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Texas Instruments SM73307MM/NOPB
- Part No.:
- SM73307MM/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
SM73307MM/NOPB.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:861
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Product details
Overview
SM73307MM/NOPB from Texas Instruments is a dual, low-noise, rail-to-rail output CMOS-input precision operational amplifier optimized for photovoltaic electronics and high-fidelity sensor interfaces. It delivers ±150 μV max input offset voltage, 5.8 nV/√Hz input voltage noise at 1 kHz, 17 MHz gain bandwidth product, 1.30 mA per-channel supply current, and operates from 1.8 V to 5.5 V across −40°C to +125°C - enabling accurate signal conditioning in solar string monitoring and thermopile-based IR thermometry.
For engineers reviewing the SM73307MM/NOPB datasheet, SM73307MM/NOPB pinout, SM73307MM/NOPB application, or SM73307MM/NOPB equivalent, key selection criteria include its renewable-energy-grade qualification (AEC-Q100 compliant), ultra-low input bias current (100 fA max), rail-to-rail output swing within 25 mV of rails, and stable operation with capacitive loads up to 120 pF - critical for transimpedance amplifiers and single-supply portable instrumentation.
Technical Context
The SM73307MM/NOPB employs TI's VIP50 CMOS process to achieve sub-100 fA input bias current and 5.8 nV/√Hz input-referred voltage noise - essential for high-impedance photodiode and thermopile front-ends. Its 17 MHz GBW supports closed-loop gains ≥100 at 100 kHz while maintaining <0.001% THD+N at 1 kHz.
It features a rail-to-rail output stage capable of sourcing up to 47 mA at 1.8 V and sinking 23 mA at 5 V, with input common-mode range extending 300 mV below ground - enabling true single-supply operation. The device integrates enhanced manufacturing controls for renewable energy and automotive applications, meeting AEC-Q100 Grade 1 requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 17 MHz - enables stable unity-gain buffer and high closed-loop gain (>100) at >100 kHz for wideband sensor signal conditioning. |
| Input Offset Voltage (max) | ±150 μV - ensures DC accuracy in precision thermocouple and pH electrode buffers without trimming. |
| Input Voltage Noise Density | 5.8 nV/√Hz @ 1 kHz - preserves signal integrity in low-level photodiode current-to-voltage conversion. |
| Supply Current (per channel) | 1.30 mA - supports battery-powered portable instrumentation with extended runtime. |
| Supply Voltage Range | 1.8 V to 5.5 V - compatible with Li-ion, coin-cell, and low-voltage microcontroller I/O domains. |
| Operating Temperature Range | −40°C to +125°C - qualified for under-hood automotive and outdoor photovoltaic inverter monitoring. |
| Output Swing (from rail) | ≤25 mV - maximizes dynamic range in 3.3 V and lower single-supply systems. |
Pinout & Package
SM73307MM/NOPB is housed in an 8-pin VSSOP package (Package Code DGK), measuring 3.0 mm × 3.0 mm × 0.9 mm with 0.5 mm pitch - optimized for space-constrained PCB layouts in solar microinverters and wearable health sensors.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: +IN B | Non-inverting input of Channel B | Accepts high-impedance sensor signals (e.g., thermopile output); referenced to V− for single-supply operation. |
| 2: OUT B | Output of Channel B | Rail-to-rail swing (≤25 mV from rails) enables full utilization of ADC input range in 3.3 V systems. |
| 3: OUT A | Output of Channel A | Independent output path allows dual-sensor buffering or active filter stages without crosstalk. |
| 4: −IN A | Inverting input of Channel A | Used in transimpedance configuration with photodiode; low input bias current (100 fA) minimizes dark-current error. |
| 5: +IN A | Non-inverting input of Channel A | Supports differential sensing or reference-biasing in precision rectifier topologies. |
