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Texas Instruments OPA2607SIRUGR
- Part No.:
- OPA2607SIRUGR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 10-XFQFN
- Datasheet:
-
OPA2607SIRUGR.pdf
- Description:
- IC OPAMP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
OPA2607SIRUGR from Texas Instruments is a dual-channel, decompensated CMOS operational amplifier optimized for cost-sensitive, low-power, high-bandwidth applications. It delivers 50-MHz gain-bandwidth product, 3.8 nV/√Hz input voltage noise, rail-to-rail output swing within 8 mV of supply rails, and operates from 2.2 V to 5.5 V. It is used in current-sensing circuits, ultrasonic flow meters, and handheld test equipment where precision, low quiescent current (900 µA per channel), and power-down capability (<1 µA) are critical.
For engineers reviewing the OPA2607SIRUGR datasheet, OPA2607SIRUGR pinout, OPA2607SIRUGR application, or OPA2607SIRUGR equivalent, key selection criteria include minimum stable gain (6 V/V), input offset drift (±1.5 µV/°C max), power-down control per channel, thermal performance in X2QFN-10, and compatibility with high-impedance sensors like piezoelectric transducers.
Technical Context
The OPA2607SIRUGR uses a decompensated CMOS architecture requiring minimum closed-loop gain of 6 V/V for stability, enabling high GBW at low quiescent current. Its rail-to-rail output stage supports full-scale ADC interfacing in low-voltage systems (2.2 V–5.5 V), while its 10-pin X2QFN package provides compact layout and thermal efficiency (RθJA = 152 °C/W).
Each channel features independent power-down pins (PD1/PD2), allowing selective channel disablement with <1 µA shutdown current per amplifier. Input bias current is ≤10 pA, supporting high-impedance sensor interfaces; input offset voltage is 120 µV typical with ±1.5 µV/°C drift over –40°C to +125°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 50 MHz - enables stable amplification up to ~8 MHz at G = 6 V/V, suitable for ultrasonic signal conditioning. |
| Quiescent Current per Channel | 900 µA typical - allows dual-channel operation under 2 mA total, ideal for battery-powered handheld instruments. |
| Input Voltage Noise Density | 3.8 nV/√Hz at 10 kHz - ensures low-noise signal integrity in transimpedance and current-sensing stages. |
| Rail-to-Rail Output Swing | Within 8 mV of supply rails - maximizes dynamic range when driving 12-bit+ ADCs in 3.3 V or lower systems. |
| Power-Down Current per Channel | <1 µA maximum - enables microamp-level sleep mode for one or both amplifiers without PCB redesign. |
| Minimum Stable Gain | 6 V/V - requires external feedback network design ≥6×; not unity-gain stable, preventing instability in high-speed configurations. |
| Supply Voltage Range | 2.2 V to 5.5 V - supports single-supply operation down to 2.2 V, compatible with Li-ion, USB, and industrial 3.3 V rails. |
Pinout & Package
OPA2607SIRUGR is housed in a 10-pin X2QFN (RUG) package measuring 1.50 mm × 2.00 mm with wettable flanks, optimized for space-constrained PCB layouts and automated optical inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT1 | Output of channel 1 - rail-to-rail capable, drives loads up to ±20 mA; connects directly to ADC input or next-stage buffer. |
| 2 | IN1− | Inverting input of channel 1 - high-impedance CMOS node (≤10 pA bias); used in inverting configurations or differential sensing. |
| 3 | IN1+ | Noninverting input of channel 1 - same high-Z interface; paired with IN1− for precision instrumentation or transimpedance feedback. |
| 4 | PD1 | Power-down control for channel 1 - logic-low disables amplifier (IQ < 1 µA); floating or logic-high enables operation. |
| 5 | VS− | Negative supply or ground reference - common return for both channels; must be low-impedance for noise immunity. |
| 6 | PD2 | Power-down control for channel 2 - independent of PD1; enables flexible power sequencing in multi-channel sensor front-ends. |
| 7 | IN2− | Inverting input of channel 2 - electrically isolated from channel 1; supports dual-sensor or differential pair processing. |
