input node for Channel A; requires matched layout to minimize crosstalk (<−92dB @ 5MHz). |
| 2 | Noninverting Input A (+In A) | High-impedance input (250kΩ || 2pF); common-mode range extends to ±4.5V on ±6V supplies. |
| 3 | Output A (Out A) | High-current output capable of ±500mA; short-circuit protected to ±800mA; closed-loop impedance 0.01Ω @ ≤100kHz. |
| 4 | −VS | Negative supply rail; must be decoupled locally with 0.1µF ceramic capacitor near pin. |
| 5 | +VS | Positive supply rail; accepts ±6V or +5V single supply; absolute max ±6.5V. |
| 6 | Noninverting Input B (+In B) | Independent input for Channel B; identical specs to Pin 2; supports matched I/Q channel implementation. |
| 7 | Inverting Input B (−In B) | Independent input for Channel B; identical specs to Pin 1; enables differential gain configurations. |
| 8 | Output B (Out B) | Second high-current output; fully independent channel with same drive capability and distortion performance as Out A. |
Key Features
| Feature | Design Value |
|---|---|
| Unity-gain stability | 250MHz small-signal bandwidth at G = +1 - eliminates need for external compensation in buffer and gain-of-one configurations. |
| High output voltage swing | ±5.0V into 100Ω load - delivers 10VPP differential output across twisted pair, meeting xDSL line driver amplitude requirements. |
| Low distortion at high frequency | −81dBc 3rd-harmonic @ 5MHz, RL ≥ 500Ω - ensures clean spectral purity for multi-tone upstream transmission in ADSL2+. |
| NTSC video line driving | 0.03% differential gain / 0.01° differential phase error into 150Ω - supports broadcast-quality analog video distribution across 10 parallel 15Ω loads. |
| Robust ESD protection | 2000V HBM (pins 2 & 6), 1000V CDM - withstands handling and board-level ESD events in industrial and CPE manufacturing environments. |
Applications
| ADSL Upstream Driver | Cable Modem Line Driver |
|---|---|
Use Scenario: Driving twisted-pair telephone lines in customer premises equipment (CPE) for ADSL upstream transmission at full rate (1.104Mbps). IC Role / Device Role / Timing Role: Final-stage line driver delivering >380mA into 82.5Ω + 2kΩ hybrid network with <−85dBc distortion at peak upstream power. Use Value: Meets ITU-T G.992.1 spectral mask compliance with guaranteed output current margin across −40°C to +85°C. | Use Scenario: Amplifying DOCSIS-compliant RF signals in cable modem upstream path before RF power amplifier stage. IC Role / Device Role / Timing Role: High-linearity, wideband driver providing 220MHz bandwidth and 2000V/µs slew rate for 5–65MHz upstream band. Use Value: Enables clean 64-QAM upstream modulation with <−72dBc 2nd-harmonic distortion into 75Ω coaxial interface. |
| Matched I/Q Channel Amplifier | Broadband Video Distribution |
Use Scenario: Simultaneous amplification of in-phase and quadrature baseband signals in software-defined radio and DSL transceivers. IC Role / Device Role / Timing Role: Dual-channel driver maintaining <−92dB channel-to-channel crosstalk and matched gain/phase response across 0–100MHz. Use Value: Preserves I/Q orthogonality for accurate demodulation; eliminates image rejection degradation in QAM receivers. | Use Scenario: Driving multiple parallel 75Ω video loads (e.g., security camera matrix switchers or broadcast monitor walls). IC Role / Device Role / Timing Role: High-current video line driver delivering 10VPP into 15Ω per load with 0.03% dG/0.01° dP nonlinearity. Use Value: Supports up to 10 simultaneous composite video outputs without gain or timing skew between channels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-output-current, wideband op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2677ID | Single-channel, 250MHz G = +1 bandwidth, 400mA output, SO-8 package - no power control, same supply range. | Lacks dual-channel integration; requires two devices for I/Q or dual-line applications. | Select when space-constrained designs need single-channel optimization or when dual-channel redundancy is unnecessary. |
| THS6042CD | Dual-channel, ±15V operation, 180MHz bandwidth, 300mA output, SO-14 package - higher supply headroom but lower current and bandwidth. | Designed for professional video; lacks ADSL-optimized distortion specs and 500mA drive capability. | Select for ±12V/±15V video systems requiring lower THD at 10MHz but not needing xDSL-grade output current or 220MHz bandwidth. |
Compared with OPA2674ID, OPA2677ID offers identical SO-8 footprint and supply compatibility but halves channel count and output current, while THS6042CD supports higher supply voltages but trades 30% bandwidth and 40% output current for legacy video linearity - making OPA2674ID uniquely suited for dual-channel, +12V-derived, high-current xDSL line drivers.