| 6: V− | Negative supply rail | Ground reference for single-supply operation; input common-mode extends 300 mV below this pin. |
| 7: V+ | Positive supply rail | Accepts 1.8–5.5 V; internal regulation ensures stable biasing across voltage range. |
| 8: −IN B | Inverting input of Channel B | Enables dual-channel feedback networks (e.g., matched gain-setting resistors for differential amplification). |
Key Features
| Feature | Design Value |
|---|---|
| Renewable Energy Grade | Qualified per AEC-Q100 Grade 1 and TI's enhanced photovoltaic reliability standards - validated for 25+ year field life in solar string monitors. |
| Ultra-Low Input Bias Current | 100 fA max - reduces leakage-induced offset in high-impedance pH electrodes and pyroelectric sensors. |
| Capacitive Load Drive | Stable with ≤120 pF direct load - eliminates need for isolation resistors in many photodiode TIA designs. |
| Low THD+N | 0.001% @ 1 kHz - preserves harmonic content in audio-grade active filters and precision rectifiers. |
| Wide Common-Mode Range | Extends 300 mV below V− - enables true single-supply operation with ground-referenced inputs. |
Applications
| Photovoltaic String Monitoring | Transimpedance Amplification |
|---|---|
Use Scenario: Measuring microamp-level current from series-connected solar panels to detect shading or cell mismatch. IC Role / Device Role / Timing Role: Dual-channel precision op amp configured as current-sense amplifier and reference buffer. Use Value: ±150 μV offset and 5.8 nV/√Hz noise enable detection of <1% current deviation across 1000 V strings. | Use Scenario: Converting photocurrent from fiber-optic receivers or barcode scanner diodes into clean voltage signals. IC Role / Device Role / Timing Role: Single-channel transimpedance amplifier with 17 MHz GBW supporting >1 MHz signal bandwidth. Use Value: 100 fA input bias current prevents diode leakage from dominating small-signal response. |
| Thermopile-Based IR Thermometry | Precision Active Filters |
Use Scenario: Amplifying µV-level thermopile outputs in non-contact temperature sensors for HVAC or medical devices. IC Role / Device Role / Timing Role: Low-noise, low-drift dual op amp used in high-gain instrumentation amplifier front-end. Use Value: −40°C to +125°C operation and ±4 μV/°C offset drift ensure calibration stability over environmental extremes. | Use Scenario: Implementing 2nd-order Sallen-Key or MFB filters in portable ECG or audio signal chains. IC Role / Device Role / Timing Role: Dual op amp providing gain, filtering, and rail-to-rail output drive into ADC inputs. Use Value: 17 MHz GBW and 0.001% THD+N support anti-aliasing filters with <0.01 dB passband ripple up to 100 kHz. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2333AIDR | Zero-drift architecture; 0.1 μV/°C offset drift vs. SM73307MM/NOPB's ±4 μV/°C; higher quiescent current (17 μA vs. 1.3 mA per channel). | Better DC stability for multi-decade integrators; less suitable for wideband (>100 kHz) sensor conditioning due to chopper artifacts. | Select OPA2333AIDR when ultra-low drift dominates over noise and bandwidth requirements. |
| TLV2772IDR | Lower GBW (10 MHz); higher input noise (17 nV/√Hz); wider supply range (2.7–16 V); not AEC-Q100 qualified. | Suitable for general-purpose industrial analog front-ends but lacks renewable-energy qualification and photovoltaic-specific reliability screening. | Select TLV2772IDR only for cost-sensitive, non-automotive/non-solar applications where 17 MHz GBW is unnecessary. |
Compared with OPA2333AIDR and TLV2772IDR, SM73307MM/NOPB uniquely balances 17 MHz bandwidth, 5.8 nV/√Hz noise, AEC-Q100 Grade 1 qualification, and 100 fA input bias - making it the only choice for high-speed, high-reliability photovoltaic and automotive sensor interfaces requiring simultaneous AC fidelity and DC accuracy.