| 8 | IN2+ | Noninverting input of channel 2 - matched input characteristics to IN1+/IN1−; maintains channel-to-channel crosstalk < −114 dBc @ 100 kHz. |
| 9 | OUT2 | Output of channel 2 - identical AC/DC specs to OUT1; supports simultaneous dual-path signal conditioning without performance trade-off. |
| 10 | VS+ | Positive supply - accepts 2.2 V–5.5 V; decoupling capacitor (≥100 nF) required adjacent to pin for high-frequency stability. |
Key Features
| Feature | Design Value |
|---|---|
| Decompensated architecture | Enables 50-MHz GBW at only 900 µA per channel - achieves bandwidth-per-power ratio superior to unity-gain-stable alternatives. |
| Rail-to-rail output | Swings to within 8 mV of VS+ and VS− - preserves >99% of full-scale ADC range in 3.3 V systems, reducing quantization error. |
| Independent per-channel power-down | PD1 and PD2 pins allow selective shutdown - cuts current by >99.9% per disabled channel, extending battery life in intermittent-sampling designs. |
| Low input bias current (≤10 pA) | Minimizes voltage error across high-value feedback resistors (>1 MΩ) - essential for photodiode transimpedance amplifiers and PM sensor front-ends. |
| Wide temperature range | Specified from –40°C to +125°C - supports industrial, automotive under-hood, and outdoor equipment deployment without derating. |
Applications
| Current-Sensing | Ultrasonic Flow Meters |
|---|---|
Use Scenario: High-side current monitoring in garden tool motor drivers using shunt resistor and difference amplifier topology. IC Role / Device Role / Timing Role: Dual-channel OPA2607SIRUGR configures one amp as precision difference amplifier (IN1±, OUT1), second as reference buffer (IN2+, OUT2) for VREF. Use Value: 120 µV offset and ±1.5 µV/°C drift ensure sub-1% current measurement accuracy across temperature; RRO output fully utilizes 12-bit ADC range. |
Use Scenario: Signal conditioning of echo pulses from piezoelectric transducers in portable water flow meters. IC Role / Device Role / Timing Role: First channel amplifies low-amplitude, high-impedance transducer output; second channel buffers filtered signal before ADC sampling. Use Value: 3.8 nV/√Hz noise density and 50-MHz GBW preserve pulse fidelity and time-of-flight resolution; CMOS inputs avoid loading transducer capacitance. |
| Handheld Test Equipment | PM2.5 Particle Sensors |
Use Scenario: Battery-powered multimeter front-end with autoranging voltage/current measurement paths. IC Role / Device Role / Timing Role: One OPA2607SIRUGR channel conditions voltage signals; other handles current shunt amplification, both dynamically powered via PD pins. Use Value: Dual independent power-down reduces system standby current to µA level; 2.2 V operation extends runtime on single-cell Li-ion batteries. |
Use Scenario: Amplifying weak current signals from laser-scattering photodiodes in air quality monitors. IC Role / Device Role / Timing Role: Configured as transimpedance amplifier (TIA) with high-value feedback resistor; second channel filters and offsets output. Use Value: ≤10 pA input bias current prevents TIA gain error; low 1/f noise corner (1 kHz) ensures stable DC baseline for ppm-level particle concentration reporting. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, decompensated op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2607IDR | SOIC-8 package (4.90 mm × 3.91 mm); no power-down pins; fixed enable. | Lacks per-channel shutdown; larger footprint; higher RθJA (131.1 °C/W) limits high-density thermal design. | Select when board space permits and independent channel power control is unnecessary. |
| OPA2365AIDR | Unity-gain stable; 50-MHz GBW; 4.5 nV/√Hz noise; 1.6 mA IQ per channel; SOIC-8. | Higher power consumption; no power-down; wider input offset drift (±2.5 µV/°C); unsuitable for battery-critical designs. | Select only if unity-gain operation is mandatory and power budget allows 1.6× higher quiescent current. |
Compared with OPA2607IDR and OPA2365AIDR, the OPA2607SIRUGR uniquely combines 10-pin X2QFN miniaturization, independent power-down per channel, and 900 µA/channel quiescent current-enabling compact, thermally efficient, and battery-optimized dual-amplifier signal chains not achievable with either alternative.