Availability
OPA2674ID is available at Aetrix Electronics and suitable for ADSL/VDSL line driver designs, broadband video distribution systems, and matched I/Q channel amplifiers requiring stable component supply, full production traceability, and long-term lifecycle support.
Supply support for OPA2674ID 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 and embedded processing technologies, with decades of expertise in high-performance op amps and communications infrastructure ICs.
The OPA2674ID belongs to TI's OPAx674 family of wideband current-feedback op amps, engineered specifically for high-output-current line driver applications in xDSL, cable modem, and broadband video systems where distortion, bandwidth, and drive strength are critical.
FAQ
What is the maximum output current specification for OPA2674ID?
The OPA2674ID guarantees ±500mA minimum output current into 100Ω at +25°C on ±6V supplies, with ≥±380mA maintained across the full −40°C to +85°C operating range. This is measured with VO = 0 and reflects sourcing/sinking capability under DC and large-signal AC conditions - critical for driving twisted-pair hybrids in ADSL CPE applications. The OPA2674ID also features ±800mA short-circuit current limiting.
Does OPA2674ID support power control modes like the SO-14 version?
No, the OPA2674ID in SO-8 package does not support power control. Unlike the OPA2674I-14D (SO-14), it lacks A0 and A1 logic inputs and operates exclusively at full quiescent current (18mA total). Power cutback, idle, and shutdown states are unavailable. All OPA2674ID units deliver fixed full-power performance - simplifying design but eliminating dynamic power scaling.
What is the small-signal bandwidth of OPA2674ID at G = +4 and ±6V supply?
The OPA2674ID achieves 220MHz minimum small-signal bandwidth at G = +4, RF = 402Ω, and RL = 100Ω on ±6V supplies at +25°C, with 160MHz minimum maintained across −40°C to +85°C. This bandwidth supports full-rate ADSL upstream and emerging VDSL line driver requirements, and is validated in Figure 1 of the SBOS270C datasheet.
Can OPA2674ID operate from a single +5V supply?
Yes, the OPA2674ID is fully specified for +5V single-supply operation. At +5V, it delivers 168MHz minimum bandwidth (G = +4), ±260mA output current, and 900V/µs minimum slew rate. Input common-mode range extends from 1.3V to 3.7V, and output swings from 1.0V to 3.9V into 100Ω - enabling use in legacy 5V systems without level-shifting circuitry.
What harmonic distortion performance does OPA2674ID achieve in ADSL upstream applications?
The OPA2674ID achieves −72dBc second-harmonic and −81dBc third-harmonic distortion at 5MHz, VO = 2VPP, RL = 100Ω - meeting stringent ADSL upstream spectral mask requirements. In differential driver configurations, it delivers <−85dBc distortion at full upstream power levels, as verified in the SBOS270C datasheet's ADSL test circuit and typical characteristics plots.
OPA2674ID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- Current Feedback
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 2000V/µs
- Gain Bandwidth Product:
- 250 MHz
- -3db Bandwidth:
- 260 MHz
- Current - Input Bias:
- 10 µA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 18mA (x2 Channels)
- Current - Output / Channel:
- 500 mA
- Voltage - Supply Span (Min):
- 5 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
OPA2674ID FAQ
1.How can I place an order for OPA2674ID through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA2674ID 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 OPA2674ID reliable?
The price and inventory of OPA2674ID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA2674ID is usually 5 days.
3.What payment methods are accepted for OPA2674ID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA2674ID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA2674ID?
OPA2674ID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA2674ID 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 OPA2674ID?
For technical support, including OPA2674ID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA2674ID requirements.
6.How does Aetrix verify that OPA2674ID is sourced from the original manufacturer or authorized distributors?
All OPA2674ID 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 OPA2674ID meets industry standards.
7.What is the process for return or replacement of OPA2674ID?
All OPA2674ID units undergo pre-shipment inspection (PSI). If there is an issue with OPA2674ID, 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 OPA2674ID part is unused and in its original packaging.
Return procedure for OPA2674ID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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