Availability
SM73307MM/NOPB is available at Aetrix Electronics and suitable for photovoltaic string monitoring, thermopile-based IR thermometry, transimpedance amplification, and precision active filters requiring stable component supply across automotive, industrial, and renewable energy programs.
Supply support for SM73307MM/NOPB 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-reliability op amp design for automotive, industrial, and energy markets.
The SM73307MM/NOPB belongs to TI's Renewable Energy Grade precision amplifier family, engineered specifically for photovoltaic monitoring, solar inverter control, and AEC-Q100-compliant automotive sensor interfaces demanding long-term stability and low-noise performance.
FAQ
What is the maximum capacitive load the SM73307MM/NOPB can drive without external compensation?
The SM73307MM/NOPB is stable with capacitive loads up to 120 pF directly on its output - verified per TI's application note SNOSB88B. This eliminates the need for isolation resistors in many photodiode transimpedance amplifier designs. For loads exceeding 120 pF, a series isolation resistor (RISO) must be added between the output and the capacitor to maintain phase margin above 45°.
Does the SM73307MM/NOPB support true single-supply operation with inputs referenced to ground?
Yes. The SM73307MM/NOPB's input common-mode voltage range extends 300 mV below V−, allowing ground-referenced inputs when V− = 0 V. Its rail-to-rail output swings within 25 mV of both rails, enabling full dynamic range utilization in 1.8 V to 5.5 V single-supply systems - confirmed in the 5V Electrical Characteristics table and Figure 8–10 of SNOSB88B.
Is the SM73307MM/NOPB qualified for automotive applications?
Yes. The SM73307MM/NOPB is explicitly qualified to AEC-Q100 Grade 1 (−40°C to +125°C) and carries "Renewable Energy Grade" certification, including enhanced defect detection and reliability screening per photovoltaic and automotive market requirements - stated in the Applications and Features sections of SNOSB88B.
What is the typical input bias current of the SM73307MM/NOPB at 125°C?
The SM73307MM/NOPB has a maximum input bias current of 100 fA across −40°C to +125°C, with typical values of 0.1 pA at 25°C and 1 pA at 125°C per the 5V Electrical Characteristics table. This ultra-low bias enables high-impedance sensor interfacing (e.g., pH electrodes, thermopiles) without significant leakage-induced error even at elevated temperatures.
Can the SM73307MM/NOPB be used in transimpedance amplifier configurations for photodiode current sensing?
Yes. The SM73307MM/NOPB is explicitly recommended for transimpedance amplifiers in its Applications section and Figure 50 of SNOSB88B. Its 17 MHz GBW, 100 fA input bias current, 5.8 nV/√Hz voltage noise, and stability with capacitive loads make it ideal for high-bandwidth photodiode current-to-voltage conversion in fiber-optic receivers and barcode scanners.
SM73307MM/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 11.5V/µs
- Gain Bandwidth Product:
- 17 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.1 pA
- Voltage - Input Offset:
- 10 µV
- Current - Supply:
- 1.3mA (x2 Channels)
- Current - Output / Channel:
- 66 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-VSSOP
SM73307MM/NOPB FAQ
1.How can I place an order for SM73307MM/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for SM73307MM/NOPB 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 SM73307MM/NOPB reliable?
The price and inventory of SM73307MM/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SM73307MM/NOPB is usually 5 days.
3.What payment methods are accepted for SM73307MM/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SM73307MM/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SM73307MM/NOPB?
SM73307MM/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SM73307MM/NOPB 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 SM73307MM/NOPB?
For technical support, including SM73307MM/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SM73307MM/NOPB requirements.
6.How does Aetrix verify that SM73307MM/NOPB is sourced from the original manufacturer or authorized distributors?
All SM73307MM/NOPB 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 SM73307MM/NOPB meets industry standards.
7.What is the process for return or replacement of SM73307MM/NOPB?
All SM73307MM/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with SM73307MM/NOPB, 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 SM73307MM/NOPB part is unused and in its original packaging.
Return procedure for SM73307MM/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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