Availability
OPA2607SIRUGR is available at Aetrix Electronics and suitable for current-sensing, ultrasonic flow metering, and handheld test equipment requiring stable component supply, long-term manufacturability, and guaranteed TI production status.
Supply support for OPA2607SIRUGR 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 digital signal technologies, with decades of op-amp innovation and broad industrial qualification.
The OPAx607 family was designed for cost-sensitive, high-performance analog signal chains in portable and industrial systems-balancing 50-MHz bandwidth, ultra-low noise, rail-to-rail output, and micropower operation without sacrificing precision.
FAQ
What is the minimum stable gain requirement for OPA2607SIRUGR?
The OPA2607SIRUGR is decompensated and requires a minimum closed-loop gain of 6 V/V for stability. Operating below this gain risks oscillation or peaking. This is confirmed in the device's Electrical Characteristics table and Functional Block Diagram section of the SBOS981J datasheet. Designers must ensure feedback networks maintain ≥6× gain; the OPA2607SIRUGR is not unity-gain stable.
Does OPA2607SIRUGR support true single-supply operation?
Yes. The OPA2607SIRUGR supports true single-supply operation from 2.2 V to 5.5 V, with input common-mode range extending to the negative rail (VS−) and rail-to-rail output swing within 8 mV of both supply rails. This enables direct interfacing with unipolar ADCs and simplifies biasing in 3.3 V or 2.2 V systems without level-shifting circuitry.
How does the power-down feature work on OPA2607SIRUGR?
OPA2607SIRUGR has two independent power-down pins: PD1 (pin 4) controls channel 1, and PD2 (pin 6) controls channel 2. Driving either pin low disables its respective amplifier, reducing quiescent current to <1 µA. Pins may be left floating (default enabled) or tied high. The feature is verified in the Power Down Mode section and Electrical Characteristics table of the SBOS981J datasheet.
What is the thermal performance of the RUG package in OPA2607SIRUGR?
The OPA2607SIRUGR in 10-pin X2QFN (RUG) package has a junction-to-ambient thermal resistance (RθJA) of 152 °C/W, significantly lower than SOIC-8 (131.1 °C/W) due to its exposed thermal pad and compact footprint. This enables higher power density in space-constrained layouts while maintaining safe junction temperatures under continuous 2.2–5.5 V operation.
Can OPA2607SIRUGR drive capacitive loads without instability?
Yes - the OPA2607SIRUGR maintains stability with capacitive loads up to 100 pF when properly compensated. Figure 7-19 (Overshoot vs Capacitive Load) and Figure 7-18 (Recommended Isolation Resistor vs CLOAD) in the SBOS981J datasheet provide design guidance. For loads >100 pF, an isolation resistor (RISO) in series with the output is recommended to preserve phase margin.
OPA2607SIRUGR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 10-XFQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- Push-Pull
- Slew Rate:
- 24V/µs
- Gain Bandwidth Product:
- 50 MHz
- -3db Bandwidth:
- 9 MHz
- Current - Input Bias:
- 3 pA
- Voltage - Input Offset:
- 120 µV
- Current - Supply:
- 900µA (x2 Channels)
- Current - Output / Channel:
- 60 mA
- Voltage - Supply Span (Min):
- 2.2 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-X2QFN (2x1.5)
OPA2607SIRUGR FAQ
1.How can I place an order for OPA2607SIRUGR through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA2607SIRUGR 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 OPA2607SIRUGR reliable?
The price and inventory of OPA2607SIRUGR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA2607SIRUGR is usually 5 days.
3.What payment methods are accepted for OPA2607SIRUGR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA2607SIRUGR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA2607SIRUGR?
OPA2607SIRUGR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA2607SIRUGR 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 OPA2607SIRUGR?
For technical support, including OPA2607SIRUGR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA2607SIRUGR requirements.
6.How does Aetrix verify that OPA2607SIRUGR is sourced from the original manufacturer or authorized distributors?
All OPA2607SIRUGR 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 OPA2607SIRUGR meets industry standards.
7.What is the process for return or replacement of OPA2607SIRUGR?
All OPA2607SIRUGR units undergo pre-shipment inspection (PSI). If there is an issue with OPA2607SIRUGR, 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 OPA2607SIRUGR part is unused and in its original packaging.
Return procedure for OPA2607SIRUGR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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